Be sure to delete all restore points by shutting down system restore. The virus is present in them also. It regenerates from those files. +1 to Electro; if you want to know it is 100% gone and your system is secure format and do a clean install. Back up data you want to keep to an external drive, cd's or other media. Disconnect it when you install then scan those files before returning them to your new squeaky clean system. What AV were you using?