e446bd97230671b6e38682ec9f3da7527c18dbd555efc7f27a52d144cf54edcc

Analysis

max time kernel
102s
max time network
154s
platform
windows7_x64
resource
win7v20201028
submitted
18-11-2020 16:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Archive.zip__ccacaxs2tbz2t6ob3e.exe

Score

8^/10

discovery persistence spyware stealer

Malware Config

Signatures

Creates new service(s) 1 TTPs
persistence

New Service
T1050
Downloads MZ/PE file

Executes dropped EXE 7 IoCs

Processes:

WCInstaller.exeWebCompanionInstaller.exeWebCompanion.exeLavasoft.WCAssistant.WinService.exeAd-Aware Web Companion.exeWebCompanion.exe99E4.tmp.exe

pid	process
728	WCInstaller.exe
1632	WebCompanionInstaller.exe
908	WebCompanion.exe
1320	Lavasoft.WCAssistant.WinService.exe
2252	Ad-Aware Web Companion.exe
2384	WebCompanion.exe
788	99E4.tmp.exe

Loads dropped DLL 64 IoCs

Processes:

Archive.zip__ccacaxs2tbz2t6ob3e.exeWCInstaller.exeWebCompanionInstaller.exeWebCompanion.exeWebCompanion.exe

pid	process
784	Archive.zip__ccacaxs2tbz2t6ob3e.exe
728	WCInstaller.exe
1632	WebCompanionInstaller.exe
1632	WebCompanionInstaller.exe
1632	WebCompanionInstaller.exe
1632	WebCompanionInstaller.exe
1632	WebCompanionInstaller.exe
1632	WebCompanionInstaller.exe
1632	WebCompanionInstaller.exe
1632	WebCompanionInstaller.exe
1632	WebCompanionInstaller.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
2384	WebCompanion.exe
2384	WebCompanion.exe
2384	WebCompanion.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WebCompanion.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\Web Companion = "C:\\Program Files (x86)\\Lavasoft\\Web Companion\\Application\\WebCompanion.exe --minimize "	WebCompanion.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

12 ip-api.com

flow	ioc
12	ip-api.com

Drops file in System32 directory 4 IoCs

Processes:

Lavasoft.WCAssistant.WinService.exe

description	ioc	process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C46E7B0F942663A1EDC8D9D6D7869173_6043FC604A395E1485AF7AC16D16B7CE	Lavasoft.WCAssistant.WinService.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C46E7B0F942663A1EDC8D9D6D7869173_6043FC604A395E1485AF7AC16D16B7CE	Lavasoft.WCAssistant.WinService.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EA618097E393409AFA316F0F87E2C202_28DD3630238B51427119DAF9326B45F2	Lavasoft.WCAssistant.WinService.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EA618097E393409AFA316F0F87E2C202_28DD3630238B51427119DAF9326B45F2	Lavasoft.WCAssistant.WinService.exe

Drops file in Program Files directory 64 IoCs

Processes:

WebCompanionInstaller.exe

description	ioc	process
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Omni.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\log4net.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\WcCommunication.exe	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebcompaionReimageIcon.ico	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Esent.Interop.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.adblocker.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Compression.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\System.Data.SQLite.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\vcruntime140d.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.LavasoftTcpServiceLib.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\pt-BR\WebCompanionInstaller.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\tr-TR\WebCompanionInstaller.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\BCUEngineS.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WcfService.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WinService.exe	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\LZ4.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanionInstaller.pdb	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\ru-RU\WebCompanionInstaller.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\BCUSDK.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\ICSharpCode.SharpZipLib.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Microsoft.mshtml.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\ucrtbased.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Extension\@wcextensionff.xpi	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Utils.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.Service.Logger.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanionIcon_Pro.ico	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanionInstaller.exe	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\pt-BR\WebCompanion.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.IEController.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\liblz4.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.Loader.exe	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.SHDocVw.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.AppCore.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Automation.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\NCalc.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\en-US\WebCompanion.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\es-ES\WebCompanionInstaller.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\fr-CA\WebCompanionInstaller.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\ja-JP\WebCompanionInstaller.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\x64\SQLite.Interop.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\x86\SQLite.Interop.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Ad-Aware Web Companion.exe	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Ionic.Zip.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Extension.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Settings.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\fr-CA\WebCompanion.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\tr-TR\WebCompanion.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\zh-CHS\WebCompanionInstaller.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\it-IT\WebCompanionInstaller.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\DotNetZip.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.IWshRuntimeLibrary.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.WUApiLib.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SearchProtect.Business.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\MozCompressor.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanionIcon.ico	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\ja-JP\WebCompanion.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\ru-RU\WebCompanion.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\acs17.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SysInfo.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Utils.SqlLite.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\Newtonsoft.Json.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\de-DE\WebCompanionInstaller.resources.dll	WebCompanionInstaller.exe
File created	C:\Program Files (x86)\Lavasoft\Web Companion\Application\zh-Hans\WebCompanion.resources.dll	WebCompanionInstaller.exe

