| Threat Alias | Number of Incidents |
| Trojan Horse [Symantec] | 415 |
| Mal/Generic-A [Sophos] | 238 |
| Generic.dx [McAfee] | 225 |
| Trojan.Generic [PC Tools] | 165 |
| Win-Trojan/Xema.variant [AhnLab] | 112 |
| Mal/Packer [Sophos] | 94 |
| Trojan.Peed [Ikarus] | 85 |
| Mal/EncPk-GF [Sophos] | 84 |
| Troj/Agent-IHE [Sophos] | 67 |
| Backdoor.Trojan [Symantec] | 47 |
| Trojan.Pakes!sd6 [PC Tools] | 42 |
| Trojan.Win32.Pakes [Ikarus] | 41 |
| Trojan-Dropper.Agent [Ikarus] | 37 |
| Backdoor.Win32.Hupigon [Ikarus] | 28 |
| Trojan.Win32.Pakes.lua [Kaspersky Lab] | 27 |
| Rootkit.Win32.Agent [Ikarus] | 26 |
| Generic.dx!pn [McAfee] | 25 |
| Trojan-Clicker.Win32.Agent.hhi [Kaspersky Lab] | 25 |
| Win-Trojan/Agent.233472.HA [AhnLab] | 25 |
| Hacktool.Rootkit [Symantec] | 24 |
| Rootkit.Win32.Agent.isz [Kaspersky Lab] | 24 |
| Trojan.Win32.FlyStudio.mi [Kaspersky Lab] | 24 |
| Win-Trojan/Agent.4352.G [AhnLab] | 24 |
| Generic Rootkit.dm [McAfee] | 21 |
| Infostealer [Symantec] | 21 |
| Trojan.Win32.Pakes.lue [Kaspersky Lab] | 20 |
| Trojan.Win32.Pakes.luf [Kaspersky Lab] | 20 |
| Win-Trojan/Agent.52038 [AhnLab] | 20 |
| Win-Trojan/Pakes.217088.D [AhnLab] | 18 |
| Generic.d!a [McAfee] | 16 |
| Generic.dx!cw [McAfee] | 16 |
| Generic.dx!dj [McAfee] | 16 |
| not-a-virus.Patch.IDM [Ikarus] | 16 |
| Trojan.Generic [Ikarus] | 16 |
| Backdoor.Trojan [PC Tools] | 15 |
| Generic BackDoor [McAfee] | 14 |
| not-a-virus:AdWare.Win32.SearchAssistant [Ikarus] | 13 |
| Win-Trojan/OnlineGameHack.39424.Z [AhnLab] | 12 |
| Win-Trojan/Pakes.323584.E [AhnLab] | 12 |
| Win-Trojan/Peed.40960.V [AhnLab] | 12 |
| Backdoor.VB.GEN [PC Tools] | 11 |
| Backdoor.Win32.Shark.dxa [Kaspersky Lab] | 11 |
| HackTool.Win32.Patcher.A [Ikarus] | 11 |
| Trojan.Win32.Agent [Ikarus] | 10 |
| Backdoor.Win32.VB [Ikarus] | 9 |
| Generic PWS.y [McAfee] | 9 |
| Hacktool.HideWindow [Symantec] | 9 |
| Suspicious.MH690 [Symantec] | 9 |
| Trojan.Win32.Genome [Ikarus] | 9 |
| Virus.Win32.Trojan [Ikarus] | 9 |
| Mal/EncPk-NB, Mal/EncPk-GF, Mal/EncPk-GF [Sophos] | 8 |
| Win-Trojan/Peed.40960.ES [AhnLab] | 8 |
| Win-Trojan/Peed.73728.AW [AhnLab] | 8 |
| New Malware.aj [McAfee] | 7 |
| Packed/Upack [AhnLab] | 7 |
| Trojan.Packed [Ikarus] | 7 |
| Gen.Trojan [Ikarus] | 6 |
| Troj/FakeAv-XL [Sophos] | 6 |
| Trojan.Fakeavalert [Symantec] | 6 |
| Trojan-Spy.Win32.FlyStudio.byd [Kaspersky Lab] | 6 |
| Win-Trojan/Peed.40960.FL [AhnLab] | 6 |
| Backdoor.Win32.Agent.afub [Kaspersky Lab] | 5 |
| BackDoor-DRV.gen.c [McAfee] | 5 |
| Generic FakeAlert.a [McAfee] | 5 |
| HideRun [McAfee] | 5 |
| not-a-virus:FraudTool.Win32.WinAntiVirus.iv [Kaspersky Lab] | 5 |
| Trojan.Fakealert [Ikarus] | 5 |
| Trojan.Win32.Pasta [Ikarus] | 5 |
| Trojan-Spy.Win32.Agent [Ikarus] | 5 |
| Win-Trojan/FakeAv.163840 [AhnLab] | 5 |
| Backdoor.Agent!sd6 [PC Tools] | 4 |
| Backdoor.Win32.Protux.in [Kaspersky Lab] | 4 |
| BackDoor-EFG [McAfee] | 4 |
| BehavesLike [Ikarus] | 4 |
| Generic StartPage [McAfee] | 4 |
| Generic.dx!cwy [McAfee] | 4 |
| Generic.dx!dp [McAfee] | 4 |
| Generic.dx!fc [McAfee] | 4 |
| Generic.dx!t [McAfee] | 4 |
| HackTool.HideWindows [PC Tools] | 4 |
| Mal/Emogen-H [Sophos] | 4 |
| not-a-virus.Keygen.DivX [Ikarus] | 4 |
| OScope.Dialer.GMHA [Ikarus] | 4 |
| Troj/Protux-Gen [Sophos] | 4 |
| Trojan.Win32.Agent.cbeq [Kaspersky Lab] | 4 |
| Trojan.Win32.Agent.ciox [Kaspersky Lab] | 4 |
| Trojan.Win32.Genome.lhh [Kaspersky Lab] | 4 |
| Trojan-Downloader.Agent [Ikarus] | 4 |
| Trojan-PSW.Generic [PC Tools] | 4 |
| Trojan-PWS.Magania [PC Tools] | 4 |
| Trojan-Spy.Win32.FlyStudio [Ikarus] | 4 |
| Virus.Win32.Horse.O [Ikarus] | 4 |
| Vundo.gen.cg [McAfee] | 4 |
| W32.SillyDC [Symantec] | 4 |
| W32/Generic.d [McAfee] | 4 |
| Win32.SuspectCrc [Ikarus] | 4 |
| Win-Trojan/Agent.11776.ER [AhnLab] | 4 |
| Win-Trojan/Agent.360448.AH [AhnLab] | 4 |
| Win-Trojan/Pasta.73728.C [AhnLab] | 4 |
| Win-Trojan/Peed.40960.CU [AhnLab] | 4 |