Need help? Ask the community or hire an expert.
Go to Avira Answers
Date discovered:08/12/2009
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:47.104 Bytes
MD5 checksum:b665d6f000a15e306a354ac80a712954
IVDF version:

 General Aliases:
   •  Mcafee: W32/Koobface.worm.gen.e
   •  Panda: W32/Koobface.HU.worm
   •  Eset: Win32/Koobface.NBH
   •  Bitdefender: Trojan.Generic.IS.106411

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

It tries to executes the following files:

– Filename:
   • %WINDIR%\pp12.exe %executed file%

– Filename:
   • cmd /c %WINDIR%\dxxdv34567.bat

 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.

Description inserted by Petre Galan on Thursday, April 1, 2010
Description updated by Petre Galan on Thursday, April 1, 2010

Back . . . .