Drops file in Windows directory 4 IoCs

Processes:

WebCompanion.exeWebCompanionInstaller.exe

description	ioc	process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	WebCompanion.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	WebCompanionInstaller.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	WebCompanionInstaller.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	WebCompanion.exe

Launches sc.exe
Sc.exe is a Windows utlilty to control services on the system.
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 13 IoCs

adware spyware

Modify Registry

T1112

Processes:

WebCompanion.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconPath = "C:\\ProgramData\\Lavasoft\\Web Companion\\Icons\\bing.ico"	WebCompanion.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\FaviconURL = "http://www.bing.com/favicon.ico"	WebCompanion.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\ShowSearchSuggestions = "1"	WebCompanion.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\ShowTopResult = "1"	WebCompanion.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPageShow = "1"	WebCompanion.exe
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}	WebCompanion.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\DisplayName = "Bing"	WebCompanion.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\URL = "http://www.bing.com/search?pc=COS2&ptag=D111820-N0400AB91A1A2A71DC4AF78EF&form=CONBDF&conlogo=CT3331955&q={searchTerms}"	WebCompanion.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\TopResultURL = "http://www.bing.com/search?pc=COS2&ptag=D111820-N0400AB91A1A2A71DC4AF78EF&form=CONBDF&conlogo=CT3331955&q={searchTerms}"	WebCompanion.exe
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	WebCompanion.exe
Key deleted	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}	WebCompanion.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\SuggestionsURL = "https://www.bing.com/osjson.aspx?query={searchTerms}"	WebCompanion.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}\OSDFileURL = " "	WebCompanion.exe

Modifies Internet Explorer start page 1 TTPs 1 IoCs

stealer

Modify Registry

T1112

Processes:

WebCompanion.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Main\Start Page = "http://www.bing.com/?pc=COS2&ptag=D111820-AB91A1A2A71DC4AF78EF&form=CONMHP&conlogo=CT3331955"	WebCompanion.exe

Modifies data under HKEY_USERS 64 IoCs

Processes:

Lavasoft.WCAssistant.WinService.exenetsh.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	Lavasoft.WCAssistant.WinService.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-101 = "Provides DHCP based enforcement for NAP"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-102 = "1.0"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-103 = "Microsoft Corporation"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	Lavasoft.WCAssistant.WinService.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	Lavasoft.WCAssistant.WinService.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-100 = "EAP Quarantine Enforcement Client"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	Lavasoft.WCAssistant.WinService.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-4 = "1.0"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	Lavasoft.WCAssistant.WinService.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-100 = "RD Gateway Quarantine Enforcement Client"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	Lavasoft.WCAssistant.WinService.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-102 = "Microsoft Corporation"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-3 = "Microsoft Corporation"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	Lavasoft.WCAssistant.WinService.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-103 = "1.0"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\napipsec.dll,-1 = "IPsec Relying Party"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	Lavasoft.WCAssistant.WinService.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-101 = "Provides Network Access Protection enforcement for EAP authenticated network connections, such as those used with 802.1X and VPN technologies."	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-102 = "1.0"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace	netsh.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	Lavasoft.WCAssistant.WinService.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	Lavasoft.WCAssistant.WinService.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\eapqec.dll,-103 = "Microsoft Corporation"	netsh.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\tsgqec.dll,-101 = "Provides RD Gateway enforcement for NAP"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\SYSTEM\CurrentControlSet\Control\NetTrace\Session	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	Lavasoft.WCAssistant.WinService.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\25\52C64B7E\@%SystemRoot%\system32\dhcpqec.dll,-100 = "DHCP Quarantine Enforcement Client"	netsh.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	Lavasoft.WCAssistant.WinService.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	Lavasoft.WCAssistant.WinService.exe

