| Threat Alias | Number of Incidents |
| Troj/Qhost-O [Sophos] | 141 |
| Trojan:Win32/Qhost.V [Microsoft] | 136 |
| W32.SillyFDC [Symantec] | 56 |
| not-a-virus:RiskTool.Win32.HideProc.c [Kaspersky Lab] | 44 |
| Virus.Win32.AutoRun.ain [Kaspersky Lab] | 39 |
| not-a-virus:AdWare.Win32.Agent.dyp [Kaspersky Lab] | 30 |
| Virus.Win32.AutoRun.as [Kaspersky Lab] | 24 |
| TROJ_QHOST.MM [Trend Micro] | 22 |
| Adware.Agent!sd6 [PC Tools] | 18 |
| not-a-virus:RiskTool.Win32.HideProc.c [Ikarus] | 16 |
| Win-Trojan/Autorun.71168.B [AhnLab] | 14 |
| Trojan.Win32.Small.xup [Kaspersky Lab] | 12 |
| Trojan-Dropper.Agent!sd6 [PC Tools] | 7 |
| Backdoor:Win32/Agent.EO [Microsoft] | 5 |
| Mal/Generic-A [Sophos] | 5 |
| Mal/SillyFDC-A [Sophos] | 5 |
| Trojan.Dropper [Symantec] | 5 |
| Trojan:Win32/Hider.gen [Microsoft] | 5 |
| Trojan.Win32.Agent.aebe [Kaspersky Lab] | 4 |
| Trojan-Downloader.Win32.VB.hqj [Kaspersky Lab] | 4 |
| W32.SillyDC [Symantec] | 4 |
| Worm.Win32.AutoRun.lmc [Kaspersky Lab] | 4 |
| Trojan Horse [Symantec] | 3 |
| Trojan-Downloader.Win32.VB.gja [Kaspersky Lab] | 3 |
| Worm.Autorun!ct [PC Tools] | 3 |
| Worm.Win32.AutoRun [Ikarus] | 3 |
| Possible_Otorun7 [Trend Micro] | 2 |
| Virus.Win32.Downloader.ALQ [Ikarus] | 2 |
| W32.Babelloh [Symantec] | 2 |
| W32/AutoRun-GW [Sophos] | 2 |
| W32/SillyFD-T [Sophos] | 2 |
| Win-Trojan/Autorun.36864.J [AhnLab] | 2 |
| Worm.Win32.AutoRun.any [Kaspersky Lab] | 2 |
| Worm.Win32.AutoRun.cd [Kaspersky Lab] | 2 |
| Worm.Win32.AutoRun.dhk [Kaspersky Lab] | 2 |
| Dropper/Meredrop.88440 [AhnLab] | 1 |
| not-a-virus:Server-Proxy.Win32.CCProxy.63 [Kaspersky Lab] | 1 |
| Trojan.Crypt.NSPM [Ikarus] | 1 |
| Trojan.VB!sd5 [PC Tools] | 1 |
| Trojan.Win32.Agent [Ikarus] | 1 |
| Trojan.Win32.Agent.byje [Kaspersky Lab] | 1 |
| Trojan.Win32.Agent2.gnq [Kaspersky Lab] | 1 |
| Trojan.Win32.FlyStudio.bz [Kaspersky Lab] | 1 |
| Trojan.Win32.VB.axp [Kaspersky Lab] | 1 |
| Trojan:Win32/Comronki!rts [Microsoft] | 1 |
| Trojan-Downloader.Win32.VB.hfn [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.VB.hsx [Kaspersky Lab] | 1 |
| Trojan-Dropper.Win32.Agent.yhq [Kaspersky Lab] | 1 |
| Trojan-PSW.Win32.QQPass.aom [Kaspersky Lab] | 1 |
| Trojan-PWS.Win32.QQPass [Ikarus] | 1 |
| Virus.Win32.AutoRun.as [Ikarus] | 1 |
| W32.Gammima [Symantec] | 1 |
| W32/AutoRun-AZ [Sophos] | 1 |
| W32/Autorun-KR, Mal/Behav-009 [Sophos] | 1 |
| Win-Trojan/Autorun.49152.N [AhnLab] | 1 |
| Win-Trojan/Autorun.77824.I [AhnLab] | 1 |
| Win-Trojan/Autorun.89088 [AhnLab] | 1 |
| Worm.AutoRun.AEC [PC Tools] | 1 |
| Worm.Win32.AutoRun.emn [Kaspersky Lab] | 1 |
| Worm.Win32.AutoRun.llx [Kaspersky Lab] | 1 |
| Worm.Win32.AutoRun.pa [Kaspersky Lab] | 1 |
| Worm.Win32.Fujack [Ikarus] | 1 |
| WORM_AUTORUN.BSU [Trend Micro] | 1 |
| WORM_VB.EAJ [Trend Micro] | 1 |