| Threat Alias | Number of Incidents |
| Generic.dx [McAfee] | 74,932 |
| VirTool:WinNT/Rootkitdrv.DH [Microsoft] | 73,581 |
| Hacktool.Rootkit [Symantec] | 73,177 |
| Rootkit.Win32.Agent [Ikarus] | 71,549 |
| Win-Trojan/Agent.11904.C [AhnLab] | 68,681 |
| Trojan-Downloader.Win32.Geral.ad [Kaspersky Lab] | 42,453 |
| Rootkit.Agent!sd6 [PC Tools] | 39,783 |
| Rootkit.Win32.Agent.fkt [Kaspersky Lab] | 28,302 |
| Rootkit.Farfli.GEN [PC Tools] | 22,962 |
| Rootkit.Win32.Agent.fia [Kaspersky Lab] | 5,332 |
| Hacktool.Rootkit!sd6 [PC Tools] | 4,070 |
| New Malware.an [McAfee] | 875 |
| Trojan.KillAV [PC Tools] | 801 |
| Trojan-Proxy.Win32.Agent.ox [Kaspersky Lab] | 72 |
| Trojan-Proxy.Win32.Agent [Ikarus] | 64 |
| Win-Trojan/Agent.3584.AQ [AhnLab] | 64 |
| Trojan:Win32/Trafog!rts [Microsoft] | 40 |
| Trojan-Proxy.Agent!sd5 [PC Tools] | 40 |
| Downloader [Symantec] | 8 |
| Application.XPCSpy [PC Tools] | 6 |
| Generic Downloader.x [McAfee] | 6 |
| Generic PWS.y [McAfee] | 6 |
| Trojan Horse [Symantec] | 5 |
| Backdoor.Formador [Symantec] | 4 |
| Backdoor:WinNT/PcClient.gen [Microsoft] | 4 |
| BackDoor-CKB.sys [McAfee] | 4 |
| MonitoringTool:Win32/XPCSpyPro [Microsoft] | 4 |
| Rootkit.Agent.AITY [Ikarus] | 4 |
| Spyware.XpcSpy [Symantec] | 4 |
| Trojan.Rkproc.AN [Ikarus] | 4 |
| Trojan:WinNT/AgentHide.A [Microsoft] | 4 |
| Backdoor.Win32.PcClient [Ikarus] | 3 |
| Backdoor.Win32.PcClient.wi [Kaspersky Lab] | 3 |
| VirTool:WinNT/Dogrobot.gen!K [Microsoft] | 3 |
| Backdoor.Win32.NTRootKit.040 [Kaspersky Lab] | 2 |
| BackDoor-CKB.sys.gen [McAfee] | 2 |
| BKDR_PCCLIENT.RF [Trend Micro] | 2 |
| Generic PUP.x [McAfee] | 2 |
| Hacktool.WNT.Rootkit [Symantec] | 2 |
| NTRootKit-A [McAfee] | 2 |
| Rootkit.NT_Rootkit [PC Tools] | 2 |
| Rootkit.Win32.Agent.eso [Kaspersky Lab] | 2 |
| TROJ_ROOTKIT.DLL [Trend Micro] | 2 |
| Trojan-Downloader.Win32.Agent.aiya [Kaspersky Lab] | 2 |
| Backdoor.PCclient [PC Tools] | 1 |
| Backdoor.PcClient.ALB [PC Tools] | 1 |
| Backdoor.Trojan [Symantec] | 1 |
| Backdoor.Win32.NTRootKit [Ikarus] | 1 |
| Backdoor.Win32.PcClient.ii [Kaspersky Lab] | 1 |
| Backdoor.Win32.PcClient.sr [Kaspersky Lab] | 1 |
| Email-Worm.Bagle!sd5 [PC Tools] | 1 |
| Email-Worm.Win32.Bagle [Ikarus] | 1 |
| Email-Worm.Win32.Bagle.hj [Kaspersky Lab] | 1 |
| NTRootKit-W [McAfee] | 1 |
| Rootkit [Ikarus] | 1 |
| Rootkit.Win32.Agent.et [Ikarus] | 1 |
| Rootkit.Win32.Agent.et [Kaspersky Lab] | 1 |
| Rootkit.Win32.Agent.fqm [Kaspersky Lab] | 1 |
| Rootkit.Win32.Woshi.a [Kaspersky Lab] | 1 |
| Trojan.Agent.BVSJ [PC Tools] | 1 |
| Trojan.Rkproc.CG [Ikarus] | 1 |
| Trojan.Rkproc.CW [Ikarus] | 1 |
| Trojan:Win32/Defense [Microsoft] | 1 |
| Trojan:Win32/Rkproc.A [Microsoft] | 1 |
| VirTool:WinNT/Higlieder.gen!A [Microsoft] | 1 |
| VirTool:WinNT/Piptim [Microsoft] | 1 |
| VirTool:WinNT/Rootkitdrv.CN [Microsoft] | 1 |
| VirTool:WinNT/Rootkitdrv.CO [Microsoft] | 1 |
| VirTool:WinNT/Rootkitdrv.gen!FX [Microsoft] | 1 |
| W32.Beagle.DZ [Symantec] | 1 |
| Win-Trojan/NTRootKit_v040 [AhnLab] | 1 |
| Win-Trojan/Xema.variant [AhnLab] | 1 |