Modifies system certificate store 2 TTPs 10 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

WebCompanionInstaller.exeArchive.zip__ccacaxs2tbz2t6ob3e.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5	WebCompanionInstaller.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 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	WebCompanionInstaller.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 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	WebCompanionInstaller.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 040000000100000010000000cb17e431673ee209fe455793f30afa1c0f0000000100000014000000e91e1e972b8f467ab4e0598fa92285387dee94c909000000010000002a000000302806082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030353000000010000002500000030233021060b6086480186f8450107170630123010060a2b0601040182373c0101030200c01400000001000000140000007fd365a7c2ddecbbf03009f34339fa02af3331330b000000010000001200000056006500720069005300690067006e0000001d0000000100000010000000c6cbcafa17955c4cfd41eca0c654c3610300000001000000140000004eb6d578499b1ccf5f581ead56be3d9b6744a5e5190000000100000010000000d8b5fb368468620275d142ffd2aade372000000001000000d7040000308204d3308203bba003020102021018dad19e267de8bb4a2158cdcc6b3b4a300d06092a864886f70d01010505003081ca310b300906035504061302555331173015060355040a130e566572695369676e2c20496e632e311f301d060355040b1316566572695369676e205472757374204e6574776f726b313a3038060355040b1331286329203230303620566572695369676e2c20496e632e202d20466f7220617574686f72697a656420757365206f6e6c79314530430603550403133c566572695369676e20436c6173732033205075626c6963205072696d6172792043657274696669636174696f6e20417574686f72697479202d204735301e170d3036313130383030303030305a170d3336303731363233353935395a3081ca310b300906035504061302555331173015060355040a130e566572695369676e2c20496e632e311f301d060355040b1316566572695369676e205472757374204e6574776f726b313a3038060355040b1331286329203230303620566572695369676e2c20496e632e202d20466f7220617574686f72697a656420757365206f6e6c79314530430603550403133c566572695369676e20436c6173732033205075626c6963205072696d6172792043657274696669636174696f6e20417574686f72697479202d20473530820122300d06092a864886f70d01010105000382010f003082010a0282010100af240808297a359e600caae74b3b4edc7cbc3c451cbb2be0fe2902f95708a364851527f5f1adc831895d22e82aaaa642b38ff8b955b7b1b74bb3fe8f7e0757ecef43db66621561cf600da4d8def8e0c362083d5413eb49ca59548526e52b8f1b9febf5a191c23349d843636a524bd28fe870514dd189697bc770f6b3dc1274db7b5d4b56d396bf1577a1b0f4a225f2af1c926718e5f40604ef90b9e400e4dd3ab519ff02baf43ceee08beb378becf4d7acf2f6f03dafdd759133191d1c40cb7424192193d914feac2a52c78fd50449e48d6347883c6983cbfe47bd2b7e4fc595ae0e9dd4d143c06773e314087ee53f9f73b8330acf5d3f3487968aee53e825150203010001a381b23081af300f0603551d130101ff040530030101ff300e0603551d0f0101ff040403020106306d06082b0601050507010c0461305fa15da05b3059305730551609696d6167652f6769663021301f300706052b0e03021a04148fe5d31a86ac8d8e6bc3cf806ad448182c7b192e30251623687474703a2f2f6c6f676f2e766572697369676e2e636f6d2f76736c6f676f2e676966301d0603551d0e041604147fd365a7c2ddecbbf03009f34339fa02af333133300d06092a864886f70d0101050500038201010093244a305f62cfd81a982f3deadc992dbd77f6a5792238ecc4a7a07812ad620e457064c5e797662d98097e5fafd6cc2865f201aa081a47def9f97c925a0869200dd93e6d6e3c0d6ed8e606914018b9f8c1eddfdb41aae09620c9cd64153881c994eea284290b136f8edb0cdd2502dba48b1944d2417a05694a584f60ca7e826a0b02aa251739b5db7fe784652a958abd86de5e8116832d10ccdefda8822a6d281f0d0bc4e5e71a2619e1f4116f10b595fce7420532dbce9d515e28b69e85d35befa57d4540728eb70e6b0e06fb33354871b89d278bc4655f0d86769c447af6955cf65d320833a454b6183f685cf2424a853854835fd1e82cf2ac11d6a8ed636a	WebCompanionInstaller.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 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	WebCompanionInstaller.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	Archive.zip__ccacaxs2tbz2t6ob3e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	Archive.zip__ccacaxs2tbz2t6ob3e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 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	WebCompanionInstaller.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43	WebCompanionInstaller.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\0563B8630D62D75ABBC8AB1E4BDFB5A899B24D43\Blob = 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	WebCompanionInstaller.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

