| Threat Alias | Number of Incidents |
| P2P-Worm.Win32.Nugg [Ikarus] | 48 |
| Backdoor.Trojan [Symantec] | 29 |
| Trojan Horse [Symantec] | 29 |
| Generic Downloader.x [McAfee] | 28 |
| P2P-Worm.Nugg!sd6 [PC Tools] | 20 |
| Win-Trojan/Agent.151552.CY [AhnLab] | 20 |
| Mal/Packer [Sophos] | 17 |
| TrojanDownloader:Win32/Tracur.A [Microsoft] | 15 |
| Downloader-BMN [McAfee] | 11 |
| Trojan-Dropper.Agent [Ikarus] | 10 |
| Downloader [Symantec] | 7 |
| TROJ_DLOADER.NOL [Trend Micro] | 7 |
| Troj/Agent-IKQ [Sophos] | 6 |
| TrojanDownloader:Win32/Tracur.B [Microsoft] | 4 |
| Trojan-Downloader.Agent!sd6 [PC Tools] | 3 |
| WORM_NUGG.C [Trend Micro] | 3 |
| Trojan-Downloader.Win32.Agent.aseo [Kaspersky Lab] | 2 |
| Trojan-Downloader.WMA.GetCodec.s [Kaspersky Lab] | 2 |
| Trojan-Downloader.WMA.GetCodec.u [Kaspersky Lab] | 2 |
| Generic.dx [McAfee] | 1 |
| Win32/Nugg.worm.77933 [AhnLab] | 1 |