| Threat Alias | Number of Incidents |
| Virus.Win32.Rootkit [Ikarus] | 124 |
| Trojan.Win32.Monder.bdnr [Kaspersky Lab] | 95 |
| TrojanDownloader:Win32/Fakeinit [Microsoft] | 75 |
| Program:Win32/Antivirus2009 [Microsoft] | 74 |
| Generic PUP.z [McAfee] | 66 |
| Mal/EncPk-HJ [Sophos] | 66 |
| Trojan.Vundo [Symantec] | 66 |
| Mal/EncPk-FO [Sophos] | 37 |
| Trojan.Fakeavalert [Symantec] | 32 |
| Trojan-Downloader.Win32.Murlo.abj [Kaspersky Lab] | 29 |
| TrojanDownloader:Win32/Renos.HJ [Microsoft] | 29 |
| Trojan Horse [Symantec] | 26 |
| Generic Downloader.x [McAfee] | 18 |
| Mal/Generic-A [Sophos] | 17 |
| Suspicious.MH690 [Symantec] | 16 |
| Trojan.Fakeavalert!sd6 [PC Tools] | 16 |
| Generic.dx [McAfee] | 14 |
| Downloader.MisleadApp [Symantec] | 13 |
| Trojan-Downloader.Win32.Agent.atlx [Kaspersky Lab] | 12 |
| Mal/TibsPak [Sophos] | 10 |
| Trojan-Dropper.Agent [Ikarus] | 10 |
| Trojan.Win32.FraudPack [Ikarus] | 9 |
| Trojan.Win32.FraudPack.any [Kaspersky Lab] | 9 |
| FakeAlert-AB.dldr [McAfee] | 8 |
| FakeAlert-XPSecCenter [McAfee] | 7 |
| Trojan.Win32.Small [Ikarus] | 7 |
| Trojan.Win32.Small.bvb [Kaspersky Lab] | 7 |
| TrojanDownloader:Win32/Renos.FX [Microsoft] | 7 |
| FakeAlert-R [McAfee] | 6 |
| not-a-virus:FraudTool.Win32.AntivirusXPPro.a [Kaspersky Lab] | 6 |
| Trojan.Win32.Agent [Ikarus] | 6 |
| Trojan-Downloader.Win32.Murlo.asv [Kaspersky Lab] | 6 |
| TrojanDownloader:Win32/Renos.FV [Microsoft] | 6 |
| Virus.Win32.Trojan [Ikarus] | 6 |
| W32.Virut.CF [Symantec] | 6 |
| Win-Trojan/Downloader.30720.CS [AhnLab] | 6 |
| Mal/EncPk-HJ, Mal/EncPk-HJ [Sophos] | 5 |
| Mal/FakeVirPk-A [Sophos] | 5 |
| Downloader [Symantec] | 4 |
| Trojan.FakeAlerter [Ikarus] | 4 |
| Trojan:Win32/Fakeinit [Microsoft] | 4 |
| Trojan-Downloader.Win32.Agent.bjur [Kaspersky Lab] | 4 |
| Trojan-Downloader.Win32.Fakeinit [Ikarus] | 4 |
| Trojan-Downloader.Win32.FraudLoad.vtuc [Kaspersky Lab] | 4 |
| Trojan-Downloader.Win32.Renos [Ikarus] | 4 |
| Win-Trojan/FakeAlert.31744.C [AhnLab] | 4 |
| Mal/Behav-321, Mal/EncPk-FO, Mal/FakeVirPk-A [Sophos] | 3 |
| New Win32 [McAfee] | 3 |
| Troj/Fakevir-JL [Sophos] | 3 |
| Trojan.FraudPack.ANY [PC Tools] | 3 |
| Trojan.Win32.Agent.azpp [Kaspersky Lab] | 3 |
| Trojan.Zlob [Symantec] | 3 |
| Trojan.Zlob!sd6 [PC Tools] | 3 |
| Trojan:Win32/Tibs.IT [Microsoft] | 3 |
| Trojan-Downloader.Win32.FraudLoad [Ikarus] | 3 |
| TrojanDownloader:Win32/Fakeinit.E [Microsoft] | 3 |
| Virus.Win32.Virut.ce [Kaspersky Lab] | 3 |
| Virus:Win32/Virut.BM [Microsoft] | 3 |
| W32/Scribble-B [Sophos] | 3 |
| Win32/Virut.F [AhnLab] | 3 |
| Win-Trojan/Fakeav.51712 [AhnLab] | 3 |
| Win-Trojan/Xema.variant [AhnLab] | 3 |
| Downloader.MisleadApp [PC Tools] | 2 |
| FakeAlert-CK [McAfee] | 2 |
| Generic FakeAlert.a [McAfee] | 2 |
| Trojan.Win32.Monder [Ikarus] | 2 |
| Trojan:Win32/Malagent [Microsoft] | 2 |
| Trojan:Win32/Rundis.gen!A [Microsoft] | 2 |
| Trojan-Downloader.Win32.Murlo [Ikarus] | 2 |
| TrojanDownloader:Win32/Renos [Microsoft] | 2 |
| TrojanDownloader:Win32/Renos.GT [Microsoft] | 2 |
| TrojanDownloader:Win32/Renos.IA [Microsoft] | 2 |
| Trojan-Dropper.Angel [Ikarus] | 2 |
| Trojan-PWS.Win32.Papras [Ikarus] | 2 |
| Win-Trojan/Jlte.27136.B [AhnLab] | 2 |
| AntiVirus2008 [Symantec] | 1 |
| BehavesLike.Trojan.TaskDisabler [Ikarus] | 1 |
| Dropper/Agent.24064.AP [AhnLab] | 1 |
| Mal/EncPk-HJ, W32/Scribble-B [Sophos] | 1 |
| Mal/UnkPack-Fam [Sophos] | 1 |
| P2P-Worm.Agent.jw [PC Tools] | 1 |
| P2P-Worm.Win32.Agent [Ikarus] | 1 |
| P2P-Worm.Win32.Agent.jw [Kaspersky Lab] | 1 |
| Troj/Agent-INX [Sophos] | 1 |
| Troj/Agent-IUF [Sophos] | 1 |
| Troj/FakeAle-LX [Sophos] | 1 |
| Troj/FakeAV-KS [Sophos] | 1 |
| Troj/FakeAV-LE [Sophos] | 1 |
| Troj/FakeVir-KQ [Sophos] | 1 |
| Troj/Virtum-Gen [Sophos] | 1 |
| Trojan.Crypt [Ikarus] | 1 |
| Trojan.Desktophijack.C [Symantec] | 1 |
| Trojan.Fakealert [Ikarus] | 1 |
| Trojan.FraudPack!sd6 [PC Tools] | 1 |
| Trojan.Generic [Ikarus] | 1 |
| Trojan.Initbar [Symantec] | 1 |
| Trojan.Win32.Agent.bbnh [Kaspersky Lab] | 1 |
| Trojan.Win32.Fakeinit [Ikarus] | 1 |
| Trojan.Win32.FraudPack.ang [Kaspersky Lab] | 1 |
| Trojan.Win32.Subster [Ikarus] | 1 |