Single virus removal tools are available to download for ;-
( please read any attached documentation first )

LOP.AH/Backdoor.Generic3.SVX
Win32/Parite
Win32/Sality
Win32/Kriz
Win32/Elkern, variants A, B and C
Win32/Magistr, variants A and B
I-Worm/Bugbear.C
I-Worm/Mydoom.F
Downloader.Stubby.A
Win32/Valla.2048
Win32/Dupator
I-Worm/Ganda
VBS/Iloveyou
I-Worm/Lovgate.C
I-Worm/Navidad
I-Worm/Nimda
I-Worm/Pretty_Park
I-Worm/Sircam.A
I-Worm/Happy99
W95/Space.1445
I-Worm/Verona.B
I-Worm/Swen