| Threat Alias | Number of Incidents |
| PE_VIRUT.XV [Trend Micro] | 42 |
| W32/Virut [McAfee] | 38 |
| Win32.Virut.Gen.4 [PC Tools] | 34 |
| Bloodhound.Unknown [Symantec] | 26 |
| Virus:Win32/Virut.Q [Microsoft] | 13 |
| W32/Virut-V [Sophos] | 13 |
| W32.Virut.W [Symantec] | 11 |
| Worm.Bobax.AB [PC Tools] | 4 |
| AdWare.Win32.BHO [Ikarus] | 2 |
| Downloader [Symantec] | 2 |
| Trojan.Tiny.MK [PC Tools] | 2 |
| Virus.Win32.Virut.au [Ikarus] | 2 |
| Win32/Virut.B [AhnLab] | 2 |
| BackDoor-CEO [McAfee] | 1 |
| BehavesLikeWin32.ProcessHijack [Ikarus] | 1 |
| Generic.PWS.Games.4 [Ikarus] | 1 |
| PWS-Gamania.gen.a [McAfee] | 1 |
| Qhost-Gen [McAfee] | 1 |
| Trojan.Win32.Qhost.aei [Ikarus] | 1 |
| Trojan-Downloader.Win32.PurityScan.eu [Kaspersky Lab] | 1 |
| Trojan-Dropper.NSIS.Agent.b [Kaspersky Lab] | 1 |
| Trojan-Dropper.Win32.Microjoin [Ikarus] | 1 |
| Virus.Win32.Crypt.CIK [Ikarus] | 1 |
| W32.IRCBot [Symantec] | 1 |
| W32.Spybot.Worm [Symantec] | 1 |
| W32/Virut.gen.a [McAfee] | 1 |
| Worm.PoeBot.LA [PC Tools] | 1 |
| Worm.RBot.UOO [PC Tools] | 1 |