Try HitmanPro2 -
http://www.hitmanpro.nl/
Freeware - its an all-in-one app that automates the downloading, installing, updating and running of six different anti-spyware programs.
Combine all six of these and you catch darn near EVERYTHING that's
floating around out there.
The initial install and system scan takes quite a while, but it'll catch damn near everything.