| Threat Alias | Number of Incidents |
| Win-Trojan/Xema.variant [AhnLab] | 62 |
| Trojan Horse [Symantec] | 60 |
| Mal/Generic-A [Sophos] | 36 |
| Trojan:Win32/Puzlice.A [Microsoft] | 36 |
| Adclicker-GV [McAfee] | 35 |
| Troj/VB-EHN [Sophos] | 31 |
| Trojan-Spy.Win32.VB.bzc [Kaspersky Lab] | 30 |
| Downloader [Symantec] | 23 |
| Generic Dropper!bdl [McAfee] | 16 |
| Trojan-Dropper.Win32.VB.afbw [Kaspersky Lab] | 16 |
| Virus.Win32.Virut.ce [Kaspersky Lab] | 16 |
| W32/Scribble-B [Sophos] | 16 |
| Win32/Virut.F [AhnLab] | 16 |
| Generic PWS.y [McAfee] | 13 |
| TrojanDropper:Win32/Puzlice.A [Microsoft] | 13 |
| Troj/VB-EJN [Sophos] | 12 |
| W32.Virut.CF [Symantec] | 11 |
| Downloader.Generic [PC Tools] | 10 |
| Trojan-Dropper.Win32.VB.mvl [Kaspersky Lab] | 9 |
| Trojan-Spy.Win32.VB.bsr [Kaspersky Lab] | 9 |
| Infostealer [Symantec] | 8 |
| Trojan.Generic [PC Tools] | 8 |
| W32/Virut.n.gen [McAfee] | 8 |
| Win-Trojan/MulDrop.77824 [AhnLab] | 8 |
| VirTool:Win32/VBInject.AJ [Microsoft] | 7 |
| Mal/EncPk-IA, Mal/HckPk-A [Sophos] | 6 |
| Mal/VB-Z, Mal/Behav-211 [Sophos] | 6 |
| Trojan:Win32/Meredrop [Microsoft] | 6 |
| Trojan-Spy.Win32.VB.awy [Kaspersky Lab] | 6 |
| Trojan-Spy.Win32.VB.bfo [Kaspersky Lab] | 6 |
| VirTool:Win32/Selcrypt.A [Microsoft] | 6 |
| Virus:Win32/Virut.BM [Microsoft] | 6 |
| Generic.dx [McAfee] | 5 |
| PWS:Win32/Ldpinch.BC [Microsoft] | 5 |
| Trojan-Spy.VB!sd6 [PC Tools] | 5 |
| Adware.BetterInternet [Symantec] | 4 |
| Troj/PWS-AWP [Sophos] | 4 |
| Trojan.Win32.VB.taw [Kaspersky Lab] | 4 |
| Trojan-Dropper.Win32.Agent.aven [Kaspersky Lab] | 4 |
| Trojan-Spy.Win32.VB.aaf [Kaspersky Lab] | 4 |
| Trojan-Spy.Win32.VB.aza [Kaspersky Lab] | 4 |
| Trojan-Spy.Win32.VB.bqa [Kaspersky Lab] | 4 |
| Trojan-Spy.Win32.VB.bvw [Kaspersky Lab] | 4 |
| Generic Dropper!bcs [McAfee] | 3 |
| Backdoor.Bifrose [Symantec] | 2 |
| Generic PWS.y!dp [McAfee] | 2 |
| Generic.dx!zg [McAfee] | 2 |
| Htool-FishingBait [McAfee] | 2 |
| Mal/HckPk-A [Sophos] | 2 |
| New Malware.bl [McAfee] | 2 |
| Spyware.Screenspy [Symantec] | 2 |
| Suspicious.MH690 [Symantec] | 2 |
| Troj/SDF-Gen [Sophos] | 2 |
| Trojan.Win32.Refroso.cxc [Kaspersky Lab] | 2 |
| Trojan.Win32.VB.jej [Kaspersky Lab] | 2 |
| Trojan-Dropper.VB.iyv [PC Tools] | 2 |
| Trojan-Spy.Win32.VB.bcd [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.VB.blt [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.VB.blv [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.VB.bxe [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.VB.bxy [Kaspersky Lab] | 2 |
| VirTool:Win32/VBInject.AU [Microsoft] | 2 |
| VirTool:Win32/VBInject.gen!AP [Microsoft] | 2 |
| Virus.Win32.Virut.q [Kaspersky Lab] | 2 |
| W32.IRCBot [Symantec] | 2 |
| W32/Vbbot [McAfee] | 2 |
| Win32/IRCBot.worm.90836 [AhnLab] | 2 |
| Worm:Win32/Flibot.gen!A [Microsoft] | 2 |
| Backdoor.IRCBot!sd6 [PC Tools] | 1 |
| Backdoor:Win32/Poisonivy.E [Microsoft] | 1 |
| BackDoor-CWW [McAfee] | 1 |
| BKDR_CIADOOR.BP [Trend Micro] | 1 |
| Downloader.Trojan [Symantec] | 1 |
| Downloader-BRI [McAfee] | 1 |
| Dropper/Agent.125952.H [AhnLab] | 1 |
| Dropper/Agent.128000.K [AhnLab] | 1 |
| Dropper/Agent.245760.J [AhnLab] | 1 |
| Dropper/Xema.23040.V [AhnLab] | 1 |
| Generic Dropper [McAfee] | 1 |
| Generic Dropper!es [McAfee] | 1 |
| Generic Dropper!qc [McAfee] | 1 |
| Generic PWS.o [McAfee] | 1 |
| Generic PWS.y!dk [McAfee] | 1 |
| Generic PWS.y!xr [McAfee] | 1 |
| Generic Qhost!a [McAfee] | 1 |
| Generic.dx!tg [McAfee] | 1 |
| Generic.dx!tz [McAfee] | 1 |
| Infostealer.Refest [Symantec] | 1 |
| Mal/Behav-109 [Sophos] | 1 |
| Mal/Emogen-G [Sophos] | 1 |
| Mal/Emogen-H [Sophos] | 1 |
| Mal/HckPk-A, Mal/Sality-B [Sophos] | 1 |
| Mal/StartP-A, Mal/Emogen-H [Sophos] | 1 |
| Mal/TibsPk-A, Mal/Packer, Mal/EncPk-BA [Sophos] | 1 |
| Mal/VB-G [Sophos] | 1 |
| Mal/VBSpy-A [Sophos] | 1 |
| New Win32 [McAfee] | 1 |
| PE_SALITY.BU [Trend Micro] | 1 |
| PE_VIRUT.XO [Trend Micro] | 1 |
| PE_VIRUX.A-1 [Trend Micro] | 1 |