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View Full Version : Manual Removal Guide for Win32.Delf.aoa



Friday
2008-11-29, 21:51
The following instructions have been created to help you to get rid of "Win32.Delf.aoa" 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:
Win32.Delf.aoa installs a library file to the system directory and creates a browser helper object within the internet explorer which links to rogue software sites. Win32.Delf.aoa is a member of the Smitfraud family.
Removal Instructions:

Files:

Please use Windows Explorer or another file manager of your choice to locate and delete these files.

The file at "<$SYSDIR>\PowerVideo.dll".
A file with an unknown location named "PowerVideo.dll".
Make sure you set your file manager to display hidden and system files. If Win32.Delf.aoa uses rootkit technologies, use our RootAlyzer (http://forums.spybot.info/downloads.php?id=8) or our Total Commander anti-rootkit plugins (http://forums.spybot.info/downloads.php?id=3).
You will have to use a global search for files without a name specified. Be extra careful, because just the name might not be enough to identify files!

Registry:

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

Delete the registry key "{5AF8125F-9BB3-482D-8B49-B4B3E9D8DB59}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{333E0189-EB79-4D24-BA64-FAF768284313}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{741403DD-46A4-4D58-8FA7-427335C3BBF6}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{032706C0-EB72-4DF0-ABF6-B89958D2A6CC}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{66D69CC1-5373-4730-AB8E-24D2AB7FF95F}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{7E4C5F57-FF13-4006-A5F6-BE97D9CD6261}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{323301C5-CB6B-490C-B59F-E7FAD4D69C93}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{065B1210-E57F-41AD-90C5-F70D63388640}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{A9A82440-64E7-4177-86AE-B58DEE731AF3}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{BD907325-42B2-4077-BA63-F636B627C998}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{7D8BD0D7-8FD8-48CB-A0B5-472F68B92BC4}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{EF425F00-2D4C-4273-A610-3403026681A6}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
If Win32.Delf.aoa 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.