A2 Free: Spyware removal tool
A2 Free (pronounced a-squared) is a free spyware removal tool created by EMSI software. A-squared free can remove infections of trojans, spyware, adware, worms, keyloggers, rootkits, dialer programs and many other malicious programs. This program also scans the memory for resident spyware.
Here is a screenshot of A2 Free:

A commercial version of A2 Free is also available. It is called a-squared anti-malware and offers more features than A-squared free. For more information about these products see emisoft.com