Are you sure it's sality infection? If so, we can't help you. Sality family are file viruses - to get rid of them you should check your PC with antivirus several times, better having started in the safe mode. A live CD could also work very well, such as DrWeb liveCD, for example.
Besides, we can help you with nothing without logs. Please, will you read and follow the rules of "Help me!" section?