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Virus:TR/Injector.KSK
Date discovered:14/06/2011
Type:Trojan
In the wild:No
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:68.096 Bytes
MD5 checksum:440647BEBF95EC9E5E82C77E166E2DED
VDF version:7.11.09.197 - Tuesday, June 14, 2011
IVDF version:7.11.09.197 - Tuesday, June 14, 2011

 General Aliases:
   •  TrendMicro: TROJ_AGENTT.TI
   •  Sophos: Troj/Drop-GN
   •  DrWeb: BackDoor.Ddoser.131


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows 7


Side effects:
   • Drops files
   • Registry modification

 Files It copies itself to the following location:
   • %recycle bin%\R-1-5-21-1482476501-1644491937-682003330-1013\acleaner.exe

 Registry One of the following values is added in order to run the process after reboot:

–  [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
   • "Taskman"="%recycle bin%\R-1-5-21-1482476501-1644491937-682003330-1013\acleaner.exe"

 Injection – It injects itself as a remote thread into a process.

    Process name:
   • explorer.exe


 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with a runtime packer.

Description inserted by Andrei Ilie on Monday, October 17, 2011
Description updated by Andrei Ilie on Tuesday, October 18, 2011

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