avast! Virus Cleaner is a free tool that removes the most common viruses & worms from your computer

avast! Virus Cleaner is a free tool that will help you remove selected virus & worm infections from your computer. When your computer gets infected by a virus or worm, the virus often schedule itself to be run automatically when you start your operating system; some of them even register themselves to be run when any other application is started. Removing such a worm is not as simple as deleting it - when you just delete the worm file, your operating system might not be able to start your applications (such as Explorer) any more. In order to properly remove the worm from your computer, it is often necessary to make additional fixes in your system registry, delete the links from your Startup Folder etc.