| Threat Alias | Number of Incidents |
| Mal/Packer [Sophos] | 2,010 |
| Infostealer.Onlinegame [Symantec] | 2,009 |
| Trojan.Win32.Small.bub [Kaspersky Lab] | 2,009 |
| Trojan-Spy.Onlinegame!sd6 [PC Tools] | 309 |
| Generic PWS.y [McAfee] | 210 |
| Win-Trojan/QQPass.25953 [AhnLab] | 210 |
| Win-Trojan/QQPass.25949 [AhnLab] | 88 |
| Mal/AdvPatch-A [Sophos] | 77 |
| W32/Autorun.worm.bl [McAfee] | 75 |
| Trojan:Win32/Alureon.gen!J [Microsoft] | 73 |
| Trojan.Win32.Small.yon [Kaspersky Lab] | 69 |
| W32.SillyDC [Symantec] | 69 |
| Generic Downloader.x [McAfee] | 56 |
| Win-Trojan/Xema.variant [AhnLab] | 49 |
| Trojan-PWS.OnlineGames.AHRG [PC Tools] | 42 |
| Trojan.Small!sd6 [PC Tools] | 26 |
| Virus.Trojan.Win32.Small [Ikarus] | 22 |
| Trojan Horse [Symantec] | 12 |
| Trojan.Win32.Small.ymw [Kaspersky Lab] | 10 |
| W32.Tidserv [Symantec] | 10 |
| Generic Downloader.dp [McAfee] | 9 |
| Trojan:Win32/Daonol.D [Microsoft] | 9 |
| Generic PWS.y!lo [McAfee] | 7 |
| Trojan.SillyWorm [PC Tools] | 7 |
| Downloader.MisleadApp [Symantec] | 6 |
| Mal/Basine-C, Mal/Behav-204, Mal/Behav-009 [Sophos] | 6 |
| Mal/Generic-A [Sophos] | 6 |
| Troj/Daonol-Fam [Sophos] | 6 |
| Trojan:Win32/Alureon.gen!O [Microsoft] | 6 |
| Win-Trojan/Agent.7470 [AhnLab] | 6 |
| Win-Trojan/Downloader.30720.CS [AhnLab] | 6 |
| FakeAlert-AB.dldr [McAfee] | 5 |
| Generic.dx [McAfee] | 5 |
| Trojan.Win32.Small.bvb [Kaspersky Lab] | 5 |
| Trojan.Win32.Small.byk [Kaspersky Lab] | 5 |
| Trojan:Win32/Meredrop [Microsoft] | 5 |
| TrojanDownloader:Win32/Fakeinit [Microsoft] | 5 |
| Trojan-PSW.Win32.Kates.c [Kaspersky Lab] | 5 |
| Win-Trojan/Agent.28672.YB [AhnLab] | 5 |
| Generic Dropper [McAfee] | 4 |
| Mal/EncPk-HJ, Mal/EncPk-HJ [Sophos] | 4 |
| Trojan.Win32.Small.aarn [Kaspersky Lab] | 4 |
| Trojan:Win32/Matcash.gen!M [Microsoft] | 4 |
| Trojan:Win32/Small [Microsoft] | 4 |
| Trojan.Dropper [Symantec] | 3 |
| Trojan.Win32.Small.bxz [Kaspersky Lab] | 3 |
| Trojan.Win32.Small.ymw [Ikarus] | 3 |
| W32.Auraax [Symantec] | 3 |
| W32/Autorun.worm.fd [McAfee] | 3 |
| Win-Trojan/Downloader.23040.IF [AhnLab] | 3 |
| Win-Trojan/Downloader.29696.CB [AhnLab] | 3 |
| Worm:Win32/Koobface.gen!D [Microsoft] | 3 |
| WORM_AUTORUN.DRV [Trend Micro] | 3 |
| Adware.FlashEnhancer [Symantec] | 2 |
| Downloader [Symantec] | 2 |
| Downloader.MisleadApp [PC Tools] | 2 |
| Downloader.Zlob!gen.3 [Symantec] | 2 |
| Downloader-AAP [McAfee] | 2 |
| Mal/EncPk-HJ [Sophos] | 2 |
| Mal/Generic-A, Mal/KoobHeur-A [Sophos] | 2 |
| Net-Worm.Koobface.ccd [PC Tools] | 2 |
| Troj/Agent-IAO [Sophos] | 2 |
| Troj/Daonol-Fam, Troj/Daonol-C [Sophos] | 2 |
| TROJ_SEEKWEL.TO [Trend Micro] | 2 |
| Trojan.Pandex [Symantec] | 2 |
| Trojan.Win32.Small.cba [Kaspersky Lab] | 2 |
| Trojan.Win32.Small.ccd [Kaspersky Lab] | 2 |
| Trojan.Win32.Small.yfw [Kaspersky Lab] | 2 |
| TrojanDownloader:Win32/Renos.IA [Microsoft] | 2 |
| Trojan-Dropper.Agent [Ikarus] | 2 |
| Trojan-Spy.Win32.Agent.bapx [Kaspersky Lab] | 2 |
| W32.Fiala.A [Symantec] | 2 |
| W32.Koobface.A [Symantec] | 2 |
| W32/Koobface.worm.gen.j [McAfee] | 2 |
| W32/Koobfa-Gen, W32/Koobfa-Gen [Sophos] | 2 |
| Win-Trojan/Downloader.15360.LQ [AhnLab] | 2 |
| Adware.FlashEnhancer [PC Tools] | 1 |
| Adware:Win32/FlashEnhancer [Microsoft] | 1 |
| Adware:Win32/FlashTrack [Microsoft] | 1 |
| Adware:Win32/Vapsup [Microsoft] | 1 |
| Adware-FlashTrack [McAfee] | 1 |
| Adware-Srng [McAfee] | 1 |
| Backdoor.Agent [PC Tools] | 1 |
| Backdoor.Trojan [PC Tools] | 1 |
| Backdoor.Trojan [Symantec] | 1 |
| Backdoor:Win32/Portless.gen!A [Microsoft] | 1 |
| DNSChanger!ca [McAfee] | 1 |
| Email-Worm.Win32.Agent.gew [Kaspersky Lab] | 1 |
| FakeAlert-FH [McAfee] | 1 |
| Generic Downloader.x!rm [McAfee] | 1 |
| Generic PUP.x [McAfee] | 1 |
| Generic.dx!bq [McAfee] | 1 |
| Generic.dx!cfp [McAfee] | 1 |
| Generic.dx!dnz [McAfee] | 1 |
| Infostealer.Gampass [Symantec] | 1 |
| Mal/Basine-C [Sophos] | 1 |
| Mal/Basine-C, Mal/Behav-204 [Sophos] | 1 |
| Mal/Behav-043 [Sophos] | 1 |
| Mal/Bredo-C [Sophos] | 1 |
| Mal/EncPk-CZ [Sophos] | 1 |