Lavasoft.WCAssistant.WinService.exeWebCompanion.exe

pid	process
1320	Lavasoft.WCAssistant.WinService.exe
1320	Lavasoft.WCAssistant.WinService.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe
908	WebCompanion.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

Lavasoft.WCAssistant.WinService.exeWebCompanion.exe

description	pid	process
Token: SeDebugPrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeAssignPrimaryTokenPrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeIncreaseQuotaPrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeSecurityPrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeTakeOwnershipPrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeLoadDriverPrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeSystemtimePrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeBackupPrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeRestorePrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeShutdownPrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeSystemEnvironmentPrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeUndockPrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeManageVolumePrivilege	1320	Lavasoft.WCAssistant.WinService.exe
Token: SeDebugPrivilege	908	WebCompanion.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

WebCompanion.exe

pid process

2384 WebCompanion.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

WebCompanion.exe

pid process

2384 WebCompanion.exe

pid	process
2384	WebCompanion.exe

pid	process
2384	WebCompanion.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

Archive.zip__ccacaxs2tbz2t6ob3e.exeWCInstaller.exeWebCompanionInstaller.execmd.exeLavasoft.WCAssistant.WinService.execmd.exeWebCompanion.execsc.execsc.exe

description	pid	process	target process
PID 784 wrote to memory of 728	784	Archive.zip__ccacaxs2tbz2t6ob3e.exe	WCInstaller.exe
PID 784 wrote to memory of 728	784	Archive.zip__ccacaxs2tbz2t6ob3e.exe	WCInstaller.exe
PID 784 wrote to memory of 728	784	Archive.zip__ccacaxs2tbz2t6ob3e.exe	WCInstaller.exe
PID 784 wrote to memory of 728	784	Archive.zip__ccacaxs2tbz2t6ob3e.exe	WCInstaller.exe
PID 784 wrote to memory of 728	784	Archive.zip__ccacaxs2tbz2t6ob3e.exe	WCInstaller.exe
PID 784 wrote to memory of 728	784	Archive.zip__ccacaxs2tbz2t6ob3e.exe	WCInstaller.exe
PID 784 wrote to memory of 728	784	Archive.zip__ccacaxs2tbz2t6ob3e.exe	WCInstaller.exe
PID 728 wrote to memory of 1632	728	WCInstaller.exe	WebCompanionInstaller.exe
PID 728 wrote to memory of 1632	728	WCInstaller.exe	WebCompanionInstaller.exe
PID 728 wrote to memory of 1632	728	WCInstaller.exe	WebCompanionInstaller.exe
PID 728 wrote to memory of 1632	728	WCInstaller.exe	WebCompanionInstaller.exe
PID 728 wrote to memory of 1632	728	WCInstaller.exe	WebCompanionInstaller.exe
PID 728 wrote to memory of 1632	728	WCInstaller.exe	WebCompanionInstaller.exe
PID 728 wrote to memory of 1632	728	WCInstaller.exe	WebCompanionInstaller.exe
PID 1632 wrote to memory of 1944	1632	WebCompanionInstaller.exe	sc.exe
PID 1632 wrote to memory of 1944	1632	WebCompanionInstaller.exe	sc.exe
PID 1632 wrote to memory of 1944	1632	WebCompanionInstaller.exe	sc.exe
PID 1632 wrote to memory of 1944	1632	WebCompanionInstaller.exe	sc.exe
