I thought we had a thread on this, maybe from Scoob. Mine isnt going to as long but its stuff Ive used. Please add links for useful tools.
Free AV that works:
Microsoft Security Essentials
Anti Malware Tools:
Spybot Search and Destroy
Mac AV. I recommend all Mac users run AV if they forward or send anything they downloaded in an email to there Windows friends. I have not used any of these except for Clam.
ClamAV also good for Linux.
Ill add more as I remember them, feel free to add what you use.
I SSH'ed into Mordor.