| Threat Alias | Number of Incidents |
| Virus.Win32.Virut.q [Kaspersky Lab] | 106 |
| W32.Virut.U [Symantec] | 104 |
| PE_VIRUT.XO [Trend Micro] | 103 |
| W32/Virut.gen [McAfee] | 98 |
| Win32.Virut.Gen.5 [PC Tools] | 95 |
| W32/Vetor-A [Sophos] | 94 |
| Win32/Virut.D [AhnLab] | 54 |
| Virus.Win32.Virut [Ikarus] | 32 |
| Virus.Win32.Sality [Ikarus] | 18 |
| Trojan-Downloader.Win32.VB.bbi [Ikarus] | 10 |
| Mal/EncPk-BW, W32/Vetor-A [Sophos] | 5 |
| PWS-Banker.gen.aa [McAfee] | 4 |
| Spam-Mailbot [McAfee] | 4 |
| Email-Worm.Win32.Runouce.b [Kaspersky Lab] | 3 |
| Mal/Behav-164, W32/Vetor-A [Sophos] | 3 |
| PE_Chir.B [Trend Micro] | 3 |
| W32.SillyFDC [Symantec] | 3 |
| W32/Chir.b@MM [McAfee] | 3 |
| W32/Chir-B [Sophos] | 3 |
| not-a-virus:Porn-Dialer.Win32.Agent.bk [Ikarus] | 2 |
| W32.Rajump [Symantec] | 2 |
| Win32/ChiHack.6652 [AhnLab] | 2 |
| Win32/Virut.C [AhnLab] | 2 |
| Win-Trojan/Downloader.11264.GK [AhnLab] | 2 |
| Win-Trojan/Downloader.8704.XA [AhnLab] | 2 |
| Win-Trojan/Xema.variant [AhnLab] | 2 |
| Backdoor.Win32.IRCBot [Ikarus] | 1 |
| Backdoor.Win32.mIRC-based.k [Ikarus] | 1 |
| Backdoor.Wootbot.YZ [PC Tools] | 1 |
| Email-Worm.Win32.Generic [Ikarus] | 1 |
| Email-Worm.Win32.Joleee.bed [Kaspersky Lab] | 1 |
| FakeAlert-AG.gen.c [McAfee] | 1 |
| JS.Chir.B [PC Tools] | 1 |
| Mal/Dorf-E, W32/Vetor-A [Sophos] | 1 |
| Mal/Generic-A [Sophos] | 1 |
| Mal/HckPk-A [Sophos] | 1 |
| Mal/Pushdo-A, W32/Vetor-A [Sophos] | 1 |
| Mal/TibsPak, W32/Vetor-A [Sophos] | 1 |
| Mal_MLWR-5 [Trend Micro] | 1 |
| Net-Worm.Win32.Allaple.a [Ikarus] | 1 |
| P2P-Worm.Win32.SpyBot.gl [Ikarus] | 1 |
| PE_MADANGEL.D [Trend Micro] | 1 |
| TROJ_NUWAR.DDJ [Trend Micro] | 1 |
| Trojan.Agent.VYJ [PC Tools] | 1 |
| Trojan.DL.AutoIt.DO [PC Tools] | 1 |
| Trojan.FakeAV [Symantec] | 1 |
| Trojan.Inject [Ikarus] | 1 |
| Trojan.Win32.Pakes.cob [Kaspersky Lab] | 1 |
| Trojan-Dropper.Kobcka [Ikarus] | 1 |
| Trojan-Dropper.Win32.Autoit [Ikarus] | 1 |
| Trojan-Spy.Ardamax.J [Ikarus] | 1 |
| TrojanSpy.Ardamax.WQ [PC Tools] | 1 |
| Virus.Win32.Hupigon.MAP [Ikarus] | 1 |
| Virus.Win32.PurityScan.AF [Ikarus] | 1 |
| Virus.Win32.Small [Ikarus] | 1 |
| Virus.Win32.Small.l [Kaspersky Lab] | 1 |
| Virus.Win32.VB.bg [Ikarus] | 1 |
| Virus.Win32.Virut.bt [Ikarus] | 1 |
| Virus.Win32.Virut.q [Ikarus] | 1 |
| Virus.Worm.Win32.AutoRun.doq [Ikarus] | 1 |
| W32.Chir.B@mm [Symantec] | 1 |
| W32.Madangel [Symantec] | 1 |
| W32.Svich [Symantec] | 1 |
| W32/Dref-AW [Sophos] | 1 |
| W32/Madangel.b [McAfee] | 1 |
| W32/Madang-Fam [Sophos] | 1 |
| Win32.Cadoiac.A [Ikarus] | 1 |
| Win32.Virtob.2 [Ikarus] | 1 |
| Win-Trojan/Agent.11264.JZ [AhnLab] | 1 |
| Win-Trojan/Agent.36352.GC [AhnLab] | 1 |
| Win-Trojan/Agent.9216.FL [AhnLab] | 1 |
| Win-Trojan/Mirc-based.705312 [AhnLab] | 1 |
| Win-Trojan/Spambot.7680 [AhnLab] | 1 |
| Worm.AutoIT.V [PC Tools] | 1 |
| Worm.IRCBot.GP [PC Tools] | 1 |
| Worm.VB.FMU [PC Tools] | 1 |