Caution - Use at your own risk. Beware that some of these tools directly edit your registry. Do your self a big favor and back up your registry before using these tools.

Spyware Scanners

AdAware

ADS Remover

CW Shredder

Hijack This

Kill Box

Kill ToMe

My PC Tuneup Remover

Spybot

SpywareStrike Remover

Tmas

VX2 Cleaner

Wild Tangent Remover

Root Kit Scanners

Aries Remover

Vitumonde remover

Win32 Pipeline Remover

Tools

Winsock Fix