| Threat Alias | Number of Incidents |
| W32.SillyDC [Symantec] | 103 |
| W32/Autorun.worm.bl [McAfee] | 80 |
| Trojan-Downloader.Agent!sd6 [PC Tools] | 64 |
| Trojan:Win32/Alureon.gen!O [Microsoft] | 45 |
| Mal/AdvPatch-A [Sophos] | 40 |
| Trojan-Dropper.Agent [Ikarus] | 34 |
| W32.Tidserv [Symantec] | 28 |
| Trojan:Win32/Alureon.gen!J [Microsoft] | 24 |
| W32/Autorun-LL [Sophos] | 20 |
| Mal/Generic-A [Sophos] | 18 |
| Win-Trojan/Autorun.7458 [AhnLab] | 12 |
| W32/Autorun.worm.fd [McAfee] | 8 |
| Generic Downloader.x [McAfee] | 5 |
| W32/Autorun-NC [Sophos] | 2 |
| Trojan.Zlob [Symantec] | 1 |