many of them also download tons of spyware and other Malware. Run Adaware SE & Spybot 1.4 scans if you have them. Let fix all. (If you don't have , there are links for them on this sites Virus & Security Alerts page. See in Bob Profitts post "Anti-Parasite Suite" pinned on 1st page). You could also get free 30 day trial versons of trojan specialty scanners from Moosoft.com or Trojan Hunter from www.trojanhunter.com
Additionally : Have you tried a system restore point(or are they also corrupted by the trojan)? How about the settings in the Display in control panel? Any changed (especially the resoloution numbers)? Did you remember to disable/unload your AV before installing drivers to prevent corruption?
Hope something here helps ! 
P.S.: Could it be an awful coincidence death of monitor?
It all started yesterday, my screen flickered and dead pixels were showing up everywhere. Maya 6 PLE's (installed last year so not the problem) rotate gizmo was distorted on a severe scale. tried virus scanner, turned up one trojan, deleted, still have a problem, reinstalled video drivers, screen drivers. Started after my younger brother downloaded a shifty couple of programs that emulate nintendo 64 games, called project 64, 1964 and two perfect dark roms, anyone heard of any of these programs causing trouble? I deleted them but still having problems.
System is Pentium 4 1.6 Ghz, 768MB Ram, Ati radeon 9550 graphics chip, Windows XP Home edition, screen is Samsung 76E CRT screen.
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