PDA

View Full Version : Manual Removal Guide for Win32.AutoRun.dcw



Friday
2008-11-29, 21:50
The following instructions have been created to help you to get rid of "Win32.AutoRun.dcw" 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.AutoRun.dcw copies a malicious executable file into the system, windows directories, starts itself in Autorun as "(default)".
Removal Instructions:

Autorun:

Important: There are more autorun entries 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.

Files:

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

The file at "<$WINDIR>\Cursors\Boom.vbs".
The file at "<$SYSDIR>\dllcache\autorun.inf".
Make sure you set your file manager to display hidden and system files. If Win32.AutoRun.dcw 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.

Remove "<$WINDIR>\Fonts\Fonts.exe" from registry value "" at "HKEY_CLASSES_ROOT\MSCFile\Shell\Open\Command\".
Remove "<$WINDIR>\pchealth\Global.exe" from registry value "" at "HKEY_CLASSES_ROOT\regfile\shell\open\command\".
Remove "<$WINDIR>\pchealth\helpctr\binaries\HelpHost.com" from registry value "SCRNSAVE.EXE" at "HKEY_CURRENT_USER\Control Panel\Desktop\".
Delete the registry key "auto.exe" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\".
Delete the registry key "autorun.exe" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\".
Delete the registry key "autoruns.exe" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\".
Delete the registry key "boot.exe" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\".
Delete the registry key "ctfmon.exe" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\".
Delete the registry key "msconfig.exe" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\".
Delete the registry key "procexp.exe" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\".
Remove "<$WINDIR>\Fonts\Fonts.exe" from registry value "sys" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\Run\".
Remove "<$SYSDIR>\dllcache\Default.exe" from registry value "" at "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\".
If Win32.AutoRun.dcw 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.