| Threat Alias | Number of Incidents |
| Downloader.inf [McAfee] | 83,203 |
| Generic component [McAfee] | 72,378 |
| Trojan.Noupdate.B [Symantec] | 68,080 |
| Generic!atr [McAfee] | 66,040 |
| Virus.Win32.AutoRun.mg [Kaspersky Lab] | 22,581 |
| Worm.Win32.AutoRun.dck [Kaspersky Lab] | 21,390 |
| W32/Xorer-A [Sophos] | 20,470 |
| Worm.Win32.AutoRun [Ikarus] | 19,722 |
| Virus:Win32/Xorer.D!inf [Microsoft] | 15,180 |
| Trojan.Autorun [Ikarus] | 13,062 |
| TextImage/Autorun [AhnLab] | 8,789 |
| W32/Autorun-KH [Sophos] | 8,492 |
| Worm.Win32.AutoRun.aaz [Kaspersky Lab] | 7,528 |
| W32/SillyFD-G [Sophos] | 2,123 |
| Virus.Win32.AutoRun.uz [Kaspersky Lab] | 2,010 |
| Worm.Win32.Downloader.fb [Kaspersky Lab] | 1,350 |
| W32/Rbot-GWP [Sophos] | 1,104 |
| Mal/AutoInf-A [Sophos] | 851 |
| Worm:Win32/Autorun!inf [Microsoft] | 776 |
| Virus.Win32.AutoRun.mg [Ikarus] | 772 |
| Worm.Win32.Downloader.fb [Ikarus] | 750 |
| Infostealer.Gampass [Symantec] | 667 |
| W32/Cekar-E [Sophos] | 584 |
| Worm.Win32.AutoRun.dzn [Kaspersky Lab] | 580 |
| Trojan.Win32.VB.bmr [Kaspersky Lab] | 511 |
| Virus.Win32.AutoRun.dq [Kaspersky Lab] | 486 |
| Worm.Win32.AutoRun.aka [Kaspersky Lab] | 481 |
| Trojan.Autorun!ct [PC Tools] | 460 |
| Worm.Autorun!ct [PC Tools] | 460 |
| Trojan.Win32.VB [Ikarus] | 403 |
| Trojan-Downloader.Flux.FM [PC Tools] | 386 |
| Trojan-GameThief.Win32.OnLineGames.eqs [Kaspersky Lab] | 253 |
| Worm:Win32/Taterf!inf [Microsoft] | 198 |
| W32/AutoRun-ER [Sophos] | 197 |
| Worm.Win32.Downloader [Ikarus] | 150 |
| Trojan-Spy.157 [Ikarus] | 145 |
| W32/Cekar-B [Sophos] | 135 |
| Trojan-PSW.Win32.OnLineGames.eqs [Kaspersky Lab] | 126 |
| Trojan-Spy.81 [Ikarus] | 105 |
| Win32.Small.B [Ikarus] | 91 |
| Worm.Win32.AutoRun.dej [Kaspersky Lab] | 81 |
| Worm.Win32.AutoRun.sb [Kaspersky Lab] | 72 |
| Worm.Win32.AutoRun.fes [Kaspersky Lab] | 70 |
| W32/Autorun-DW [Sophos] | 64 |
| Virus.Win32.AutoRun.uz [Ikarus] | 60 |
| Trojan Horse [Symantec] | 55 |
| W32/Autorun-APW [Sophos] | 48 |
| Worm.Win32.AutoRun.ebx [Kaspersky Lab] | 44 |
| Worm.Win32.AutoRun.djc [Kaspersky Lab] | 42 |
| TextImage/QQRob [AhnLab] | 36 |
| Worm.Win32.AutoRun.awsk [Kaspersky Lab] | 36 |
| Worm.Autorun.VCD [Ikarus] | 35 |
| Worm.Win32.Otwycal.g [Kaspersky Lab] | 34 |
| Worm:Win32/Otwycal.D!inf [Microsoft] | 34 |
| Worm.Autorun.GQ [Ikarus] | 33 |
| Trojan.Autorun.NE [Ikarus] | 32 |
| Worm.Win32.AutoRun.dfn [Kaspersky Lab] | 31 |
| Virus.Autorun!ct [PC Tools] | 30 |
| Downloader [Symantec] | 25 |
| Worm.Win32.AutoRun.dbq [Kaspersky Lab] | 25 |
| W32/SillyFDC-BJ [Sophos] | 24 |
| Win32.Agent [Ikarus] | 24 |
| Worm.Win32.AutoRun.edq [Kaspersky Lab] | 24 |
| Backdoor.Win32.Hupigon.cfeh [Kaspersky Lab] | 20 |
| INF.Agent [Ikarus] | 20 |
| W32.Gexin.A [Symantec] | 20 |
| W32/AutoRun-M [Sophos] | 20 |
| Trojan.Script [Ikarus] | 19 |
| Worm.Win32.AutoRun.ngn [Kaspersky Lab] | 19 |
| Worm.Win32.AutoRun.lkl [Kaspersky Lab] | 18 |
| W32.Killaut.A [Symantec] | 15 |
| Win32.Worm.Autoit.T [Ikarus] | 15 |
| Win32.Worm.Autoruner [Ikarus] | 15 |
| Worm.Win32.AutoRun.dvw [Kaspersky Lab] | 14 |
| Backdoor.Win32.Hupigon [Ikarus] | 13 |
| TextImage/Diskgen [AhnLab] | 13 |
| Worm.Win32.AutoRun.dtx [Kaspersky Lab] | 12 |
| Backdoor.Win32.Hupigon.bruz [Kaspersky Lab] | 10 |
| Virus.Win32.AutoRun.afa [Kaspersky Lab] | 10 |
| Worm.Win32.VB.qn [Ikarus] | 10 |
| Trojan-Spy.Win32.Delf.btc [Kaspersky Lab] | 9 |
| W32/Hoaix-B [Sophos] | 9 |
| Worm.Win32.Xiaoho [Ikarus] | 9 |
| Win32.SuspectCrc [Ikarus] | 8 |
| Worm.Win32.AutoRun.hv [Kaspersky Lab] | 8 |
| W32/AutoRun-IM [Sophos] | 7 |
| Worm.Win32.AutoRun.dog [Kaspersky Lab] | 7 |
| Worm.Win32.VB.mg [Kaspersky Lab] | 7 |
| Trojan-Dropper.Delf [Ikarus] | 6 |
| W32/Autorun-AL [Sophos] | 6 |
| Worm.Autorun [Ikarus] | 6 |
| Worm:Win32/Xiaoho!inf [Microsoft] | 6 |
| Win32.Worm.Autoruner.BO [Ikarus] | 5 |
| Backdoor.Win32.Hupigon.bfqd [Kaspersky Lab] | 4 |
| Backdoor.Win32.Hupigon.brec [Kaspersky Lab] | 4 |
| Trojan.VB.Agent.AW [Ikarus] | 4 |
| Virus.Win32.Agent.LOK [Ikarus] | 4 |
| W32/Autorun-KN [Sophos] | 4 |
| Win32.Worm.Cekar.A [Ikarus] | 4 |
| Worm.Win32.AutoIt.av [Kaspersky Lab] | 4 |