| Threat Alias | Number of Incidents |
| Downloader [Symantec] | 21 |
| Net-Worm.Win32.Koobface.cci [Kaspersky Lab] | 16 |
| Win32/Koobface.worm.17408.M [AhnLab] | 16 |
| Net-Worm.Win32.Koobface.csy [Kaspersky Lab] | 15 |
| Downloader.Generic [PC Tools] | 12 |
| Generic.dx!iuf [McAfee] | 5 |
| Net-Worm.Koobface [PC Tools] | 5 |
| Win32/Koobface.worm.17408.Q [AhnLab] | 5 |
| Net-Worm.Win32.Koobface [Ikarus] | 3 |
| Net-Worm.Win32.Koobface.brr [Kaspersky Lab] | 2 |
| Trojan.Win32.Koobface [Ikarus] | 2 |
| Net-Worm.Win32.Koobface.biu [Kaspersky Lab] | 1 |
| Net-Worm.Win32.Koobface.cvd [Kaspersky Lab] | 1 |
| Win32.SuspectCrc [Ikarus] | 1 |