Ad-aware is a free multi spyware-removal utility. It scans your system for advertising parasites and lets you remove them safely. New in this version : Webhancer, DSSAgent and Alexa removal, Command line parameters, automatic scanning etc. Freeware for Win9x/2000. The following advertising systems are detected by Ad-aware 4.0:Adware, Alexa, Aureate v1.0, 2.0, and 3.0, Comet Cursor v1.0 and 2.0, Cydoor, Doubleclick, DSSAgent, Flyswat, Gator, TimeSink v1.0 and 2.0, Web3000, and Webhancer.