Try doing the following in safe mode (If safe mode hasn't been hacked by the virus). Also, end all malicious processes from task manager and remove them from msconfig before trying these out.
Try Malwarebytes Anti-malware. Download it here:*www.malwarebytes.org/mbam.php
If it doesn't work, try an online scan. There are many services available. Here's an example: *www.mcafee.com/freescan
Keep in mind that Win32.Virut is a very intelligent virus. It was created by the makers of virut. If you have been infected for long, chances are, the antivirus measures will have no chance. In that case, try this (CAUTION: Tedious task ahead) :*www.informationweek.com/news/windows/showArticle.jhtml?articleID=189400897.