BitDefender Antivirus

Trojan.Delf.Inject.BK

( (KAV)Trojan.Win32.Agent2.kwe )
Spreading: medium
Damage: medium
Size: 390KB
Discovered: 2009 Jul 14

SYMPTOMS:

Increased network activity

TECHNICAL DESCRIPTION:

When executed it creates a copy of itself in "%system%\tray.exe" and registers this copy to the system startup:
[HKLM\Software\Microsoft\Windows\CurrentVersion\Run]\MicrosoftNAPC,
[HKLM\Software\Microsoft\Windows\
CurrentVersion\policies\Explorer\Run]\MicrosoftCorp
When launched, this copy tries to connect to warraca.elcrazyfrog.com IRC server. It has the potential to download and execute a file (most probably a malware) specified by server.  It will also search for sensitive data in some browser-related files like profiles.ini, signons.txt.

Removal instructions:

Please let BitDefender disinfect your files.

ANALYZED BY:

Ovidiu Visoiu, virus researcher