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View Full Version : Manual Removal Guide for Adware.Webext



Friday
2008-11-28, 17:45
The following instructions have been created to help you to get rid of "Adware.Webext" 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:
malware

Description:
Adware.Webext copies itself into the system directory and tries to connect to the internet. When it is connected to a server it displays advertisements based on keywords entered in Internet Explorer.
Removal Instructions:

Files:

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

The file at "c:\adlog.txt".
A file with an unknown location named "italulwh.dll".
A file with an unknown location named "bho.dll".
A file with an unknown location named "adwsetup_upd.exe".
The file at "<$LOCALSETTINGS>\Temp\adwsetup_upd.exe".
The file at "<$LOCALSETTINGS>\Temp\ExtractDLL.dll".
The file at "<$LOCALSETTINGS>\Temp\selassix.tmp".
The file at "<$SYSDIR>\bho.dll".
A file with an unknown location named "nsz14.dll".
The file at "c:\adlog.txt".
The file at "<$SYSDIR>\bho.dll".
Make sure you set your file manager to display hidden and system files. If Adware.Webext 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!

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 "{4006DCA3-433D-4FC8-AC36-42DA7797DCB7}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{4681B27C-CD92-4AFF-B5F6-1C53970344B6}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{4006DCA3-433D-4FC8-AC36-42DA7797DCB7}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "{547DDE29-2299-4C8F-B613-DA17A62CF102}" at "HKEY_CLASSES_ROOT\TypeLib\".
A key in HKEY_CLASSES_ROOT\ named "BHO.Adware", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "BHO.Adware.1", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "BHO.Hider", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "BHO.Hider.1", plus associated values.
Delete the registry key "{09D98DB3-217F-4a37-950F-7FA1B08CE2B6}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{55BE9F0D-6CAF-4c3e-B125-5A13A8C9D0EC}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{5679B16C-CD3A-471F-A503-25C528A3AD26}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{89E9F6CF-6F80-4C5E-B8E8-78E5A6B5D3BF}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{4DFD0B10-93DB-4D7E-9B34-3D92CA493BE4}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "Netstat" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\".
Delete the registry key "{55BE9F0D-6CAF-4c3e-B125-5A13A8C9D0EC}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\".
Delete the registry key "Webext" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\".
If Adware.Webext 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.