| Threat Alias | Number of Incidents |
| Backdoor.Win32.UltimateDefender.a [Kaspersky Lab] | 45 |
| Hacktool.Rootkit [Symantec] | 45 |
| VirTool:WinNT/Xantvi.gen!A [Microsoft] | 45 |
| Mal/FakeAle-C [Sophos] | 44 |
| Rootkit.Renos.Gen.11 [PC Tools] | 39 |
| NTRootKit-AC [McAfee] | 37 |
| FakeAlert-C.dr [McAfee] | 10 |
| Adware.Agent.ZO [PC Tools] | 8 |
| Troj/Agent-HHC [Sophos] | 3 |
| Backdoor.Win32.UltimateDefender [Ikarus] | 2 |
| not-a-virus:FraudTool.Win32.UltimateDefender.cm [Kaspersky Lab] | 2 |
| TROJ_VIRANTIX.AQ [Trend Micro] | 2 |
| Trojan.Virantix.C [Symantec] | 2 |
| VirTool:WinNT/Xantvi.A [Microsoft] | 2 |
| not-a-virus:FraudTool.Win32.UltimateDefender.cm [Ikarus] | 1 |
| TROJ_VIRANTIX.C [Trend Micro] | 1 |
| Win-Trojan/Ultimatedefender.28160.AT [AhnLab] | 1 |