Update - ran AVG in Safe Mode (could not run in Normal). I also disabled suspicious looking executables running from the temp directory from the Msconfig startup tab. Now Windows won't start up at...

I'm sorry for abandoning this thread - the user decided her university's IT department knew better than I did and reformatted the PC without checking with me first. Of course, they didn't back up...

Update - I ran MWB again - no infections found. But the computer is still spamming. Short of a reformat - any other utilities that I could try?

My friend's PC is infected with some kind of trojan that is spamming out AIM messages to users on her buddy list - but I can't seem to find any trace of Virtumonde on her system. I'll be running...