| Threat Alias | Number of Incidents |
| Mal/Generic-A [Sophos] | 40 |
| TrojanDownloader:Win32/Cutwail.gen!C [Microsoft] | 40 |
| Trojan Horse [Symantec] | 29 |
| FakeAlert-ID [McAfee] | 28 |
| Virus.Win32.Virut.ce [Kaspersky Lab] | 25 |
| W32.Virut.CF [Symantec] | 22 |
| Win32/Virut.F [AhnLab] | 21 |
| W32/Scribble-B [Sophos] | 19 |
| Downloader [Symantec] | 18 |
| FakeAlert-AG.gen.c [McAfee] | 18 |
| Spy-Agent.bv.gen.b [McAfee] | 18 |
| TrojanDownloader:Win32/Cutwail.AQ [Microsoft] | 18 |
| Virus:Win32/Virut.BM [Microsoft] | 18 |
| Troj/Pushdo-AQ [Sophos] | 16 |
| Mal/FakeAV-AX [Sophos] | 15 |
| Mal/Pushdo-A [Sophos] | 15 |
| TrojanDownloader:Win32/Cutwail.AI [Microsoft] | 14 |
| Generic Downloader.x [McAfee] | 13 |
| TrojanDropper:Win32/Cutwail.AL [Microsoft] | 12 |
| Mal/TibsPk-A [Sophos] | 11 |
| Trojan.Pandex [Symantec] | 11 |
| Trojan-Downloader.Win32.Mutant.foa [Kaspersky Lab] | 11 |
| New Win32 [McAfee] | 10 |
| Infostealer.Gampass [Symantec] | 9 |
| Trojan-Downloader.Win32.FraudLoad.vmrj [Kaspersky Lab] | 9 |
| Trojan-Spy.Gampass!sd6 [PC Tools] | 9 |
| Win-Trojan/Kobcka.30208.D [AhnLab] | 9 |
| Cutwail [McAfee] | 8 |
| Troj/DwnLdr-HKK [Sophos] | 8 |
| TrojanDownloader:Win32/Cutwail [Microsoft] | 8 |
| TrojanDownloader:Win32/Cutwail.gen!B [Microsoft] | 7 |
| Cutwail.dll.gen [McAfee] | 6 |
| Cutwail.gen.b [McAfee] | 6 |
| Generic FakeAlert.a [McAfee] | 6 |
| Infostealer.Banker.C [Symantec] | 6 |
| PWS:Win32/Zbot.gen!R [Microsoft] | 6 |
| Trojan-Downloader.Win32.Mutant.bwc [Kaspersky Lab] | 6 |
| TrojanDownloader:Win32/Cutwail.S [Microsoft] | 6 |
| W32/Virut.n.gen [McAfee] | 6 |
| Win-Trojan/Downloader.35328.JD [AhnLab] | 5 |
| Backdoor.Win32.Small.hnz [Kaspersky Lab] | 4 |
| Dropper/Rustock.Gen [AhnLab] | 4 |
| Generic Downloader.x!bg [McAfee] | 4 |
| Troj/Pushu-Gen, Mal/Behav-116, Mal/Emogen-Y [Sophos] | 4 |
| Trojan.Win32.Agent.amxg [Kaspersky Lab] | 4 |
| Trojan.Win32.Agent.cdcn [Kaspersky Lab] | 4 |
| Win-Trojan/Mutant.26937 [AhnLab] | 4 |
| Win-Trojan/SpamMailer.24576 [AhnLab] | 4 |
| Backdoor.Trojan [Symantec] | 3 |
| Backdoor.Win32.Small.yt [Kaspersky Lab] | 3 |
| Generic FakeAlert!ck [McAfee] | 3 |
| Mal/Dorf-A [Sophos] | 3 |
| Mal/Emogen-Y [Sophos] | 3 |
| Mal/FakeAV-AX, W32/Scribble-B [Sophos] | 3 |
| Troj/Meredr-Fam, Mal/Pandex-B [Sophos] | 3 |
| TrojanDownloader:Win32/Cutwail.AE [Microsoft] | 3 |
| TrojanDownloader:Win32/Cutwail.W [Microsoft] | 3 |
| Virus:Win32/Virut.gen!E [Microsoft] | 3 |
| Win-Trojan/Downloader.39424.CT [AhnLab] | 3 |
| Backdoor.Win32.Small.idl [Kaspersky Lab] | 2 |
| Generic Dropper.gj [McAfee] | 2 |
| Hacktool.Rootkit [Symantec] | 2 |
| Packed.Generic.234 [Symantec] | 2 |
| PE_VIRUT.XP [Trend Micro] | 2 |
| PE_VIRUX.A-1 [Trend Micro] | 2 |
| PWS:Win32/Zbot.gen!Q [Microsoft] | 2 |
| Troj/NTRoot-E [Sophos] | 2 |
| Trojan.Agent!sd6 [PC Tools] | 2 |
| Trojan.Win32.Agent.ampl [Kaspersky Lab] | 2 |
| Trojan.Win32.Agent.brfk [Kaspersky Lab] | 2 |
| Trojan.Win32.Agent2.dvx [Kaspersky Lab] | 2 |
| Trojan.Win32.Inject.jxk [Kaspersky Lab] | 2 |
| Trojan-Downloader.Agent.BWH [PC Tools] | 2 |
| Trojan-PSW.Banker [PC Tools] | 2 |
| Trojan-Spy.Win32.Zbot.aafs [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.aaif [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.aait [Kaspersky Lab] | 2 |
| Trojan-Spy.Win32.Zbot.abfj [Kaspersky Lab] | 2 |
| Virus.Win32.Virut.q [Kaspersky Lab] | 2 |
| Virus:Win32/Virut.gen!O [Microsoft] | 2 |
| Virus:Win32/Virut.K [Microsoft] | 2 |
| Vundo.gen.aq [McAfee] | 2 |
| W32.Virut.U [Symantec] | 2 |
| W32/Vetor-A [Sophos] | 2 |
| Win32.Virut.Gen.5 [PC Tools] | 2 |
| Win32/Virut.D [AhnLab] | 2 |
| Win-Trojan/Downloader.20480.ZM [AhnLab] | 2 |
| Win-Trojan/Rootkit.40576 [AhnLab] | 2 |
| Win-Trojan/Zbot.101888 [AhnLab] | 2 |
| Backdoor.Agent!sd6 [PC Tools] | 1 |
| Backdoor.Small!sd6 [PC Tools] | 1 |
| Backdoor.Win32.Agent.affe [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bredolab.ca [Kaspersky Lab] | 1 |
| Backdoor.Win32.HareBot.ho [Kaspersky Lab] | 1 |
| Backdoor.Win32.HareBot.is [Kaspersky Lab] | 1 |
| Backdoor.Win32.Small.wq [Kaspersky Lab] | 1 |
| Cutwail.gen.c [McAfee] | 1 |
| Cutwail.gen.d [McAfee] | 1 |
| Downloader.Generic [PC Tools] | 1 |
| Dropper/Agent.41984.AK [AhnLab] | 1 |