So far, each time I've encountered a bad virus and made a note of where the files actually were, they were in the system32 folder (for XP).
This is important to me, becuase, believe it or not, I get relatively poor customers who simply cannot afford to have me sit there for 40 minutes while their PC does an antivirus scan. And on three occassions now, , I have gotten rid of the immediate (known) virus or spyware problems by doing a selective scan of the system32 folder.
I know it is BAD BUSINESS not to scan the entire HD, and I tell them this, and show them how to finish the procedure in safe mode.
But LET'S JUST PRETEND that you had 10 minutes to find a virus on a computer (WinXP or Win98), using an antivirus program... Okay?
IN THAT SCENARIO -- which folders would you select to scan? (And if this question is killing you for being foolish -- let's just say it's a PRELIMINARY scan)
(finally - anyone know which folders spybot scans? It can't be doing a full HD scan, it's too fast.)