PID 1632 wrote to memory of 1340	1632	WebCompanionInstaller.exe	sc.exe
PID 1632 wrote to memory of 1340	1632	WebCompanionInstaller.exe	sc.exe
PID 1632 wrote to memory of 1340	1632	WebCompanionInstaller.exe	sc.exe
PID 1632 wrote to memory of 1340	1632	WebCompanionInstaller.exe	sc.exe
PID 1632 wrote to memory of 516	1632	WebCompanionInstaller.exe	sc.exe
PID 1632 wrote to memory of 516	1632	WebCompanionInstaller.exe	sc.exe
PID 1632 wrote to memory of 516	1632	WebCompanionInstaller.exe	sc.exe
PID 1632 wrote to memory of 516	1632	WebCompanionInstaller.exe	sc.exe
PID 1632 wrote to memory of 936	1632	WebCompanionInstaller.exe	cmd.exe
PID 1632 wrote to memory of 936	1632	WebCompanionInstaller.exe	cmd.exe
PID 1632 wrote to memory of 936	1632	WebCompanionInstaller.exe	cmd.exe
PID 1632 wrote to memory of 936	1632	WebCompanionInstaller.exe	cmd.exe
PID 936 wrote to memory of 1688	936	cmd.exe	netsh.exe
PID 936 wrote to memory of 1688	936	cmd.exe	netsh.exe
PID 936 wrote to memory of 1688	936	cmd.exe	netsh.exe
PID 936 wrote to memory of 1688	936	cmd.exe	netsh.exe
PID 1632 wrote to memory of 908	1632	WebCompanionInstaller.exe	WebCompanion.exe
PID 1632 wrote to memory of 908	1632	WebCompanionInstaller.exe	WebCompanion.exe
PID 1632 wrote to memory of 908	1632	WebCompanionInstaller.exe	WebCompanion.exe
PID 1632 wrote to memory of 908	1632	WebCompanionInstaller.exe	WebCompanion.exe
PID 1320 wrote to memory of 1160	1320	Lavasoft.WCAssistant.WinService.exe	cmd.exe
PID 1320 wrote to memory of 1160	1320	Lavasoft.WCAssistant.WinService.exe	cmd.exe
PID 1320 wrote to memory of 1160	1320	Lavasoft.WCAssistant.WinService.exe	cmd.exe
PID 1160 wrote to memory of 1996	1160	cmd.exe	netsh.exe
PID 1160 wrote to memory of 1996	1160	cmd.exe	netsh.exe
PID 1160 wrote to memory of 1996	1160	cmd.exe	netsh.exe
PID 908 wrote to memory of 912	908	WebCompanion.exe	csc.exe
PID 908 wrote to memory of 912	908	WebCompanion.exe	csc.exe
PID 908 wrote to memory of 912	908	WebCompanion.exe	csc.exe
PID 908 wrote to memory of 912	908	WebCompanion.exe	csc.exe
PID 912 wrote to memory of 2072	912	csc.exe	cvtres.exe
PID 912 wrote to memory of 2072	912	csc.exe	cvtres.exe
PID 912 wrote to memory of 2072	912	csc.exe	cvtres.exe
PID 912 wrote to memory of 2072	912	csc.exe	cvtres.exe
PID 1320 wrote to memory of 2184	1320	Lavasoft.WCAssistant.WinService.exe	csc.exe
PID 1320 wrote to memory of 2184	1320	Lavasoft.WCAssistant.WinService.exe	csc.exe
PID 1320 wrote to memory of 2184	1320	Lavasoft.WCAssistant.WinService.exe	csc.exe
PID 2184 wrote to memory of 2220	2184	csc.exe	cvtres.exe
PID 2184 wrote to memory of 2220	2184	csc.exe	cvtres.exe
PID 2184 wrote to memory of 2220	2184	csc.exe	cvtres.exe
PID 908 wrote to memory of 2252	908	WebCompanion.exe	Ad-Aware Web Companion.exe
PID 908 wrote to memory of 2252	908	WebCompanion.exe	Ad-Aware Web Companion.exe
PID 908 wrote to memory of 2252	908	WebCompanion.exe	Ad-Aware Web Companion.exe
PID 908 wrote to memory of 2252	908	WebCompanion.exe	Ad-Aware Web Companion.exe
PID 1632 wrote to memory of 2384	1632	WebCompanionInstaller.exe	WebCompanion.exe
PID 1632 wrote to memory of 2384	1632	WebCompanionInstaller.exe	WebCompanion.exe

