Spyware Doctor 5.1 could be more aggressive in removing all traces of found spyware.
Pricing not available
Sophos antivirus for Mac is free and detects malware targeting Mac and Windows systems.
Until this recent release, Spyware Doctor was one of the better antispyware choices. Nettlesome glitches and a low rate of spyware removal, however, keep us from recommending Spyware Doctor 5 for now.
OS X Utilities Updates: Web Confidential; Drop Drawers; Sharing is...; IP Monitor; more