| Threat Alias | Number of Incidents |
| W32.SillyFDC [Symantec] | 310 |
| Generic!atr [McAfee] | 265 |
| W32/Sohana-BI [Sophos] | 222 |
| Win32.Worm.Autoit.AV [Ikarus] | 222 |
| Mal/Generic-A [Sophos] | 126 |
| P2P-Worm.Win32.Palevo.lku [Kaspersky Lab] | 63 |
| Worm:AutoIt/Sohanad.AQ!inf [Microsoft] | 52 |
| Trojan-Downloader.Win32.Agent.dbgt [Kaspersky Lab] | 51 |
| TrojanDropper:Win32/Jadtre.B [Microsoft] | 51 |
| Downloader-CCW [McAfee] | 48 |
| Win-Trojan/Downloader.248832.C [AhnLab] | 46 |
| Worm.Win32.AutoRun.ubh [Kaspersky Lab] | 43 |
| Win32/Palevo.worm.135168.V [AhnLab] | 42 |
| Worm.Win32.AutoRun [Ikarus] | 40 |
| W32/VBNA.worm [McAfee] | 14 |
| Worm:Win32/Vobfus.C [Microsoft] | 14 |
| W32/Autorun.worm.ev [McAfee] | 11 |
| Win-Trojan/Xema.variant [AhnLab] | 10 |
| Worm:Win32/Rimecud.B [Microsoft] | 10 |
| Worm:Win32/Orbina!rts [Microsoft] | 9 |
| WORM_FLYSTUD.SMC [Trend Micro] | 9 |
| W32/Autorun-AEI [Sophos] | 8 |
| W32/Autorun-ARS [Sophos] | 8 |
| Worm.Win32.VBNA.iby [Kaspersky Lab] | 8 |
| Mal/EncPk-GF [Sophos] | 7 |
| W32/Rimecud [McAfee] | 7 |
| Worm.Win32.AutoRun.cts [Kaspersky Lab] | 7 |
| Backdoor:Win32/FlyAgent.F [Microsoft] | 6 |
| Trojan:Win32/Malagent [Microsoft] | 6 |
| W32/Autorun.worm.gen [McAfee] | 6 |
| W32/Autorun.worm.h [McAfee] | 6 |
| W32/SillyFDC-DV [Sophos] | 6 |
| Worm.Win32.VBNA.isu [Kaspersky Lab] | 6 |
| Backdoor:Win32/IRCbot.DL [Microsoft] | 5 |
| Mal/Generic-E [Sophos] | 5 |
| Mal/Generic-E, Mal/Generic-D [Sophos] | 5 |
| P2P-Worm.Win32.Palevo [Ikarus] | 5 |
| W32/Autorun.worm.aae [McAfee] | 5 |
| W32/Autorun.worm.ex [McAfee] | 5 |
| Win32/Autorun.worm.144384 [AhnLab] | 5 |
| Win32/Autorun.worm.24658 [AhnLab] | 5 |
| Win32/Boaxxe.worm.Gen [AhnLab] | 5 |
| Worm.Win32.AutoRun.gsy [Kaspersky Lab] | 5 |
| Worm:Win32/Chiviper.C [Microsoft] | 5 |
| Worm:Win32/Hamweq.A [Microsoft] | 5 |
| Gen.Trojan [Ikarus] | 4 |
| Mal/Hiloti-A [Sophos] | 4 |
| P2P-Worm.Win32.Palevo.ann [Kaspersky Lab] | 4 |
| Trojan:Win32/Hiloti.gen!C [Microsoft] | 4 |
| TrojanDropper:Win32/Emold.C [Microsoft] | 4 |
| TrojanDropper:Win32/Silly_P2P.B [Microsoft] | 4 |
| Virus.Win32.Sality.aa [Kaspersky Lab] | 4 |
| W32/Autorun.worm.aah [McAfee] | 4 |
| W32/Rimecud-A, Mal/EncPk-ME [Sophos] | 4 |
| Worm.Win32.AutoRun.aedv [Kaspersky Lab] | 4 |
| Worm:Win32/Taterf.B [Microsoft] | 4 |
| Mal/Behav-109 [Sophos] | 3 |
| Mal/Packer, Mal/VB-G [Sophos] | 3 |
| Mal/SillyFDC-A [Sophos] | 3 |
| Trojan:Win32/Otran [Microsoft] | 3 |
| Trojan-Dropper.Win32.Flystud.ym [Kaspersky Lab] | 3 |
| Virus:Win32/Sality.AM [Microsoft] | 3 |
| W32.SillyFDC.BCT [Symantec] | 3 |
| W32/Autorun.worm.eb [McAfee] | 3 |
| W32/Autorun-AIC [Sophos] | 3 |
| W32/Autorun-ARZ [Sophos] | 3 |
| W32/Generic.b [McAfee] | 3 |
| W32/Sality-AM [Sophos] | 3 |
| Win-Trojan/Agent.77450 [AhnLab] | 3 |
| Win-Trojan/Hupigon.Gen [AhnLab] | 3 |
| Worm.Win32.AutoRun.aiun [Kaspersky Lab] | 3 |
| Worm.Win32.FlyStudio.bf [Kaspersky Lab] | 3 |
| Worm.Win32.Rimecud [Ikarus] | 3 |
| Worm.Win32.VBNA.fbe [Kaspersky Lab] | 3 |
| Worm:Win32/Vobfus.E [Microsoft] | 3 |
| WORM_SILLY.GA [Trend Micro] | 3 |
| Downloader-BQP [McAfee] | 2 |
| Dropper/Flystud.1405294 [AhnLab] | 2 |
| Generic VB.i [McAfee] | 2 |
| Mal/Behav-024, Mal/Inject-K, Mal/Behav-009 [Sophos] | 2 |
| Mal/Behav-043 [Sophos] | 2 |
| Mal/EncPk-JS [Sophos] | 2 |
| Mal/EncPk-JS, Mal/Frethog-B [Sophos] | 2 |
| Mal/EncPk-LT, Mal/FakeAV-BT [Sophos] | 2 |
| Mal/EncPk-MX [Sophos] | 2 |
| Mal/Generic-A, Mal/EncPk-JU [Sophos] | 2 |
| Mal/VBInject-D [Sophos] | 2 |
| New Malware.d [McAfee] | 2 |
| P2P-Worm.Win32.Palevo.ipn [Kaspersky Lab] | 2 |
| Packed.Win32.CPEX-based.zl [Kaspersky Lab] | 2 |
| PWS:Win32/Zbot [Microsoft] | 2 |
| Troj/SillFDC-A [Sophos] | 2 |
| Trojan.Win32.Inhoo [Ikarus] | 2 |
| Trojan.Win32.VBKrypt.bd [Kaspersky Lab] | 2 |
| Trojan:Win32/Comame [Microsoft] | 2 |
| Trojan:Win32/Malat [Microsoft] | 2 |
| Trojan:Win32/Provis!rts [Microsoft] | 2 |
| Trojan:Win32/Qhost.BI [Microsoft] | 2 |
| Trojan-GameThief.Win32.Magania.clqa [Kaspersky Lab] | 2 |
| TSPY_ZBOT.SMQ [Trend Micro] | 2 |