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View Full Version : Manual Removal Guide for Win32.Shark.af



Friday
2008-11-29, 23:02
The following instructions have been created to help you to get rid of "Win32.Shark.af" manually.
Use this guide at your own risk; software should usually be better suited to remove malware, since it is able to look deeper.

If this guide was helpful to you, please consider donating towards this site (http://www.safer-networking.org/index.php?page=donate).

Threat Details:

Categories:
trojan

Description:
This trojan horse uses a porn software as a bait to get executed. Once executed the trojan horse adds itself as Windows Update to the system start and continuously sends request to a fixed IP address. The trojan horse is packed with Themida which is supposed to prevent reverse engeneering and/or monitoring with security tools.
Supposed Functionality:
Supposed to be Windows Update or a porn software.
Removal Instructions:

Autorun:

Please use Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd), RunAlyzer (http://www.safer-networking.org/index.php?page=runalyzer) or msconfig.exe to remove the following autorun entries.

Entries named "Windows Update" and pointing to "<$SYSDIR>\*.exe".

Files:

Important: There are more files that cannot be safely described in simple words. Please use Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd) to remove them.

Registry:

You can use regedit.exe (included in Windows) to locate and delete these registry entries.

Delete the registry key "m" at "HKEY_CURRENT_USER\Software\VB and VBA Program Settings\".
Delete the registry key "Windows Update" at "HKEY_CURRENT_USER\Software\VB and VBA Program Settings\".
If Win32.Shark.af uses rootkit technologies, use our RegAlyzer (http://www.safer-networking.org/index.php?page=regalyzer), RootAlyzer (http://forums.spybot.info/downloads.php?id=8) or our Total Commander anti-rootkit plugins (http://forums.spybot.info/downloads.php?id=3).

Final Words:

If neither Spybot-S&D nor self help did resolve the issue or you would prefer one on one help,
Please read these instructions (http://forums.spybot.info/showthread.php?t=288) before requesting assistance,
Then start your own thread in the Malware Removal Forum (http://forums.spybot.info/forumdisplay.php?f=22) where a volunteer analyst will advise you as soon as available.