| Threat Alias | Number of Incidents |
| Win32.Virut.Gen.5 [PC Tools] | 66 |
| W32/Vetor-A [Sophos] | 65 |
| W32/Virut.gen [McAfee] | 59 |
| W32.Virut.U [Symantec] | 58 |
| PE_VIRUT.XP [Trend Micro] | 37 |
| Virus.Win32.Virut.q [Kaspersky Lab] | 32 |
| Virus.Win32.Virut.n [Kaspersky Lab] | 27 |
| PE_VIRUT.XS [Trend Micro] | 25 |
| Win32/Virut.D [AhnLab] | 19 |
| Virus.Win32.Sality [Ikarus] | 9 |
| Virus.Win32.Virut.q [Ikarus] | 9 |
| Trojan-Downloader.Win32.VB.bbi [Ikarus] | 8 |
| Email-Worm.Win32.Runouce [Ikarus] | 4 |
| Virus.Win32.Virut [Ikarus] | 4 |
| Win-Trojan/Downloader.11264.GK [AhnLab] | 4 |
| Win-Trojan/Xema.variant [AhnLab] | 4 |
| Email-Worm.Win32.Runouce.b [Kaspersky Lab] | 3 |
| Generic.Sdbot [Ikarus] | 2 |
| PE_Chir.B [Trend Micro] | 2 |
| PWS-Gamania.gen.a [McAfee] | 2 |
| Spy-Agent.bv.gen.b [McAfee] | 2 |
| Trojan.Win32.Delf.bgp [Kaspersky Lab] | 2 |
| Trojan-Downloader.Win32.Cutwail [Ikarus] | 2 |
| W32.Chir.B@mm [Symantec] | 2 |
| W32.Glupzy.A [Symantec] | 2 |
| W32.SillyFDC [Symantec] | 2 |
| W32/Chir.b@MM [McAfee] | 2 |
| W32/Chir-B [Sophos] | 2 |
| Win32/ChiHack.6652 [AhnLab] | 2 |
| Backdoor.Rbot [Ikarus] | 1 |
| Backdoor.Win32.Rbot.hwr [Kaspersky Lab] | 1 |
| Backdoor.Win32.Small.uh [Kaspersky Lab] | 1 |
| BackDoor-DIY [McAfee] | 1 |
| Downloader [Symantec] | 1 |
| Email-Worm.Win32.Brontok [Ikarus] | 1 |
| Email-Worm.Win32.Brontok.N [Ikarus] | 1 |
| Generic PWS.ak [McAfee] | 1 |
| Hider [McAfee] | 1 |
| IM-Worm.Win32.Sohanad.dz [Kaspersky Lab] | 1 |
| Mal/Basine-C, W32/Vetor-A [Sophos] | 1 |
| Mal/Behav-285 [Sophos] | 1 |
| Mal/HckPk-A, Mal/TibsPak, Mal/EncPk-F, W32/Vetor-A [Sophos] | 1 |
| Packer.RLPack.D [Ikarus] | 1 |
| PWS-Gamania.gen.g [McAfee] | 1 |
| Spam-Mailbot [McAfee] | 1 |
| Spammer.Win32.Tedroo.Z [Ikarus] | 1 |
| Trojan.DR.Small.UPY [PC Tools] | 1 |
| Trojan.Hider.G [PC Tools] | 1 |
| Trojan.VB.XFZ [PC Tools] | 1 |
| Trojan.Win32.Agent2.ecb [Kaspersky Lab] | 1 |
| Trojan.Win32.Pakes.cob [Kaspersky Lab] | 1 |
| Trojan.Win32.VB [Ikarus] | 1 |
| Trojan-GameThief.Win32.OnLineGames.yze [Kaspersky Lab] | 1 |
| Virus.Trojan.Win32.VB [Ikarus] | 1 |
| Virus.Win32.Hupigon.MAP [Ikarus] | 1 |
| Virus.Win32.VB.bg [Ikarus] | 1 |
| Virus.Win32.Virut.br [Ikarus] | 1 |
| Virus.Win32.Virut.bt [Ikarus] | 1 |
| Virus.Win32.Virut.o [Ikarus] | 1 |
| Virus.Worm.Win32.AutoRun.doq [Ikarus] | 1 |
| W32.Fakerecy [Symantec] | 1 |
| W32.Gammima [Symantec] | 1 |
| W32.Gammima.AG [Symantec] | 1 |
| W32.Imaut [Symantec] | 1 |
| W32.Imaut.U [Symantec] | 1 |
| W32.IRCBot [Symantec] | 1 |
| W32.Rontokbro@mm [Symantec] | 1 |
| W32.Virut [Ikarus] | 1 |
| W32/Glupzy-B [Sophos] | 1 |
| W32/Sdbot.worm [McAfee] | 1 |
| W32/VB-DZT [Sophos] | 1 |
| W32/Virut.remnants [McAfee] | 1 |
| Win32/ChiHack.worm.10748 [AhnLab] | 1 |
| Win32/IRCBot.worm.variant [AhnLab] | 1 |
| Win32/ReaBot.worm.60929 [AhnLab] | 1 |
| Win32/Sohanad.worm.17920 [AhnLab] | 1 |
| Win-Trojan/Agent.109724 [AhnLab] | 1 |
| Win-Trojan/Agent.11264.JZ [AhnLab] | 1 |
| Win-Trojan/Disabler.21185 [AhnLab] | 1 |
| Win-Trojan/OnlineGameHack.136324 [AhnLab] | 1 |
| Win-Trojan/Xema.240128 [AhnLab] | 1 |
| Worm.Autoit.DU [PC Tools] | 1 |
| Worm.VB.FMU [PC Tools] | 1 |
| Worm.Win32.AutoIt [Ikarus] | 1 |
| WORM_DELF.FKZ [Trend Micro] | 1 |
| WORM_FLASHY.B [Trend Micro] | 1 |