Friday
2008-11-29, 16:00
The following instructions have been created to help you to get rid of "Downloader.Tsupdate.L" 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:
Downloader.Tsupdate.L connect to the internet without giving the user a possibility to cancel that process and downloads Network Monitor, YazzleSnowball_Wars, Zlob.CommandService, Targetserver etc.
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 "omfk" and pointing to "<$COMMONPROGRAMFILES>\omfk\omfkm.exe".
Files:
Please use Windows Explorer or another file manager of your choice to locate and delete these files.
The file at "<$COMMONPROGRAMFILES>\omfk\omfka.exe".
The file at "c:\windows\drsmartload2.dat".
The file at "c:\windows\MTE3NDI6ODoxNg.exe".
The file at "<$PROGRAMFILES>\Common Files\misc001\Mendoza.exe".
The file at "<$PROGRAMFILES>\Common Files\simtest\svchostsys.bat".
The file at "<$PROGRAMFILES>\Common Files\simtest\sysstall.exe".
The file at "<$PROGRAMFILES>\Common Files\simtest\temp.txt".
The file at "<$PROGRAMFILES>\Common Files\svchostsys\ICSharpCode.SharpZipLib.dll".
The file at "<$PROGRAMFILES>\Common Files\svchostsys\svchostsys.exe".
The file at "<$PROGRAMFILES>\Common Files\svchostsys\svchostsys.exe.config".
The file at "<$PROGRAMFILES>\Common Files\svchostsys\svchostupdate.exe".
The file at "<$PROGRAMFILES>\Common Files\svchostsys\svchostupdate.exe.config".
The file at "<$PROGRAMFILES>\Common Files\svchostsys\Version.txt".
The file at "<$COMMONPROGRAMFILES>\omfk\omfka.exe".
The file at "<$COMMONPROGRAMFILES>\omfk\omfkd\class-barrel".
The file at "<$COMMONPROGRAMFILES>\omfk\omfkd\omfkc.dll".
The file at "<$COMMONPROGRAMFILES>\omfk\omfkd\vocabulary".
The file at "c:\drsmartload1.exe".
The file at "c:\kybrdb_2.exe".
The file at "c:\nwnmb_2.exe".
The file at "<$SYSDIR>\atmtd.dll".
The file at "<$SYSDIR>\atmtd.dll._".
The file at "<$SYSDIR>\fld86e72.dll".
The file at "<$SYSDIR>\fld86e72.sys".
The file at "<$SYSDIR>\dhprpres.dll".
The file at "<$SYSDIR>\guard.tmp".
Make sure you set your file manager to display hidden and system files. If Downloader.Tsupdate.L 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 "<$COMMONPROGRAMFILES>\omfk\omfkd".
The directory at "<$COMMONPROGRAMFILES>\omfk\omfkd".
The directory at "<$PROGRAMFILES>\Common Files\misc001".
The directory at "<$PROGRAMFILES>\Common Files\simtest".
The directory at "<$PROGRAMFILES>\Common Files\svchostsys".
The directory at "<$COMMONPROGRAMFILES>\omfk".
The directory at "<$WINDIR>\omfk".
Make sure you set your file manager to display hidden and system files. If Downloader.Tsupdate.L 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 "qmrz" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "qmrz" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry key "{B18A9858-1FC5-4E7B-8BC0-8772AE8D75DC}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{BEA8838A-E7C9-4541-B8C4-C49E3D102E37}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "Heua" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry key "omfk" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry value "www.adnet-plus.com" at "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\New Windows\Allow\".
Delete the registry value "www.firstgoodsearch.com" at "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\New Windows\Allow\".
If Downloader.Tsupdate.L 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.
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:
Downloader.Tsupdate.L connect to the internet without giving the user a possibility to cancel that process and downloads Network Monitor, YazzleSnowball_Wars, Zlob.CommandService, Targetserver etc.
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 "omfk" and pointing to "<$COMMONPROGRAMFILES>\omfk\omfkm.exe".