C:\Users\Admin\AppData\Local\Temp\Archive.zip__ccacaxs2tbz2t6ob3e.exe
"C:\Users\Admin\AppData\Local\Temp\Archive.zip__ccacaxs2tbz2t6ob3e.exe"
1⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:784

C:\Users\Admin\AppData\Local\Temp\Temp\WCInstaller.exe
C:\Users\Admin\AppData\Local\Temp\Temp\WCInstaller.exe --silent --partner=AE190201 --homepage=1 --search=1 --campaign=292
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:728

C:\Users\Admin\AppData\Local\Temp\7zS8D2DC564\WebCompanionInstaller.exe
.\WebCompanionInstaller.exe --partner=AE190201 --campaign=292 --version=7.0.2354.4185 --prod --silent --partner=AE190201 --homepage=1 --search=1 --campaign=292
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\sc.exe
"sc.exe" Create "WCAssistantService" binPath= "C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WinService.exe" DisplayName= "WC Assistant" start= auto
4⤵
PID:1944

C:\Windows\SysWOW64\sc.exe
"sc.exe" failure WCAssistantService reset= 30 actions= restart/60000
4⤵
PID:1340

C:\Windows\SysWOW64\sc.exe
"sc.exe" description "WCAssistantService" "Ad-Aware Web Companion Internet security service"
4⤵
PID:516

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C netsh http add urlacl url=http://+:9007/ user=Everyone
4⤵
- Suspicious use of WriteProcessMemory
PID:936

C:\Windows\SysWOW64\netsh.exe
netsh http add urlacl url=http://+:9007/ user=Everyone
5⤵
PID:1688

C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe
"C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe" --silent --install --geo=
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:908

C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\kavlf367.cmdline"
5⤵
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESF2D8.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCF2D7.tmp"
6⤵
PID:2072

C:\Program Files (x86)\Lavasoft\Web Companion\Application\Ad-Aware Web Companion.exe
"C:\Program Files (x86)\Lavasoft\Web Companion\Application\Ad-Aware Web Companion.exe" {0633EE93-D776-472f-A0FF-E1416B8B2E3A}
5⤵
- Executes dropped EXE
PID:2252

C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe
"C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe" --silent --afterinstall
4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2384

C:\Users\Admin\AppData\Local\Temp\99E4.tmp.exe
C:\Users\Admin\AppData\Local\Temp\99E4.tmp.exe
2⤵
- Executes dropped EXE
PID:788

C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WinService.exe
"C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WinService.exe"
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /C netsh http add urlacl url=http://+:9007/ user=Everyone
2⤵
- Suspicious use of WriteProcessMemory
PID:1160

C:\Windows\system32\netsh.exe
netsh http add urlacl url=http://+:9007/ user=Everyone
3⤵
- Modifies data under HKEY_USERS
PID:1996

C:\Windows\Microsoft.NET\Framework64\v3.5\csc.exe
"C:\Windows\Microsoft.NET\Framework64\v3.5\csc.exe" /noconfig /fullpaths @"C:\Windows\TEMP\xji-xd7p.cmdline"
2⤵
- Suspicious use of WriteProcessMemory
PID:2184

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Windows\TEMP\RESFFF2.tmp" "c:\Windows\Temp\CSCFFF1.tmp"
3⤵
PID:2220

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

T1050

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

New Service

T1050

Defense Evasion

Modify Registry

T1112

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Lavasoft\Web Companion\Application\Ad-Aware Web Companion.exe

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Ad-Aware Web Companion.exe

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\ICSharpCode.SharpZipLib.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.IWshRuntimeLibrary.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.LavasoftTcpServiceLib.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.AppCore.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Automation.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.CSharp.Utilities.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Compression.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Events.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SearchProtect.Business.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Settings.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SysInfo.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Utils.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.Service.Logger.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WcfService.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WinService.exe

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WinService.exe

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.WCAssistant.WinService.exe.config

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.adblocker.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\MozCompressor.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\Newtonsoft.Json.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\VCRUNTIME140D.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe.config

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanionIcon.ico

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\en-US\WebCompanion.resources.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\liblz4.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\log4net.dll

Download Submit
C:\Program Files (x86)\Lavasoft\Web Companion\Application\ucrtbased.dll

Download Submit
C:\ProgramData\Application Data\Lavasoft\Web Companion\Logs\Webcompanion\webcompanion.log

