I doubt that you have tried everything.
Any information to help us to help you would be great.
- What OS are you using? is it up to date?
- What avast! version and VPS file (virus database) number, e.g. 0436-4 (see about avast!)
- What was the virus name, what was the filename, where was it found
example (C:\windows\system32\infected-filename.xxx)?
- What actions have you taken to try and resolve the problem?
Visit Eddy's
Website click the "HiJackThis Section" and also the "Malware removal instructions and applications" section, and follow the directions there and get back to us if you need more help....