Analysis

  • user interaction
    yes
  • max time kernel
    308s
  • max time network
    281s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/05/2026, 03:58

General

  • Target
    RevoRegistryCleaner.2.2.0.PortableOSSSR.COM.7z
  • Size 45.4MB
  • Sample260528-ejyrfsgx2t
  • SHA256 cc17c7128188a6222e074bf45b52e403f4ac19017a0dfa50e63139608a6d7212
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 64 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 1 IoCs
  • Modifies registry class 3 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\RevoRegistryCleaner.2.2.0.PortableOSSSR.COM.7z"
    1⤵
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1892
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4100
    • C:\Users\Admin\Desktop\RevoRegistryCleaner\RevoRegistryCleanerPortable.exe
      "C:\Users\Admin\Desktop\RevoRegistryCleaner\RevoRegistryCleanerPortable.exe"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5696
      • C:\Windows\SysWOW64\regedit.exe
        C:\Windows\SYSTEM32\regedit.exe /s "C:\Users\Admin\Desktop\RevoRegistryCleaner\Data\settings\Revo Registry Cleaner.reg"
        2⤵
        • System Location Discovery: System Language Discovery
        • Runs .reg file with regedit
        PID:832
      • C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\Revo Registry Cleaner.exe
        "C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\Revo Registry Cleaner.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2240
        • C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\RRCsrv.exe
          "C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\RRCsrv.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:5212
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /F /IM "RRCsrv.exe" /T
        2⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1752
    • C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\RRCsrv.exe
      "C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\RRCsrv.exe"
      1⤵
      • Executes dropped EXE
      PID:5040

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          System.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsc5A7E.tmp\System.dll
          • Size 11KB
          • SHA256 7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af
          • MD5 SHA1 SHA512 SSDEEP TLSH

          newadvsplash.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsc5A7E.tmp\newadvsplash.dll
          • Size 8KB
          • SHA256 0a70cc4b93d87ecd93e538cfbed7c9a4b8b5c6f1042c6069757bda0d1279ed06
          • MD5 SHA1 SHA512 SSDEEP TLSH

          nsExec.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsc5A7E.tmp\nsExec.dll
          • Size 6KB
          • SHA256 d29afce2588d8dd7bb94c00ca91cac0e85b80ffa6b221f5ffcb83a2497228eb2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          registry.dll

          • Path C:\Users\Admin\AppData\Local\Temp\nsc5A7E.tmp\registry.dll
          • Size 25KB
          • SHA256 4f585d4dcb449fc1b0e002d7e850a059bf254769aee0fb83841f73064ec63014
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RevoRegistryCleanerPortable.ini

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\AppInfo\Launcher\RevoRegistryCleanerPortable.ini
          • Size 554B
          • SHA256 395e9b6cb7d24625708503e2cc142e92efab5646e39bef403d62f489f08413f2
          • MD5 SHA1 SHA512 TLSH

          appinfo.ini

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\AppInfo\appinfo.ini
          • Size 185B
          • SHA256 5dcb52d71482c627798870e34a8fdb7b93caca999d3376592f712f43ea442afe
          • MD5 SHA1 SHA512 TLSH

          Revo Registry Cleaner.reg

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\DefaultData\settings\Revo Registry Cleaner.reg
          • Size 880B
          • SHA256 16af967fdc6b197b8b9a6c07d220a5c215eccbcfc5cf7ef05fb0cc041f68a6a6
          • MD5 SHA1 SHA512 TLSH

          DirectWriteForwarder.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\DirectWriteForwarder.dll
          • Size 473KB
          • SHA256 087000b8fc980817217c5ba95ddc9d5da0aad2efd7261da6de1d3f36970761c8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Win32.Primitives.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\Microsoft.Win32.Primitives.dll
          • Size 25KB
          • SHA256 1ea5ee869ee926cb1cacc943f4266c1d673148f1d501a446dbf51b864efd5d0a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          PresentationCore.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\PresentationCore.dll
          • Size 8.3MB
          • SHA256 cd83b2aa114cecc595a55bd54a11d05ef5c85c37e6c5bfccb35a5fd4736288a8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          PresentationFramework.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\PresentationFramework.dll
          • Size 15.5MB
          • SHA256 5c19b4a1bc7cf90647cb791cc73424af8017b60df72cb013d8a0dcc3de380222
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RRC Common.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\RRC Common.dll
          • Size 36KB
          • SHA256 783fb59291699c1728d9d1a3a5a7150cbb1a52212b832e588c314009b5f7bbdf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RRCsrv.runtimeconfig.json

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\RRCsrv.runtimeconfig.json
          • Size 382B
          • SHA256 d2b1fea0967d3db90fb6f5d0c12ab4b978c33bbc08fff19ac1449829a334461e
          • MD5 SHA1 SHA512 TLSH

          Revo Registry Cleaner.deps.json

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\Revo Registry Cleaner.deps.json
          • Size 45KB
          • SHA256 f42b903c42beebd3421d6940a586b29be8c5eef8e2a6aeac0247defd9c4c8729
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Revo Registry Cleaner.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\Revo Registry Cleaner.dll
          • Size 3.7MB
          • SHA256 3e90445b52ede0870e959935b6f51db4918bbed0aba61683a2f0fcceadd1219c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Revo Registry Cleaner.exe

