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Virus:Worm/Koobface.clr
Date discovered:17/11/2009
Type:Worm
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low
Static file:Yes
File size:38.912 Bytes
MD5 checksum:d70167b876e609c821aa063cf9561a0b
IVDF version:7.01.06.245 - Tuesday, November 17, 2009

 General Aliases:
   •  Mcafee: W32/Koobface.worm.gen.e
   •  Sophos: W32/Koobface-S
   •  Panda: W32/Koobface.GG.worm
   •  Eset: Win32/Koobface.NBH
   •  Bitdefender: Win32.Worm.Koobface.AMS


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


Side effects:
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following location:
   • %WINDIR%\pp12.exe



It deletes the initially executed copy of itself.



It deletes the following file:
   • %WINDIR%\dxxdv34567.bat



The following files are created:

%WINDIR%\fdgg34353edfgdfdf This is a non malicious text file with the following content:
   • %code that runs malware%

%WINDIR%\dxxdv34567.bat Furthermore it gets executed after it was fully created. This batch file is used to delete a file.

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

  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "pp"="%WINDIR%\pp12.exe"

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

Описание добавил Petre Galan в(о) пятница, 12 марта 2010 г.
Описание обновил Petre Galan в(о) пятница, 12 марта 2010 г.

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