Virus:TR/Spy.Koobface.1
Date discovered:04/03/2009
Type:Trojan
In the wild:Yes
Reported Infections:Low
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:11.776 Bytes
MD5 checksum:ed3a1d749f08bdefb484c38c572c8831
IVDF version:7.01.02.114 - Wednesday, March 4, 2009

 General Aliases:
   •  Mcafee: W32/Koobface.worm.gen.e
   •  Sophos: W32/Koobfa-Gen
   •  Panda: W32/Koobface.AW.worm
   •  Eset: Win32/Koobface.NAY
   •  Bitdefender: Win32.Worm.Koobface.AO


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


Side effects:
   • Downloads a malicious file
   • Drops malicious files
   • Registry modification

 Files It copies itself to the following location:
   • %WINDIR%\pp1.exe



The following file is created:

– %WINDIR%\9gdfgjf23 This is a non malicious text file with the following content:
   • %code that runs malware%




It tries to download a file:

– The locations are the following:
   • http://85.13.236.154/**********/
   • http://213.174.139.72/**********/
At the time of writing this file was not online for further investigation.

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

–  [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "pp"="%WINDIR%\pp1.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 Monday, March 15, 2010
Description updated by Petre Galan on Monday, March 15, 2010

Back . . . .