Download Submit
C:\ProgramData\Lavasoft\Web Companion\Logs\WindowsService\WCAssistantServiceLog.log

Download Submit
C:\ProgramData\Lavasoft\Web Companion\Options\ActiveFeatures.zip

Download Submit
C:\ProgramData\Lavasoft\Web Companion\Options\EventSafeguard.txt

Download Submit
C:\ProgramData\Lavasoft\Web Companion\Options\Partner.txt

Download Submit
C:\ProgramData\Lavasoft\Web Companion\Options\ProfileInfo.txt

Download Submit
C:\ProgramData\Lavasoft\Web Companion\Options\ServicePartnerInfo.txt

Download Submit
C:\ProgramData\Lavasoft\Web Companion\Options\Statistics.txt

Download Submit
C:\ProgramData\Lavasoft\Web Companion\Options\b_search.json

Download Submit
C:\ProgramData\Lavasoft\Web Companion\Options\install.txt

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C46E7B0F942663A1EDC8D9D6D7869173_6043FC604A395E1485AF7AC16D16B7CE

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EA618097E393409AFA316F0F87E2C202_28DD3630238B51427119DAF9326B45F2

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C46E7B0F942663A1EDC8D9D6D7869173_6043FC604A395E1485AF7AC16D16B7CE

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EA618097E393409AFA316F0F87E2C202_28DD3630238B51427119DAF9326B45F2

Download Submit
C:\Users\Admin\AppData\Local\Lavasoft\WebCompanion.exe_Url_siq0lwf3tzgxp2khfkllybk3idtbehng\7.0.2354.4185\user.config

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8D2DC564\ICSharpCode.SharpZipLib.dll

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8D2DC564\Newtonsoft.Json.dll

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8D2DC564\WebCompanionInstaller.exe

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8D2DC564\WebCompanionInstaller.exe

Download Submit
C:\Users\Admin\AppData\Local\Temp\7zS8D2DC564\WebCompanionInstaller.exe.config

Download Submit
C:\Users\Admin\AppData\Local\Temp\99E4.tmp.exe

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESF2D8.tmp

Download Submit
C:\Users\Admin\AppData\Local\Temp\Temp\WCInstaller.exe

Download Submit
C:\Users\Admin\AppData\Local\Temp\Temp\WCInstaller.exe

Download Submit
C:\Users\Admin\AppData\Local\Temp\kavlf367.dll

Download Submit
C:\Users\Admin\AppData\Roaming\Lavasoft\Web Companion\Options\FData.txt

Download Submit
C:\Users\Admin\AppData\Roaming\Lavasoft\Web Companion\Options\Language.txt

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jl56y3z6.default-release\prefs.js

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jl56y3z6.default-release\search.json.mozlz4

Download Submit
C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch

Download Submit
C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch

Download Submit
C:\Windows\TEMP\RESFFF2.tmp

Download Submit
C:\Windows\TEMP\xji-xd7p.dll

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSCF2D7.tmp

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\kavlf367.0.cs

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\kavlf367.cmdline

Download Submit
\??\c:\Windows\Temp\CSCFFF1.tmp

Download Submit
\??\c:\Windows\Temp\xji-xd7p.0.cs

Download Submit
\??\c:\Windows\Temp\xji-xd7p.cmdline

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Ad-Aware Web Companion.exe

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\ICSharpCode.SharpZipLib.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\ICSharpCode.SharpZipLib.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\ICSharpCode.SharpZipLib.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\ICSharpCode.SharpZipLib.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\ICSharpCode.SharpZipLib.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\ICSharpCode.SharpZipLib.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.IWshRuntimeLibrary.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.IWshRuntimeLibrary.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.IWshRuntimeLibrary.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.LavasoftTcpServiceLib.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.LavasoftTcpServiceLib.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.LavasoftTcpServiceLib.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.LavasoftTcpServiceLib.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.LavasoftTcpServiceLib.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Interop.LavasoftTcpServiceLib.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.AppCore.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.AppCore.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.AppCore.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.AppCore.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.AppCore.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.AppCore.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Automation.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Automation.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Automation.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.CSharp.Utilities.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.CSharp.Utilities.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.CSharp.Utilities.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Compression.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Compression.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Compression.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Compression.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Compression.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Compression.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Events.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Events.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Events.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Events.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Events.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Events.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SearchProtect.Business.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SearchProtect.Business.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SearchProtect.Business.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SearchProtect.Business.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SearchProtect.Business.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SearchProtect.Business.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Settings.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Settings.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Settings.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SysInfo.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SysInfo.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.SysInfo.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Utils.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Utils.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Utils.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Utils.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Utils.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.Utils.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.adblocker.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.adblocker.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Lavasoft.adblocker.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\MozCompressor.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\MozCompressor.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\MozCompressor.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\MozCompressor.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\MozCompressor.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\MozCompressor.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Newtonsoft.Json.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Newtonsoft.Json.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Newtonsoft.Json.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Newtonsoft.Json.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Newtonsoft.Json.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\Newtonsoft.Json.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\WebCompanion.exe

