Symptoms in a HijackThis Log:
F0 - system.ini: Shell=explorer.exe load.exe -dontrunold
Download McAfee Stinger
Reboot your computer into Safe Mode
Then run the Mcafee Stinger. When it is done you should no longer have the Nimda Virus.
BleepingComputer.com can not be held responsible for problems that may occur by using this information. If you would like help with any of these fixes, you can post a HijackThis log in our HijackThis Logs and Analysis forum.
If you have any questions about this self-help guide then please post those questions in our AntiVirus, Firewall and Privacy Products and Protection Methods forum and someone will help you.