ok, well here is what u want to do, nto reinstall ME becuase their is better out there, ME is considered one of the worse OS's in my opinion, but if it works for you, go with it.
But, did you try a virus scan to get rid of the virus first?
P4 2.5 Ghz/socket 478/400FSB/512L2
512 megs PC800 Rambus
ABIT TH7II-Raid mobo
128MB Nvidia FX 5200 Home Theatre w/TV out and Remote
80 Gig Western Digital/8mb Cache/7200 RPM\'s
20 gig Fujitsu/2mb Cache/5400 RPM\'s