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\Revo Registry Cleaner.exe
          • Size 289KB
          • SHA256 83996097a2c2d482d1b4fca8a085f4436597839b8ad4082bf4656bf84a56201b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Collections.NonGeneric.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.Collections.NonGeneric.dll
          • Size 98KB
          • SHA256 0f240c298712f90c8306854b7abb8500314b93c029c3c5731821dc44b06a5a83
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.ComponentModel.Primitives.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.ComponentModel.Primitives.dll
          • Size 73KB
          • SHA256 936b9ea67b3569d64697a2c5bd57875ae61f688f815cde035f3e858cbf3164bc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Diagnostics.Debug.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.Diagnostics.Debug.dll
          • Size 15KB
          • SHA256 144b11b8770dafbed4d65e455ffe21554f35135432851cd05906a498040892b4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.IO.Packaging.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.IO.Packaging.dll
          • Size 273KB
          • SHA256 9c1bd7411076a569ec62d7288bc17701aec0f5088675df055be3e3b98c738124
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Private.CoreLib.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.Private.CoreLib.dll
          • Size 10.1MB
          • SHA256 8dafeea942b8ff3ddbaea64eac732b12f2247ccef0aee7dfc1555c07e108c50f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Private.Uri.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.Private.Uri.dll
          • Size 246KB
          • SHA256 b61ca7423541768f7bfcd54f571d360a770b42d5719283a1bd8fae72867d35d5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Runtime.CompilerServices.VisualC.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.Runtime.CompilerServices.VisualC.dll
          • Size 19KB
          • SHA256 43900b65987b151c20856d4bc3c4eb9865411e41e3d13bbb0e3023d4ca6a773d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Runtime.Extensions.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.Runtime.Extensions.dll
          • Size 17KB
          • SHA256 64cb92b4f318b1f424dff5a76ecad83c23968fd2ec7b56d2af0c92333effe2de
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Runtime.InteropServices.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.Runtime.InteropServices.dll
          • Size 50KB
          • SHA256 9b5631668addb32d2687f0bb015fdb08653e4198fa1a02b36ff4a9a4b0e4caad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Runtime.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.Runtime.dll
          • Size 41KB
          • SHA256 eef8125cbbe8186ca4366b9d4b1fe76c2ff47692331d81cf500793942050131d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Security.Claims.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.Security.Claims.dll
          • Size 92KB
          • SHA256 5331c1df0b9d07ea1cdc2deb73f7eed40fa0d59f964d821b4f8b9eac79b88b4b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Security.Principal.Windows.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.Security.Principal.Windows.dll
          • Size 148KB
          • SHA256 bf1a76925bb826bde4ffd1c11761bfb14cb2e5d94cf327f9162e8854738fa995
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Threading.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.Threading.dll
          • Size 78KB
          • SHA256 e484826a94bf442be6949e0077c31b60ee61c3dc6a59e76fe392aecb047008c0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          System.Xaml.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\System.Xaml.dll
          • Size 1.4MB
          • SHA256 5298caf1e7eca40a008f048a29169ba9b39afae05cf035ad85d210d9eee462d1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          WindowsBase.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\WindowsBase.dll
          • Size 2.2MB
          • SHA256 e06fc4fa294d9695779b868e243caae623c71345fcf8a2bc1ddc5a5812b45124
          • MD5 SHA1 SHA512 SSDEEP TLSH

          clrjit.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\clrjit.dll
          • Size 1.4MB
          • SHA256 932fcfc513c6d017425fea144cba5cd922023873104defcdc2ba9259ab0c3ffa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          coreclr.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\coreclr.dll
          • Size 4.9MB
          • SHA256 fcec80d7b8d7f1ad7a0d9c69ed898d412e901746c867910f5e16d2ab37679143
          • MD5 SHA1 SHA512 SSDEEP TLSH

          hostfxr.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\hostfxr.dll
          • Size 369KB
          • SHA256 cf79bfd6c9150ff5517cbfb7bce3e66d5595160c0e4a022f776fe8e680c29d14
          • MD5 SHA1 SHA512 SSDEEP TLSH

          hostpolicy.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\hostpolicy.dll
          • Size 384KB
          • SHA256 a327e06faa85c67258476d27119d93b61ebe7027088336791fb5a0aef11cb2ca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          mscorlib.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\mscorlib.dll
          • Size 57KB
          • SHA256 e13f7112acaf0e70bfc37c97e171ab89e160abd47b9a689ae7a165032aedea32
          • MD5 SHA1 SHA512 SSDEEP TLSH

          mscorrc.dll

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\App\Program\mscorrc.dll
          • Size 143KB
          • SHA256 eff712417e5cd69db491c0521bf82622f3bd9e73965ae7c13d8ae74c7a54768e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          PortableApps.comLauncherRuntimeData-RevoRegistryCleanerPortable.ini

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\Data\PortableApps.comLauncherRuntimeData-RevoRegistryCleanerPortable.ini
          • Size 217B
          • SHA256 510790847659518db5448c5355f1a1cd61e065036520fd7c7af0ae7f27331f0f
          • MD5 SHA1 SHA512 TLSH

          RevoRegistryCleanerPortable.exe

          • Path C:\Users\Admin\Desktop\RevoRegistryCleaner\RevoRegistryCleanerPortable.exe
          • Size 155KB
          • SHA256 679128c07095197413bc4e9ff029ec76065bc231d05259bff93457f8153f79a2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/5696-727-0x0000000074A74000-0x0000000074A75000-memory.dmp