PDA

View Full Version : Manual Removal Guide for Win32.Cosmu.gen



Friday
2011-01-19, 13:48
The following instructions have been created to help you to get rid of "Win32.Cosmu.gen" 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
downloader

Description:
Win32.Cosmu.gen opens several connections to the internet. It downloads and installs several other malware on the system. It is able to replace all executable files on the drive.
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 "recovery" and pointing to "<$SYSDIR>\*.exe".

Files:

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

The file at "<$APPDATA>\Mozilla\Firefox\Profiles\anibwtkr.default\extensions\{8919CE9F-23FD-411a-A2D3-A91DAC20C4FA}\chrome.manifest".
The file at "<$APPDATA>\Mozilla\Firefox\Profiles\anibwtkr.default\extensions\{8919CE9F-23FD-411a-A2D3-A91DAC20C4FA}\components\checkupdate.exe".
The file at "<$APPDATA>\Mozilla\Firefox\Profiles\anibwtkr.default\extensions\{8919CE9F-23FD-411a-A2D3-A91DAC20C4FA}\components\galaxy.dll".
The file at "<$APPDATA>\Mozilla\Firefox\Profiles\anibwtkr.default\extensions\{8919CE9F-23FD-411a-A2D3-A91DAC20C4FA}\components\glxcodec.exe".
The file at "<$APPDATA>\Mozilla\Firefox\Profiles\anibwtkr.default\extensions\{8919CE9F-23FD-411a-A2D3-A91DAC20C4FA}\components\IGalaxyComponent.xpt".
The file at "<$APPDATA>\Mozilla\Firefox\Profiles\anibwtkr.default\extensions\{8919CE9F-23FD-411a-A2D3-A91DAC20C4FA}\content\fsoverlay.js".
The file at "<$APPDATA>\Mozilla\Firefox\Profiles\anibwtkr.default\extensions\{8919CE9F-23FD-411a-A2D3-A91DAC20C4FA}\content\fsoverlay.xul".
The file at "<$APPDATA>\Mozilla\Firefox\Profiles\anibwtkr.default\extensions\{8919CE9F-23FD-411a-A2D3-A91DAC20C4FA}\install.rdf".
The file at "<$COMMONDOCUMENTS>\ntuser{4CB43D7F-7EEE-4906-8698-60DA70737200}.pol".
Make sure you set your file manager to display hidden and system files. If Win32.Cosmu.gen 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.

Folders:

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

The directory at "<$APPDATA>\Mozilla\Firefox\Profiles\anibwtkr.default\extensions\{8919CE9F-23FD-411a-A2D3-A91DAC20C4FA}\components".
The directory at "<$APPDATA>\Mozilla\Firefox\Profiles\anibwtkr.default\extensions\{8919CE9F-23FD-411a-A2D3-A91DAC20C4FA}\content".
The directory at "<$APPDATA>\Mozilla\Firefox\Profiles\anibwtkr.default\extensions\{8919CE9F-23FD-411a-A2D3-A91DAC20C4FA}".
Make sure you set your file manager to display hidden and system files. If Win32.Cosmu.gen 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 folders!

Registry:

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

Delete the registry key "{22d7f312-b0f6-11d2-94ab-0080c33c7e95}" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\".
Delete the registry key "SpoolCDS" at "HKEY_LOCAL_MACHINE\SOFTWARE\Google\".
Delete the registry key "spoolcds" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Print\Providers\".
Delete the registry key "spoolcds" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\Control\Print\Providers\".
Delete the registry key "spoolcds" at "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet003\Control\Print\Providers\".
Delete the registry value "recovery" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run\".
If Win32.Cosmu.gen 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.