"I'll bet You have" Anyhow this type of threat steals SS's of Passwords by malware software gadget facebook virus hacking & Credit Card #'s ect. almost like hauschka without borders a keylogger but instead of using text it uses Gif's & JPeg's & because none of what You've named as "the best setup" celtic news will see let alone stop this type of anti malware doctor google adsense,I felt obligated to share the tools which I found to work best at this type of problem.
There's a low overhead solution to this threat & it's named "SnoopFree Privacy Shield" it runs resident & will prevent yet another less than obvious avenue of attack.
Also with the new wave of RootKit attacks one actually needs a Pre-Boot Level Scanner/Monitor that checks Windows at a Pre-Boot Stage, for this check out UnHack-Me. These are different types of threats that one truly needs to be concerned with.
agree as far as free stuff, mbam and sas are the best. spybot is a close third. these three will get most of the stuff on your computer. still not as much as webroot spysweeper or stopzilla though. havent tried spyware doctor or counterspy, they are supposed to be about the same as as webroot and stopzilla. these cost money though...... ;) also these paid ones i mentioned offer (EFFECTIVE) real-time coverage and stop spyware from latching on to your computer. i dont think any free will do this well....