Files:
Please use Windows Explorer or another file manager of your choice to locate and delete these files.
The file at "<$COMMONPROGRAMFILES>\omfk\omfka.exe".
The file at "c:\windows\drsmartload2.dat".
The file at "c:\windows\MTE3NDI6ODoxNg.exe".
The file at "<$PROGRAMFILES>\Common Files\misc001\Mendoza.exe".
The file at "<$PROGRAMFILES>\Common Files\simtest\svchostsys.bat".
The file at "<$PROGRAMFILES>\Common Files\simtest\sysstall.exe".
The file at "<$PROGRAMFILES>\Common Files\simtest\temp.txt".
The file at "<$PROGRAMFILES>\Common Files\svchostsys\ICSharpCode.SharpZipLib.dll".
The file at "<$PROGRAMFILES>\Common Files\svchostsys\svchostsys.exe".
The file at "<$PROGRAMFILES>\Common Files\svchostsys\svchostsys.exe.config".
The file at "<$PROGRAMFILES>\Common Files\svchostsys\svchostupdate.exe".
The file at "<$PROGRAMFILES>\Common Files\svchostsys\svchostupdate.exe.config".
The file at "<$PROGRAMFILES>\Common Files\svchostsys\Version.txt".
The file at "<$COMMONPROGRAMFILES>\omfk\omfka.exe".
The file at "<$COMMONPROGRAMFILES>\omfk\omfkd\class-barrel".
The file at "<$COMMONPROGRAMFILES>\omfk\omfkd\omfkc.dll".
The file at "<$COMMONPROGRAMFILES>\omfk\omfkd\vocabulary".
The file at "c:\drsmartload1.exe".
The file at "c:\kybrdb_2.exe".
The file at "c:\nwnmb_2.exe".
The file at "<$SYSDIR>\atmtd.dll".
The file at "<$SYSDIR>\atmtd.dll._".
The file at "<$SYSDIR>\fld86e72.dll".
The file at "<$SYSDIR>\fld86e72.sys".
The file at "<$SYSDIR>\dhprpres.dll".
The file at "<$SYSDIR>\guard.tmp".
Make sure you set your file manager to display hidden and system files. If Downloader.Tsupdate.L uses rootkit technologies, use our RootAlyzer (http://forums.spybot.info/downloads.php?id=8) or our Total Commander anti-rootkit plugins (http://forums.spybot.info/downloads.php?id=3).
You will have to use a global search for files without a name specified. Be extra careful, because just the name might not be enough to identify files!
Important: There are more files that cannot be safely described in simple words. Please use Spybot-S&D (http://www.safer-networking.org/index.php?page=spybotsd) to remove them.
Folders:
Please use Windows Explorer or another file manager of your choice to locate and delete these folders.
The directory at "<$COMMONPROGRAMFILES>\omfk\omfkd".
The directory at "<$COMMONPROGRAMFILES>\omfk\omfkd".
The directory at "<$PROGRAMFILES>\Common Files\misc001".
The directory at "<$PROGRAMFILES>\Common Files\simtest".
The directory at "<$PROGRAMFILES>\Common Files\svchostsys".
The directory at "<$COMMONPROGRAMFILES>\omfk".
The directory at "<$WINDIR>\omfk".
Make sure you set your file manager to display hidden and system files. If Downloader.Tsupdate.L 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 "qmrz" at "HKEY_CURRENT_USER\Software\".
Delete the registry key "qmrz" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry key "{B18A9858-1FC5-4E7B-8BC0-8772AE8D75DC}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "{BEA8838A-E7C9-4541-B8C4-C49E3D102E37}" at "HKEY_CLASSES_ROOT\CLSID\".
Delete the registry key "Heua" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry key "omfk" at "HKEY_LOCAL_MACHINE\SOFTWARE\".
Delete the registry value "www.adnet-plus.com" at "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\New Windows\Allow\".
Delete the registry value "www.firstgoodsearch.com" at "HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\New Windows\Allow\".
If Downloader.Tsupdate.L 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.