PCBugSquad

The WORM_KOOBFACE.D worm is malware that spreads itself through the online social site called Facebook.  When a user becomes infected with this worm, it will install a copy of itself as C:\Windows\fbtre6.exe and then further download the following files:

• C:\5465465465463.BAT
• C:\Windows\fmark2.dat

When fbtre6.exe is run it will display the following message in Windows:

Error installing Codec. Please contact support.

It is important to note that this infection will delete itself if it detects that you have not used Facebook.com on the infected computer.  If Facebook cookies are found, though, it will add a link to a location where it can be downloaded in the infected user’s Facebook profile.  It is through these links in infected user’s profiles that the infection spreads.

Automatic Removal Method

If you are infected with this malware, then we suggest you use Trend Micro antivirus to remove this infection. It is know to be able to remove this malware and it is included in its current virus definitions.

Download Trend Micro Antivirus to scan your computer

Manual Removal Instructions for

End these processes:

Learn how to end processes

fbtre6.exe

Delete these files:
Lean how to remove files

C:\Windows\fbtre6.exe
C:\5465465465463.BAT
C:\Windows\fmark2.dat

Remove these Registry keys:

Learn how to remove Windows Registry entries

Warning: Editing the Windows Registry incorrectly can cause problems with your computer that may cause it not to operate correctly.  Please edit the Registry only if you know what you are doing.  Otherwise, please use the automated removal method above.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
sysftray = “C:\Windows\fbtre6.exe”