| Threat Alias | Number of Incidents |
| Trojan.Win32.Scar.acpc [Kaspersky Lab] | 80 |
| Worm:Win32/Koobface.gen!D [Microsoft] | 54 |
| Worm.Win32.Koobface [Ikarus] | 52 |
| W32.Koobface.D [Symantec] | 38 |
| Mal/KoobHeur-A [Sophos] | 35 |
| Net-Worm.Koobface [PC Tools] | 33 |
| W32.Koobface!gen [Symantec] | 32 |
| W32/Koobface.worm.gen.j [McAfee] | 31 |
| Net-Worm.Win32.Koobface.bno [Kaspersky Lab] | 30 |
| Net-Worm.Win32.Koobface.cse [Kaspersky Lab] | 28 |
| Net-Worm.Win32.Koobface [Ikarus] | 23 |
| Mal/FakeSpy-A [Sophos] | 20 |
| Net-Worm.Win32.Koobface.cjz [Kaspersky Lab] | 18 |
| Trojan.Win32.Scar [Ikarus] | 18 |
| Trojan.Win32.SuspectCRC [Ikarus] | 18 |
| Trojan.Win32.Scar.arbb [Kaspersky Lab] | 15 |
| Trojan.Win32.Scar.asbk [Kaspersky Lab] | 15 |
| Mal/EncPk-LW [Sophos] | 13 |
| W32/Koobface.worm.gen.v [McAfee] | 13 |
| Net-Worm.Win32.Koobface.csr [Kaspersky Lab] | 12 |
| Mal/Generic-A [Sophos] | 11 |
| Trojan.SuspectCRC [Ikarus] | 11 |
| W32/Koobface.worm.gen.g [McAfee] | 11 |
| Net-Worm.Win32.Koobface.brz [Kaspersky Lab] | 8 |
| Spyware.Perfect [Symantec] | 8 |
| Trojan.Win32.Scar.affc [Kaspersky Lab] | 8 |
| Mal/Generic-A, Mal/KoobHeur-A [Sophos] | 7 |
| Mal/Koobface-A, Mal/EncPk-LW [Sophos] | 7 |
| Win-Trojan/Xema.38912.D [AhnLab] | 7 |
| Troj/DwnLdr-HXV [Sophos] | 6 |
| Trojan Horse [Symantec] | 6 |
| Trojan.Generic [PC Tools] | 6 |
| Trojan.Win32.Agent.ddbk [Kaspersky Lab] | 6 |
| Win32/Koobface.worm.49152.H [AhnLab] | 6 |
| Generic.dx!hdu [McAfee] | 5 |
| W32/Koobface.worm.gen.e [McAfee] | 5 |
| W32/Koobface.worm.gen.r [McAfee] | 5 |
| Win-Trojan/Malware.36352.I [AhnLab] | 5 |
| Mal/Generic-A, Mal/EncPk-LW [Sophos] | 4 |
| Net-Worm.Win32.Koobface.bqk [Kaspersky Lab] | 4 |
| Trojan.Win32.Assist.fn [Kaspersky Lab] | 4 |
| Win32/Koobface.worm.47104 [AhnLab] | 4 |
| Win32/Koobface.worm.49152.G [AhnLab] | 4 |
| Backdoor.Win32.Bredolab.amm [Kaspersky Lab] | 3 |
| Net-Worm.Win32.Koobface.buu [Kaspersky Lab] | 3 |
| Troj/Agent-LMD [Sophos] | 3 |
| Trojan.Win32.Bredolab [Ikarus] | 3 |
| Trojan.Win32.Scar.apra [Kaspersky Lab] | 3 |
| W32/Koobface.worm.gen.o [McAfee] | 3 |
| Trojan.Win32.Assist [Ikarus] | 2 |
| Win32/Koobface.worm.49152.F [AhnLab] | 2 |
| Win-Trojan/Malware.34560 [AhnLab] | 2 |
| Win-Trojan/Malware.34560.B [AhnLab] | 2 |
| Net-Worm.Win32.Koobface.bmq [Kaspersky Lab] | 1 |
| Net-Worm.Win32.Koobface.bmw [Kaspersky Lab] | 1 |
| Net-Worm.Win32.Koobface.clr [Kaspersky Lab] | 1 |
| W32/Koobface-S [Sophos] | 1 |
| Win32/Koobface.worm.38912.CO [AhnLab] | 1 |