Jan
If you are running Windows 2000 or Windows XP try this. Do not use on older operating systems.
Follow the directions carefully.Click here to download the trial version of Ewido Security Suite:
http://www.ewido.net/en/download/
Install Ewido.
During the installation, under “Additional Options” uncheck “Install background guard” and “Install scan via context menu”.
Start ewido.
Look for the update tab on the left on the screen, and update the program to the latest definitions
DO NOT run a scan yet.Restart your computer into Safe Mode now.
(Start tapping the F8 key at Startup, before the Windows logo screen).
Perform the following steps in Safe Mode:Start Ewido:
Click on scanner
Do a COMPLETE SYSTEM SCAN.
During the scan you will see a prompt asking you to clean files, click OK. You can check the bottom box to “perform the same action on all infections”This scan make take some time, so be patient.
It may be helpful to turn off your system restore before you scan. Most infections return upon reboot because they are stored in the restore files.
Just a little fix - use safe mode for all operations.
(via Yahoo.Answers!)