What is the best free malware remover?

need to remove spyware virus several Allert 2008 (SAV)

I strongly recommend Threat fire because it use very little system resources (5 MB of RAM) and it will not slow down your system. It offers protection against all types of Internet threats – both known and unknown – spyware, Adware, keyloggers, viruses, worms, Trojans, rootkits, overruns buffer and other malware. http://www.threatfire.com/

Malware Removal.wmv