| Threat Alias | Number of Incidents |
| Backdoor.Delf.WZW [PC Tools] | 9 |
| W32/Kespo.a [McAfee] | 9 |
| Virus.Win32.Nakuru.a [Kaspersky Lab] | 8 |
| Troj/Bckdr-QIX [Sophos] | 6 |
| Virus:Win32/Nakuru.A [Microsoft] | 6 |
| W32.Tupofse.B!inf [Symantec] | 6 |
| Virus.Win32.Nakuru.a [Ikarus] | 4 |
| Win-Trojan/Xema.variant [AhnLab] | 2 |