So in spite of your best efforts, your PC has been infected by malware. Or perhaps in spite of all of your remonstrations, your mother/brother/boss has installed Bonzi Buddy once again. Problem is, you can lead a horse to water, but you can't make him drink. What do you do next? Get rid of it.
The common prescription for spyware is Ad-Aware and SpyBot. Anecdotal evidence claims this combination to be the most effective, but can that be more formally verified? In the process, we can examine some of the other programs out that are out there for ridding computers of spyware.
We deliberately infected on of the PCs in the Orbiting HQ with a whole host of malware. We then tried Ad-Aware, SpyBot, and a few other applications in an attempt to cleanse our PC as white as snow. Which one did the trick? Read on and find out.

http://arstechnica.com/reviews/apps/spyware-removal.ars