| Threat Alias | Number of Incidents |
| Virus.Win32.Nakuru.a [Kaspersky Lab] | 242 |
| Backdoor.Delf [Symantec] | 187 |
| Generic BackDoor.d [McAfee] | 114 |
| PE_KESPO.C-O [Trend Micro] | 114 |
| Backdoor.DR.Delf.WZW [PC Tools] | 103 |
| PE_NAKURU.A-O [Trend Micro] | 96 |
| Backdoor.Delf.WZX [PC Tools] | 84 |
| Backdoor.Nakuru.A [PC Tools] | 66 |
| TROJ_NAKURU.A [Trend Micro] | 66 |
| Bloodhound.Unknown [Symantec] | 48 |
| W32.Tupofse.B [Symantec] | 48 |
| W32/Kespo-A [Sophos] | 48 |
| Troj/Delf-EVA [Sophos] | 20 |
| Mal/Generic-A [Sophos] | 18 |
| Win-Trojan/Xema.variant [AhnLab] | 18 |
| Virus.Win32.Nakuru [Ikarus] | 6 |
| Backdoor.Delf.WZW [PC Tools] | 5 |
| Troj/Bckdr-QIX [Sophos] | 5 |
| Virus:Win32/Nakuru.A [Microsoft] | 5 |
| W32.Tupofse.B!inf [Symantec] | 5 |
| W32/Kespo.a [McAfee] | 5 |
| PE_KESPO.C [Trend Micro] | 4 |
| Generic.dx [McAfee] | 1 |
| Mal/HckPk-D [Sophos] | 1 |
| PE_NAKURU.C [Trend Micro] | 1 |