LiUtilities Windows Process Library
Listing of processes commonly found on Windows systems, and their purpose. Includes a large directory of malicious processes with basic descriptions.
http://www.liutilities.com/products/wintaskspro/processlibrary/
PPedia
Encyclopedia of Windows processes including common spyware, adware and viruses.
http://www.ppedia.com/
SANS Institute - Malware FAQ
Grouped by kind of malware: worms, exploit code and trojan horses.
http://www.sans.org/resources/malwarefaq/
Spyware Warrior: Rogue/Suspect Anti-Spyware Products & Web Sites
Products found to not provide proven, reliable anti-spyware protection or found to use unfair, deceptive, high pressure sales tactics and false positives to scare up sales or found to be associated with known distributors of spyware/adware or have been kn
http://www.spywarewarrior.com/rogue_anti-spyware.htm
StopBadware.org
Project being run by Harvard Law School, Oxford University and Consumer Reports WebWatch to develop a clearinghouse for research on badware and those who create and spread it. Includes forms for reporting malware experiences.
http://www.stopbadware.org/