| Threat Alias | Number of Incidents |
| not-a-virus:NetTool.Win32.Agent.b [Kaspersky Lab] | 15,405 |
| Hacktool [Symantec] | 15,366 |
| Trojan:Win32/Pepatch.E [Microsoft] | 14,352 |
| Trojan-Downloader.Agent.AEN [PC Tools] | 11,895 |
| BackDoor-AWQ [McAfee] | 9,399 |
| Mal/Packer, Mal/EncPk-AI [Sophos] | 7,644 |
| Mal/EncPk-AI [Sophos] | 6,825 |
| Generic Malware.bc [McAfee] | 4,290 |
| Mal_MLWR-5 [Trend Micro] | 4,017 |
| Trojan-Dropper.Agent [Ikarus] | 3,900 |
| Virus.Win32.Virtualizer [Ikarus] | 2,223 |
| Generic Dropper.ex [McAfee] | 1,443 |
| not-a-virus:NetTool.Win32.Agent.b [Ikarus] | 1,053 |
| Backdoor.Win32.Popwin [Ikarus] | 741 |
| Trojan-PWS.Win32.Maran [Ikarus] | 468 |
| not-a-virus:NetTool.Win32.Agent [Ikarus] | 429 |
| Win-Trojan/HackTool.13531 [AhnLab] | 390 |
| Mal/EncPk-AI, Mal/Packer [Sophos] | 195 |
| TROJ_NSPM.RD [Trend Micro] | 156 |
| Backdoor.Win32.Popwin.beg [Ikarus] | 117 |
| Packed/NSPack [PC Tools] | 117 |
|