| Threat Alias | Number of Incidents |
| Mal/Generic-A [Sophos] | 84 |
| Trojan Horse [Symantec] | 54 |
| IRC Trojan [Symantec] | 52 |
| IRC/Flood [McAfee] | 52 |
| FakeAlert-Y [McAfee] | 50 |
| Generic.dx [McAfee] | 38 |
| Downloader [Symantec] | 31 |
| SpyDestroy [Symantec] | 30 |
| Generic Downloader.c [McAfee] | 24 |
| Win32.SuspectCrc [Ikarus] | 23 |
| W32/Autorun-AAA [Sophos] | 20 |
| Trojan.Win32.VB.wbb [Kaspersky Lab] | 16 |
| W32/Autorun.worm.gen [McAfee] | 16 |
| Win-Trojan/Agent.28672.AFI [AhnLab] | 16 |
| Infostealer.Gampass [Symantec] | 15 |
| Program:Win32/AlertSpy [Microsoft] | 15 |
| W32.SillyFDC [Symantec] | 14 |
| Mal/Emogen-G [Sophos] | 12 |
| PWS-Banker [McAfee] | 12 |
| VBS/Xema [AhnLab] | 12 |
| TrojanSpy:Win32/Agent.MM [Microsoft] | 11 |
| Program:Win32/AntivirusProtection [Microsoft] | 10 |
| Trojan.Generic [PC Tools] | 10 |
| Win-Trojan/Xema.variant [AhnLab] | 10 |
| Worm.Win32.Downloader.yv [Kaspersky Lab] | 10 |
| New Malware.aj [McAfee] | 9 |
| Trojan-Downloader.Win32.Banload.zxb [Kaspersky Lab] | 9 |
| Application.Whitelist [PC Tools] | 8 |
| TrojanSpy:Win32/Delf [Microsoft] | 8 |
| Win-Trojan/Agent.59904.DJ [AhnLab] | 8 |
| Infostealer [Symantec] | 6 |
| Trojan-Spy.Win32.Agent.amif [Kaspersky Lab] | 6 |
| Worm.Pinit [PC Tools] | 6 |
| Backdoor.Trojan [Symantec] | 5 |
| Generic Downloader.x [McAfee] | 5 |
| RogueAntiSpyware.Spyware_Remover [PC Tools] | 5 |
| Trojan-Spy.Win32.Agent [Ikarus] | 5 |
| W32.Spybot.Worm [Symantec] | 5 |
| Adware.Webprefix [Symantec] | 4 |
| Generic PWS.y!i [McAfee] | 4 |
| Infostealer.Onlinegame [Symantec] | 4 |
| New Malware.ex [McAfee] | 4 |
| Troj/Dloadr-BUU [Sophos] | 4 |
| Troj/Dropr-K [Sophos] | 4 |
| TROJ_AGENT.ATDZ [Trend Micro] | 4 |
| Trojan.Agent.DYWF [PC Tools] | 4 |
| Trojan-Downloader.Agent [Ikarus] | 4 |
| Trojan-Downloader.Win32.Banload.zzv [Kaspersky Lab] | 4 |
| Trojan-Spy.Win32.Agent.amv [Kaspersky Lab] | 4 |
| Win-Trojan/Agent.17920.LA [AhnLab] | 4 |
| Backdoor:Win32/FlyAgent.E [Microsoft] | 3 |
| BackDoor-DRV.gen.a [McAfee] | 3 |
| Troj/Bckdr-QUF [Sophos] | 3 |
| TROJ_AGENT.QD [Trend Micro] | 3 |
| Trojan-Downloader.Win32.Banload.aazp [Kaspersky Lab] | 3 |
| Trojan-Spy.Onlinegame!sd6 [PC Tools] | 3 |
| Win-Trojan/Agent.167936.EI [AhnLab] | 3 |
| Adware.BHO.EC [PC Tools] | 2 |
| Adware.Stud.M [PC Tools] | 2 |
| Adware-KeenValue [McAfee] | 2 |
| Backdoor.Win32.IRCBot.aoj [Kaspersky Lab] | 2 |
| Backdoor:Win32/Poebot.W [Microsoft] | 2 |
| Generic.dx!dwe [McAfee] | 2 |
| Infostealer.Banker.C [Symantec] | 2 |
| Mal/EncPk-CZ [Sophos] | 2 |
| Mal/EncPk-GB [Sophos] | 2 |
| Mal/KeyGen-A [Sophos] | 2 |
| Mal/Packer [Sophos] | 2 |
| not-a-virus:AdWare.Win32.Stud.a [Kaspersky Lab] | 2 |
| not-a-virus:AdWare.Win32.Stud.d [Kaspersky Lab] | 2 |
| Packed.Generic.76 [Symantec] | 2 |
| Packed/Upack [AhnLab] | 2 |
| PWS:Win32/Zbot.gen!G [Microsoft] | 2 |
| Spy-Agent.bw [McAfee] | 2 |
| Suspicious.MH690 [Symantec] | 2 |
| Trojan.Win32.Agent.cuxo [Kaspersky Lab] | 2 |
| Trojan:Win32/Alureon.gen!J [Microsoft] | 2 |
| Trojan:Win32/Bumat!rts [Microsoft] | 2 |
| Trojan-Downloader.Banload!sd6 [PC Tools] | 2 |
| Trojan-Downloader.Win32.Small.aeyy [Kaspersky Lab] | 2 |
| Trojan-Dropper.Agent.LHH [PC Tools] | 2 |
| TrojanDropper:Win32/VB.DP [Microsoft] | 2 |
| Trojan-Spy.Gampass!sd6 [PC Tools] | 2 |
| Trojan-Spy.Win32.Zbot.dqu [Kaspersky Lab] | 2 |
| TSPY_ZBOT.OJ [Trend Micro] | 2 |
| W32/Mariofev!enc [McAfee] | 2 |
| W32/Sdbot.worm [McAfee] | 2 |
| Win32/IRCBot.worm.34816.P [AhnLab] | 2 |
| Win32/IRCBot.worm.variant [AhnLab] | 2 |
| Worm.RBot.OQX [PC Tools] | 2 |
| Worm:Win32/Nuj.A [Microsoft] | 2 |
| Adware.BHO!sd6 [PC Tools] | 1 |
| Adware.EShopper!ct [PC Tools] | 1 |
| Adware.Websearch [PC Tools] | 1 |
| Adware.Websearch [Symantec] | 1 |
| Adware-Wyyo [McAfee] | 1 |
| Backdoor.Graybird [Symantec] | 1 |
| Backdoor.Rbot!ct [PC Tools] | 1 |
| Backdoor.Win32.Bifrose.bazv [Kaspersky Lab] | 1 |
| Backdoor.Win32.Rbot.ebe [Kaspersky Lab] | 1 |