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\en-US\WebCompanion.resources.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\en-US\WebCompanion.resources.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\en-US\WebCompanion.resources.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\liblz4.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\liblz4.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\log4net.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\log4net.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\log4net.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\log4net.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\log4net.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\log4net.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\ucrtbased.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\ucrtbased.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\vcruntime140d.dll

Download Submit
\Program Files (x86)\Lavasoft\Web Companion\Application\vcruntime140d.dll

Download Submit
\Users\Admin\AppData\Local\Temp\7zS8D2DC564\ICSharpCode.SharpZipLib.dll

Download Submit
\Users\Admin\AppData\Local\Temp\7zS8D2DC564\ICSharpCode.SharpZipLib.dll

Download Submit
\Users\Admin\AppData\Local\Temp\7zS8D2DC564\ICSharpCode.SharpZipLib.dll

Download Submit
\Users\Admin\AppData\Local\Temp\7zS8D2DC564\Newtonsoft.Json.dll

Download Submit
\Users\Admin\AppData\Local\Temp\7zS8D2DC564\Newtonsoft.Json.dll

Download Submit
\Users\Admin\AppData\Local\Temp\7zS8D2DC564\Newtonsoft.Json.dll

Download Submit
\Users\Admin\AppData\Local\Temp\7zS8D2DC564\WebCompanionInstaller.exe

Download Submit
\Users\Admin\AppData\Local\Temp\99E4.tmp.exe

Download Submit
\Users\Admin\AppData\Local\Temp\Temp\WCInstaller.exe

Download Submit
memory/516-24-0x0000000000000000-mapping.dmp

Download
memory/728-2-0x0000000000000000-mapping.dmp

Download
memory/788-616-0x0000000000000000-mapping.dmp

Download
memory/908-101-0x0000000006540000-0x0000000006541000-memory.dmp

Filesize
4KB

Download
memory/908-34-0x0000000000000000-mapping.dmp

Download
memory/908-98-0x000000006B770000-0x000000006BE5E000-memory.dmp

Filesize
6.9MB

Download
memory/912-116-0x0000000000000000-mapping.dmp

Download
memory/936-30-0x0000000000000000-mapping.dmp

Download
memory/1160-113-0x0000000000000000-mapping.dmp

Download
memory/1320-107-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

Filesize
9.6MB

Download
memory/1320-106-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

Filesize
9.6MB

Download
memory/1340-22-0x0000000000000000-mapping.dmp

Download
memory/1632-6-0x0000000000000000-mapping.dmp

Download
memory/1688-31-0x0000000000000000-mapping.dmp

Download
memory/1944-20-0x0000000000000000-mapping.dmp

Download
memory/1972-0-0x000007FEF72E0000-0x000007FEF755A000-memory.dmp

Filesize
2.5MB

Download
memory/1996-114-0x0000000000000000-mapping.dmp

Download
memory/2072-119-0x0000000000000000-mapping.dmp

Download
memory/2184-136-0x0000000000000000-mapping.dmp

Download
memory/2220-139-0x0000000000000000-mapping.dmp

Download
memory/2252-145-0x0000000000000000-mapping.dmp

Download
memory/2384-155-0x0000000000000000-mapping.dmp

Download
memory/2384-201-0x0000000006500000-0x0000000006501000-memory.dmp

Filesize
4KB

Download
memory/2384-198-0x000000006D3B0000-0x000000006DA9E000-memory.dmp

Filesize
6.9MB

Download