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View Full Version : Manual Removal Guide for Zlob.Downloader.bs



Friday
2009-01-10, 21:17
The following instructions have been created to help you to get rid of "Zlob.Downloader.bs" 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:
Installs a library to the windows directory and creates an autorun entry. File links to rogue malware sites.
Removal Instructions:

Files:

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

The file at "<$WINDIR>\vbgtorfd.dll".
The file at "<$WINDIR>\rs.txt".
The file at "<$WINDIR>\rs.txt".
The file at "<$WINDIR>\bdmanager.dll".
A file with an unknown location named "bdmanager.dll".
Make sure you set your file manager to display hidden and system files. If Zlob.Downloader.bs 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 value "vbgtorfd" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Delete the registry key "{038DA49F-002C-461D-95C0-1CD40E20C77E}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{1F35B868-8ED1-404A-890C-BC5C48D4C4DF}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{56C9A2AA-3AF3-4C02-BB92-5DD436CA4642}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{66D31A70-9E07-41CD-9482-2F819B9BE7CB}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{8A3E5C7E-AEE9-4411-828C-8287EFB95464}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{8EDD9C3F-7AAB-4A50-9F7E-2DE6F3E293C7}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{04E35BAD-037C-4287-A819-359D7B178D8D}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{28F7B1ED-FC83-4EBE-9D91-0292A2149309}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{65C791CA-EEEB-47DE-BC96-27E86C11B85F}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{985C4834-DB9E-4C28-A8FF-65D82EC9ACF4}" at "HKEY_CLASSES_ROOT\Interface\".
Delete the registry key "{FF3FE58C-34E4-4CE8-807A-5E8E9B1EF150}" at "HKEY_CLASSES_ROOT\Interface\".
A key in HKEY_CLASSES_ROOT\ named "sgoblxtm.bnod", plus associated values.
A key in HKEY_CLASSES_ROOT\ named "sgoblxtm.ToolBar.1", plus associated values.
Delete the registry key "{31F44EB4-B527-4450-AE3C-DC9EDBB5D97A}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry key "{D00E3E5D-29B1-42A6-B05F-4C3329F7CACF}" at "HKEY_CLASSES_ROOT\TypeLib\".
Delete the registry value "bokpkov" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Delete the registry value "bdmnopx" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Delete the registry value "bfrgnos" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Delete the registry value "bgntlvo" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Delete the registry value "bklgvsf" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Delete the registry value "bmlvqkn" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Delete the registry value "bvtqfvx" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Delete the registry value "bqxomdo" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Delete the registry value "bxsnvqt" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Delete the registry value "bxlrvps" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
Delete the registry value "bdmanager" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\".
If Zlob.Downloader.bs 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.