f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691

General

Target

f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
Size

923KB
MD5

3c105635371528e1027593857051e4d6
SHA1

d14d696e1989294cd89937b377780a30f9b1eb76
SHA256

f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691
SHA512

28c76cdb0d2b12d62cee0941b0aa080e27f7628a8f9c0d0b077c4a62effe46f4e35d6888f2fd221042ebee3e13447f65da9fd0cea0fa049cc9087bdb557c2a5b
SSDEEP

6144:mpqoa8aLKC/2OLSAN7gNVpNleQUohBfGPOtQciXeL/XYqGlebojSP2pjNhcAYnCP:mpqKC/2OGAtkCP4cejGSOpRK3CnIiv

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe system3_.exe"	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yahoo Messengger = "C:\\Users\\Admin\\Desktop\\system3_.exe"	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows\CurrentVersion\Run	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

description	ioc	process
File opened (read-only)	\??\y:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\j:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\l:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\p:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\r:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\u:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\n:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\q:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\w:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\a:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\e:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\f:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\g:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\i:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\b:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\k:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\m:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\v:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\z:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\h:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\o:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\s:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\t:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
File opened (read-only)	\??\x:	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/3300-132-0x0000000000400000-0x00000000004E1000-memory.dmp	autoit_exe
behavioral2/memory/3300-139-0x0000000000400000-0x00000000004E1000-memory.dmp	autoit_exe

Drops autorun.inf file 1 TTPs 1 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media
T1091

Processes:

f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

description ioc process

File created \??\d:\autorun.inf f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	\??\d:\autorun.inf	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

Modifies Internet Explorer settings 1 TTPs 5 IoCs

adware spyware

Modify Registry

T1112

Processes:

f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.mydreamworld.50webs.com"	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Search_URL = "http://www.mydreamworld.50webs.com"	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Search Page = "http://www.mydreamworld.50webs.com"	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

Processes:

f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Start Page = "http://www.mydreamworld.50webs.com"	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.mydreamworld.50webs.com"	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

pid	process
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.execmd.execmd.execmd.exe

description	pid	process	target process
PID 3300 wrote to memory of 4660	3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe	cmd.exe
PID 3300 wrote to memory of 4660	3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe	cmd.exe
PID 3300 wrote to memory of 4660	3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe	cmd.exe
PID 4660 wrote to memory of 4280	4660	cmd.exe	at.exe
PID 4660 wrote to memory of 4280	4660	cmd.exe	at.exe
PID 4660 wrote to memory of 4280	4660	cmd.exe	at.exe
PID 3300 wrote to memory of 4800	3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe	cmd.exe
PID 3300 wrote to memory of 4800	3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe	cmd.exe
PID 3300 wrote to memory of 4800	3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe	cmd.exe
PID 4800 wrote to memory of 1856	4800	cmd.exe	at.exe
PID 4800 wrote to memory of 1856	4800	cmd.exe	at.exe
PID 4800 wrote to memory of 1856	4800	cmd.exe	at.exe
PID 3300 wrote to memory of 1724	3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe	cmd.exe
PID 3300 wrote to memory of 1724	3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe	cmd.exe
PID 3300 wrote to memory of 1724	3300	f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe	cmd.exe
PID 1724 wrote to memory of 4420	1724	cmd.exe	cacls.exe
PID 1724 wrote to memory of 4420	1724	cmd.exe	cacls.exe
PID 1724 wrote to memory of 4420	1724	cmd.exe	cacls.exe

C:\Users\Admin\AppData\Local\Temp\f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe
"C:\Users\Admin\AppData\Local\Temp\f3ac9b8dee459898ff653a9ee6f5056b716ae7e4d880d1e4d3aa2f09dccad691.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3300

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /C AT /delete /yes
2⤵
- Suspicious use of WriteProcessMemory
PID:4660

C:\Windows\SysWOW64\at.exe
AT /delete /yes
3⤵
PID:4280

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4800

C:\Windows\SysWOW64\at.exe
AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Users\Admin\Desktop\system3_.exe
3⤵
PID:1856

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /C cacls "C:\system volume information" /e /g "Admin":f
2⤵
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\cacls.exe
cacls "C:\system volume information" /e /g "Admin":f
3⤵
PID:4420

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1724-137-0x0000000000000000-mapping.dmp

Download
memory/1856-136-0x0000000000000000-mapping.dmp

Download
memory/3300-132-0x0000000000400000-0x00000000004E1000-memory.dmp

Filesize
900KB

Download
memory/3300-139-0x0000000000400000-0x00000000004E1000-memory.dmp

Filesize
900KB

Download
memory/4280-134-0x0000000000000000-mapping.dmp

Download
memory/4420-138-0x0000000000000000-mapping.dmp

Download
memory/4660-133-0x0000000000000000-mapping.dmp

Download
memory/4800-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads