| Threat Alias | Number of Incidents |
| Mal/EncPk-CZ [Sophos] | 9,935 |
| FakeAlert-AG.gen.a [McAfee] | 6,793 |
| Application.BluSOD [PC Tools] | 6,384 |
| Joke.Blusod [Symantec] | 6,162 |
| Trojan.Fakealert.AFW [Ikarus] | 4,104 |
| Trojan.Win32.FraudPack.ijv [Kaspersky Lab] | 2,052 |
| Trojan.Blusod [Symantec] | 1,912 |
| Packed.Generic.183 [Symantec] | 821 |
| TROJ_FAKEALRT.CC [Trend Micro] | 819 |
| Trojan.Blusod!sd6 [PC Tools] | 398 |
| TROJ_FAKEAV.MQ [Trend Micro] | 255 |
| Trojan-Downloader.Win32.Renos.AQ [Ikarus] | 236 |
| Win-Trojan/Fakeav.118784.C [AhnLab] | 228 |
| Trojan.Fakealert.AFB [Ikarus] | 170 |
| Joke-Bluescreen.c [McAfee] | 153 |
| Backdoor.Win32.TDSS.zj [Kaspersky Lab] | 143 |
| Downloader.gen.a [McAfee] | 118 |
| Generic Downloader.x [McAfee] | 106 |
| Packed.Generic.188 [Symantec] | 93 |
| Backdoor.TDSS!sd6 [PC Tools] | 91 |
| Packed.Win32.Tdss.c [Kaspersky Lab] | 85 |
| VirTool:Win32/Obfuscator.DQ [Microsoft] | 76 |
| not-a-virus:FraudTool.Win32.Agent.au [Kaspersky Lab] | 54 |
| Troj/FakeAle-EX [Sophos] | 54 |
| Win-Trojan/Agent.35840.KQ [AhnLab] | 52 |
| TROJ_ZLOB.HRZ [Trend Micro] | 48 |
| Packed.Generic.184 [Symantec] | 43 |
| Backdoor.Tidserv [Symantec] | 39 |
| FakeAlert-SpywareGuard.gen.b [McAfee] | 39 |
| Trojan:Win32/Alureon.gen!U [Microsoft] | 39 |
| Win-Trojan/Fakeav.118784.B [AhnLab] | 34 |
| Mal/EncPk-CZ, Mal/TDSSPack-Q [Sophos] | 26 |
| Rootkit.Win32.TDSS.bph [Kaspersky Lab] | 26 |
| Trojan.TDSServ [PC Tools] | 26 |
| Trojan:Win32/Sudiet.B [Microsoft] | 26 |
| Trojan.FakeAlert [PC Tools] | 17 |
| Packed.Generic.180 [Symantec] | 15 |
| Trojan Horse [Symantec] | 11 |
| Mal/Generic-A [Sophos] | 10 |
| Generic PUP.x [McAfee] | 8 |
| Trojan.Win32.Monder.gen [Kaspersky Lab] | 8 |
| Trojan-Downloader.Win32.Small.afhi [Kaspersky Lab] | 4 |
| Mal/FakeAV-B, Mal/EncPk-CZ [Sophos] | 3 |
| AntiVirus2008 [Symantec] | 2 |
| Backdoor.Trojan [Symantec] | 2 |
| Backdoor.Win32.TDSS.aru [Kaspersky Lab] | 2 |
| FakeAlert-AB.dldr.gen.a [McAfee] | 2 |
| Mal/FakeAV-B [Sophos] | 2 |
| Packed.Generic.200 [Symantec] | 2 |
| TROJ_FAKEAV.LC [Trend Micro] | 2 |
| Trojan.Win32.Agent.abpr [Kaspersky Lab] | 2 |
| Trojan.Win32.Agent.aeog [Kaspersky Lab] | 2 |
| Trojan-Downloader.Win32.Small.aajd [Kaspersky Lab] | 2 |
| Trojan-Downloader.Win32.Small.aaqw [Kaspersky Lab] | 2 |
| AntiVirusXP2008 [Symantec] | 1 |
| Downloader [Symantec] | 1 |
| not-a-virus:Downloader.Win32.FraudLoad.dz [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.Agent.ai [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.AntivirusXP2008.aa [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.AntivirusXP2008.w [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.XPAntivirus.po [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.XPAntivirus.rl [Kaspersky Lab] | 1 |
| not-a-virus:FraudTool.Win32.XPAntivirus.sh [Kaspersky Lab] | 1 |
| Troj/FakeAV-AQ [Sophos] | 1 |
| Troj/FakeAV-BS [Sophos] | 1 |
| TROJ_DLOADE.YU [Trend Micro] | 1 |
| TROJ_DLOADER.VJC [Trend Micro] | 1 |
| TROJ_FAKEALER.FN [Trend Micro] | 1 |
| TROJ_FAKEALRT.CO [Trend Micro] | 1 |
| TROJ_FAKEAV.HM [Trend Micro] | 1 |
| TROJ_FRAUDLOA.OO [Trend Micro] | 1 |
| TROJ_FRAUDLOA.TT [Trend Micro] | 1 |
| TROJ_MONDER.EO [Trend Micro] | 1 |
| TROJ_SMALL.IPT [Trend Micro] | 1 |
| Trojan.Fakealert.AIZ [Ikarus] | 1 |
| Trojan.Fakeav.1 [Ikarus] | 1 |
| Trojan.Fakeavalert [Symantec] | 1 |
| Trojan.Win32.Agent.ablt [Kaspersky Lab] | 1 |
| Trojan.Win32.Antivirusxp [Ikarus] | 1 |
| Trojan.Win32.Pakes.kdl [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Axload.m [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.FraudLoad.vauk [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.FraudLoad.vcib [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Small.aahj [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Small.aaii [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Small.aajm [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Small.aapu [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Small.aarj [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Small.aatc [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Small.acup [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Small.aeux [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Small.afar [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Small.afqw [Kaspersky Lab] | 1 |