| Threat Alias | Number of Incidents |
| W32.Koobface.A [Symantec] | 3,297 |
| Mal/Generic-A, Mal/KoobHeur-A [Sophos] | 2,519 |
| Worm.Win32.Koobface [Ikarus] | 2,519 |
| Net-Worm.Win32.Koobface.cln [Kaspersky Lab] | 2,448 |
| Net-Worm.Koobface [PC Tools] | 2,264 |
| Win32/Koobface.worm.50688.C [AhnLab] | 2,244 |
| Mal/KoobHeur-A, Mal/KoobHeur-A [Sophos] | 440 |
| Net-Worm.Win32.Koobface [Ikarus] | 440 |
| Net-Worm.Win32.Koobface.cvn [Kaspersky Lab] | 440 |
| Win32/Koobface.worm.50688.D [AhnLab] | 440 |
| Net-Worm.Win32.Koobface.buq [Kaspersky Lab] | 380 |
| Trojan-Proxy.Win32.Koobface [Ikarus] | 241 |
| Mal/Generic-A [Sophos] | 197 |
| Generic Proxy!m [McAfee] | 158 |
| Net-Worm.Win32.Koobface.brb [Kaspersky Lab] | 121 |
| Spyware.Perfect [Symantec] | 110 |
| Win32/Koobface.worm.51200.B [AhnLab] | 96 |
| Net-Worm.Win32.Koobface.cgk [Kaspersky Lab] | 48 |
| Mal/KoobHeur-A [Sophos] | 44 |
| Win32/Koobface.worm.51200 [AhnLab] | 44 |
| Win32/Koobface.worm.53760 [AhnLab] | 40 |
| Trojan Horse [Symantec] | 20 |
| Trojan.Win32.Agent.cwzs [Kaspersky Lab] | 4 |
| Win-Trojan/Agent.51200.JT [AhnLab] | 4 |