By Malwarebytes
For Everybody

Malwarebytes' Anti-Malware is an anti-malware application that can thoroughly remove even the most advanced malware. It includes a number of features, including a built in protection monitor that blocks malicious processes before they even start.

For additional information, please refer to: Malwarebytes: LSU Overview.

Spybot Search & Destroy
By Safer-Networking Ltd.
For Everybody

Spybot scans your computer's memory, registry and hard drives for known spyware components and removes them.

For additional information, see : Spybot 1.6: LSU overview.

By BrightFort
For Everybody

SpywareBlaster can help keep your system spyware-free and secure, without interfering with the "good side" of the web. And unlike other programs, it does not have to remain running in the background. Prevent the installation of ActiveX-based spyware, adware, browser hijackers, dialers, and other potentially unwanted software. Block spyware/tracking cookies in Internet Explorer and Mozilla/Firefox.