| Threat Alias | Number of Incidents |
| W32.SillyDC [Symantec] | 208 |
| Mal/AdvPatch-A [Sophos] | 153 |
| Trojan:Win32/Alureon.gen!J [Microsoft] | 125 |
| Trojan.Win32.Small.yon [Kaspersky Lab] | 93 |
| Trojan:Win32/Alureon.gen!O [Microsoft] | 80 |
| Trojan-Downloader.Win32.Agent.ahcg [Kaspersky Lab] | 80 |
| Trojan.Win32.Small [Ikarus] | 75 |
| W32.SillyFDC [Symantec] | 44 |
| Trojan.Small!sd6 [PC Tools] | 38 |
| Trojan.Win32.Small.ymw [Kaspersky Lab] | 38 |
| Trojan-Downloader.Agent!sd6 [PC Tools] | 31 |
| Virus.Win32.AutoRun.vc [Ikarus] | 25 |
| W32.Tidserv [Symantec] | 25 |
| Trojan-Dropper.Agent [Ikarus] | 22 |
| Mal/Generic-A [Sophos] | 15 |
| Worm.Win32.AutoRun.edq [Kaspersky Lab] | 12 |
| Trojan.Win32.Small.ymw [Ikarus] | 11 |
| Worm:Win32/Autorun.gen!BA [Microsoft] | 10 |
| Virus:Win32/Sality.AM [Microsoft] | 9 |
| W32/Sality-AM [Sophos] | 8 |
| Trojan.SillyWorm [PC Tools] | 7 |
| Worm.AutoRun.LC [PC Tools] | 6 |
| WORM_AUTORUN.AEG [Trend Micro] | 5 |
| WORM_AUTORUN.YG [Trend Micro] | 5 |
| Virus.Win32.AutoIt.e [Kaspersky Lab] | 4 |
| Virus:Win32/Delicium.A [Microsoft] | 4 |
| W32/AutoRun-LI [Sophos] | 4 |
| W32/Autorun-LL [Sophos] | 4 |
| W32/Impair-A [Sophos] | 4 |
| Win32/Autorun.worm.139264 [AhnLab] | 4 |
| Mal/Behav-043 [Sophos] | 3 |
| W32/AutoRun-ER [Sophos] | 3 |
| W32/Vetor-A [Sophos] | 3 |
| Win-Trojan/Autorun.7458 [AhnLab] | 3 |
| Worm.AutoRun.AJZ [PC Tools] | 3 |
| Worm.Win32.AutoRun.lld [Kaspersky Lab] | 3 |
| Net-Worm.SillyFDC [PC Tools] | 2 |
| PE_VIRUT.XL [Trend Micro] | 2 |
| Troj/SillFDC-A [Sophos] | 2 |
| Trojan.Win32.Alureon.O [Ikarus] | 2 |
| Virus.Win32.Sality.aa [Kaspersky Lab] | 2 |
| Virus.Win32.Virut.n [Kaspersky Lab] | 2 |
| Virus:Win32/Virut.AF [Microsoft] | 2 |
| W32.Sality.AE [Symantec] | 2 |
| W32/Autorun.worm.fd [McAfee] | 2 |
| W32/AutoRun-Z [Sophos] | 2 |
| Win32.Sality.AM.Gen [PC Tools] | 2 |
| Win32.Virut.Gen.5 [PC Tools] | 2 |
| Win32/Autorun.worm.133632 [AhnLab] | 2 |
| Win-Trojan/Agent.7470 [AhnLab] | 2 |
| Worm.Win32.AutoRun.ckx [Kaspersky Lab] | 2 |
| Worm.Win32.AutoRun.djx [Kaspersky Lab] | 2 |
| Worm.Win32.AutoRun.erd [Kaspersky Lab] | 2 |
| Worm.Win32.AutoRun.sbs [Kaspersky Lab] | 2 |
| Worm:Win32/Autorun [Microsoft] | 2 |
| WORM_AUTORUN.DRV [Trend Micro] | 2 |
| Mal/Generic-A, Mal/Behav-043 [Sophos] | 1 |
| Mal/SillyFDC-A, Mal/Behav-043, Mal/Sality-B [Sophos] | 1 |
| PE_DELZIUM.A [Trend Micro] | 1 |
| PE_SALITY.BU [Trend Micro] | 1 |
| Virus.Win32.Sality.y [Kaspersky Lab] | 1 |
| Virus.Win32.Sality.z [Kaspersky Lab] | 1 |
| Virus:Win32/Virut.D [Microsoft] | 1 |
| Win32.Sality.AK [PC Tools] | 1 |
| Win32.Sality.AL [PC Tools] | 1 |
| Win32.Virut.Gen [PC Tools] | 1 |
| Win32/Kashu.B [AhnLab] | 1 |
| Win-Trojan/Agent.113152.V [AhnLab] | 1 |
| Win-Trojan/Autorun.126976.C [AhnLab] | 1 |
| Worm.Win32.AutoRun.aop [Kaspersky Lab] | 1 |
| Worm.Win32.AutoRun.cys [Kaspersky Lab] | 1 |
| Worm.Win32.AutoRun.mgt [Kaspersky Lab] | 1 |
| Worm:Win32/Autorun.AP [Microsoft] | 1 |
| Worm:Win32/Autorun.OB [Microsoft] | 1 |
| WORM_AUTORUN.EI [Trend Micro] | 1 |
| WORM_POPONT.A [Trend Micro] | 1 |