W letter viruses: Scroll down the page and choose the desired name:
W32/Anniv911 worm
W32.Bagle
W32.Bagle.A
W32.Bagle.B
W32.Bagle.C
W32.Bagle.D
W32.Bagle.E
W32.Bagle.F
W32.Bagle.G
W32.Bagle.H
W32.Bagle.I
W32.Bagle.J
W32.Bagle.K
W32.Beagle
W32.Beagle.A
W32.Beagle.B
W32.Beagle.C
W32.Beagle.D
W32.Beagle.E
W32.Beagle.F
W32.Beagle.G
W32.Beagle.H
W32.Beagle.I
W32.Beagle.J
W32.Beagle.K
W32/Bics@mm
W32/Bymer
W32/Chet worm
W32.HLLW.Bymer
W32/Gibe.F@mm
W32/Klez worm
W32/Klez.E worm
W32/Klez.H worm
W32/Klez Help Center
W32/Mimail.A
W32/Mimail.C
W32/Mimail.E
W32/MsInit
W32/MsInit.ini
W32/MsInit.worm
W32/MyDoom
W32/MyDoom.A
W32/MyDoom.B
W32/MyDoom.F
W32/MyDoom.G
W32/Netsky.B
W32/Netsky.C
W32/Netsky.D
W32/Parite
W32/Pinfi
W32/Swen@mm
W32/Magistr@mm
W32/Naked
W32/Sober
W97M/Ethan
W97M/Marker
Welchi
Win32.Bymer
Win32.Bymer.worm
Win32.Bymera.C.unp
Win32.Bymera.D@mm
Win32.HLLW.RC5
Win32.MSInit
Win32.Parite
Win32.RC5
Winevar
Wobbler HOAX
Worm_Blebla
Worm_Bymer
Worm_Dnet
Worm_RC5

Legend: - Apple/Macintosh | - Windows 32-bit systems | - DOS-based systems | - Unix/Linux
Note: a 16-bit system infector may sometimes affect a 32-bit system.

Also see: Hoax Encyclopedia

If you are unable to find a description for a particular virus and you've also determined that it is not listed in the Hoax Encyclopedia, please post a message in the forum.