| Threat Alias | Number of Incidents |
| Backdoor.IRC.Bot [Symantec] | 16,233 |
| TROJ_AGENT.ACSF [Trend Micro] | 16,183 |
| Generic.dx [McAfee] | 15,394 |
| Trojan.Win32.Agent.cmn [Kaspersky Lab] | 14,125 |
| Trojan.Win32.Inject.ks [Kaspersky Lab] | 2,916 |
| TROJ_INJECT.DE [Trend Micro] | 2,808 |
| Trojan.Agent!sd5 [PC Tools] | 1,501 |
| Trojan.DL.Loadadv.Gen.2 [PC Tools] | 1,248 |
| Trojan.Win32.Inject.mt [Kaspersky Lab] | 1,248 |
| Packed/FSG [PC Tools] | 1,240 |
| TROJ_MURLO.AA [Trend Micro] | 648 |
| Backdoor:Win32/Rbot [Microsoft] | 215 |
| Troj/Agent-GFL [Sophos] | 215 |
| Trojan.Win32.Agent [Ikarus] | 129 |
| Win-Trojan/Agent.839705 [AhnLab] | 86 |
| Mal/HckPk-C [Sophos] | 72 |
| Trojan Horse [Symantec] | 72 |
| Trojan-Downloader.Win32.Murlo.ji [Kaspersky Lab] | 72 |
| Trojan-Downloader.Win32.Small [Ikarus] | 72 |
| Win-Trojan/Murlo.5120.B [AhnLab] | 72 |
| Adware.Vundo.V.Gen [PC Tools] | 59 |
| Trojan.Agent.DHWQ [PC Tools] | 38 |
| WORM_NUCRP.GEN [Trend Micro] | 33 |
| New Malware.br [McAfee] | 30 |
| Mal/Packer [Sophos] | 20 |
| Trojan.Zlob [Symantec] | 18 |
| Win-Trojan/Xema.variant [AhnLab] | 18 |
| Downloader [Symantec] | 17 |
| Backdoor.Trojan [Symantec] | 13 |
| Mal/Generic-A [Sophos] | 12 |
| not-a-Virus.Hacktool.Patch.vista [Ikarus] | 12 |
| Troj/Mdrop-BXH [Sophos] | 12 |
| TROJ_TIBS.ML [Trend Micro] | 12 |
| Downloader.gen.a [McAfee] | 11 |
| Generic Downloader.x [McAfee] | 11 |
| Generic Dropper [McAfee] | 9 |
| Trojan.AddUser!ct [PC Tools] | 8 |
| Virus.Win32.Small [Ikarus] | 8 |
| Trojan.Buzus!sd6 [PC Tools] | 7 |
| TrojanDownloader:Win32/Tracur.A [Microsoft] | 7 |
| Trojan-Dropper.Win32.VB [Ikarus] | 7 |
| Generic Downloader.x!vn [McAfee] | 6 |
| Infostealer.Gampass [Symantec] | 6 |
| not-a-virus:AdWare.Win32.Virtumonde.bhy [Kaspersky Lab] | 6 |
| Troj/Dloadr-CRZ [Sophos] | 6 |
| Trojan.Win32.Agent.amhc [Kaspersky Lab] | 6 |
| Trojan.Win32.Nebuler [Ikarus] | 6 |
| Trojan-Downloader.Win32.Small.amcd [Kaspersky Lab] | 6 |
| Virus.Win32.Trojan [Ikarus] | 6 |
| Win-Trojan/Downloader.3072.JG [AhnLab] | 6 |
| not-a-virus.patch.Adobe [Ikarus] | 5 |
| Trojan.Win32.Buzus [Ikarus] | 5 |
| Trojan-Downloader.Win32.Small.ddp [Kaspersky Lab] | 5 |
| TrojanDownloader:Win32/Rudeflate.gen!A [Microsoft] | 5 |
| Trojan-Dropper.Agent [Ikarus] | 5 |
| Hacktool [Symantec] | 4 |
| Suspicious.MH690 [Symantec] | 4 |
| Trojan.Crypt [Ikarus] | 4 |
| Trojan.Win32.Monder.rqw [Kaspersky Lab] | 4 |
| Trojan:Win32/Anomaly.gen!G [Microsoft] | 4 |
| Trojan-Downloader.Agent!sd6 [PC Tools] | 4 |
| Trojan-Downloader.Win32.Small.yzt [Kaspersky Lab] | 4 |
| TrojanDownloader:Win32/Troxen!rts [Microsoft] | 4 |
| Trojan-Dropper.Win32.VB.grd [Kaspersky Lab] | 4 |
| AZESearch [McAfee] | 3 |
| Downloader-BCF [McAfee] | 3 |
| Downloader-BMN [McAfee] | 3 |
| not-a-virus.Patch.winrar [Ikarus] | 3 |
| Trojan.DL.Small.VWY [PC Tools] | 3 |
| Trojan.Vundo [Ikarus] | 3 |
| Trojan.Vundo [Symantec] | 3 |
| Trojan.Win32.Buzus.adbl [Kaspersky Lab] | 3 |
| Trojan.Zlob.IXO [PC Tools] | 3 |
| Trojan-Downloader.Small!sd5 [PC Tools] | 3 |
| Trojan-Downloader.Win32.Agent.aseo [Kaspersky Lab] | 3 |
| Vundo.gen.m [McAfee] | 3 |
| Win-Trojan/Agent.41152 [AhnLab] | 3 |
| Adware.Mirar [Symantec] | 2 |
| Backdoor.Generic [Ikarus] | 2 |
| BackDoor-CEP.svr [McAfee] | 2 |
| Mal/EncPk-IY [Sophos] | 2 |
| Mal/EncPk-KW, Mal/EncPk-KW [Sophos] | 2 |
| not-a-Virus.Patch.GoogleEarth [Ikarus] | 2 |
| P2P-Worm.Win32.Nugg [Ikarus] | 2 |
| P2P-Worm.Win32.Nugg.w [Kaspersky Lab] | 2 |
| Packed.Generic.248 [Symantec] | 2 |
| Troj/AdbPat-A [Sophos] | 2 |
| Troj/DwnLdr-HLG [Sophos] | 2 |
| Troj/DwnLdr-HLT [Sophos] | 2 |
| TROJ_DLOADER.NOL [Trend Micro] | 2 |
| TROJ_SMALL.GCS [Trend Micro] | 2 |
| Trojan.Buzus.abpl [Ikarus] | 2 |
| Trojan.DL.Agent.ECVY [PC Tools] | 2 |
| Trojan.Generic [PC Tools] | 2 |
| Trojan.Monder!sd6 [PC Tools] | 2 |
| Trojan.Obfuscated!ct [PC Tools] | 2 |
| Trojan.Virtumonde [PC Tools] | 2 |
| Trojan.Win32.Buzus.abpl [Kaspersky Lab] | 2 |
| Trojan.Win32.Buzus.aebw [Kaspersky Lab] | 2 |
| Trojan.Win32.Inject [Ikarus] | 2 |