| Threat Alias | Number of Incidents |
| Hacktool.Rootkit [Symantec] | 28,802 |
| Rootkit.Win32.Agent.ex [Kaspersky Lab] | 20,744 |
| TrojanSpy:Win32/Ursnif [Microsoft] | 20,592 |
| TROJ_ROOTKIT.FX [Trend Micro] | 19,734 |
| Rootkit.Agent.EX [PC Tools] | 19,668 |
| Troj/Rootkit-DK [Sophos] | 19,591 |
| Rootkit.Win32.Agent.ex [Ikarus] | 16,704 |
| Win-Trojan/Agent.8192.BP [AhnLab] | 6,864 |
| Trojan-Proxy.Win32.Wopla.ag [Kaspersky Lab] | 3,528 |
| Trojan-Proxy.Wopla [PC Tools] | 3,444 |
| Rootkit.Agent!sd5 [PC Tools] | 2,780 |
| Rootkit.Win32.Agent.jj [Kaspersky Lab] | 2,160 |
| TROJ_WOPLA.CP [Trend Micro] | 1,722 |
| TROJ_WOPLA.CR [Trend Micro] | 1,722 |
| Generic.dx [McAfee] | 1,664 |
| Troj/Rootkit-ES [Sophos] | 1,287 |
| Hacktool.Rootkit!sd6 [PC Tools] | 1,284 |
| TROJ_AGENT.ZNH [Trend Micro] | 1,272 |
| Troj/NTRootK-CG [Sophos] | 1,224 |
| Virus.Win32.Trojan [Ikarus] | 1,221 |
| Rootkit.Win32.Agent [Ikarus] | 1,209 |
| Trojan:Win32/Rootkit.J [Microsoft] | 1,200 |
| Rootkit.Agent.CZBC [PC Tools] | 858 |
| TROJ_TIBS.AP [Trend Micro] | 840 |
| Packed.Win32.Tibs.ap [Kaspersky Lab] | 812 |
| Infostealer.Snifula [Symantec] | 754 |
| TROJ_AGENT.CWT [Trend Micro] | 667 |
| TROJ_AGENT.ALDB [Trend Micro] | 575 |
| Trojan-PWS.OnlineGames.ADRD [PC Tools] | 553 |
| Win-Trojan/Rootkit.39936.C [AhnLab] | 495 |
| Rootkit.Win32.Agent.sz [Kaspersky Lab] | 464 |
| Win-Trojan/Agent.18944.DS [AhnLab] | 432 |
| Adware:Win32/BHO.B [Microsoft] | 396 |
| RTKT_AGENT.AFAC [Trend Micro] | 342 |
| TROJ_AGENT.AEGL [Trend Micro] | 342 |
| Rootkit.Win32.Agent.ajg [Kaspersky Lab] | 302 |
| Mal/Generic-A [Sophos] | 299 |
| Rootkit.Win32.Agent.md [Kaspersky Lab] | 228 |
| Rootkit.Win32.Agent.me [Kaspersky Lab] | 228 |
| VirTool:WinNT/Ursnif.A [Microsoft] | 174 |
| Rootkit.Agent.WYU [PC Tools] | 171 |
| Rootkit.Agent.WYV [PC Tools] | 171 |
| Rootkit.Win32.Agent.nil [Kaspersky Lab] | 132 |
| Trojan:WinNT/Killav.DK [Microsoft] | 121 |
| Win-Trojan/Agent.3328.N [AhnLab] | 121 |
| Win-Trojan/Agent.7680.CN [AhnLab] | 116 |
| Troj/Agent-GXV [Sophos] | 100 |
| Trojan:Win32/Rootkit.AFH [Microsoft] | 100 |
| Trojan.WinNT [Ikarus] | 88 |
| Troj/Proxy-HL [Sophos] | 84 |
| Trojan-Proxy.Win32.Wopla.ag [Ikarus] | 84 |
| Trojan-Proxy.Wopla!sd5 [PC Tools] | 84 |
| Trojan.KillAV [PC Tools] | 77 |
| Infostealer [Symantec] | 75 |
| Trojan.KillAV.TE [PC Tools] | 75 |
| Rootkit.Win32.Agent.jj [Ikarus] | 72 |
| Hacktool.Rootkit!sd5 [PC Tools] | 64 |
| Rootkit.Agent.GK [PC Tools] | 64 |
| Virus.Win32.Sality [Ikarus] | 64 |
| Virus.Win32.Sality.s [Kaspersky Lab] | 64 |
| W32/Sality-AD [Sophos] | 64 |
| VirTool:Win32/Rootkit.C [Microsoft] | 56 |
| Win-Trojan/Sality.5477 [AhnLab] | 56 |
| TROJ_AGENT.FZB [Trend Micro] | 48 |
| TrojanProxy:Win32/Wopla.AG [Microsoft] | 42 |
| TrojanProxy:Win32/Wopla.X [Microsoft] | 42 |
| Win-Trojan/Wopla.30208 [AhnLab] | 42 |
| Win-Trojan/Wopla.6962 [AhnLab] | 42 |
| Troj/DwnLdr-GYV [Sophos] | 38 |
| W32/Autorun-ABE [Sophos] | 35 |
| Win-Trojan/Tcpz.170888 [AhnLab] | 35 |
| VirTool:WinNT/Knockex.D [Microsoft] | 34 |
| Trojan.Win32.Agent.kcr [Kaspersky Lab] | 32 |
| Rootkit.Win32.Agent.iny [Kaspersky Lab] | 30 |
| Rootkit.Agent!ct [PC Tools] | 29 |
| Rootkit.Win32.Agent.ajg [Ikarus] | 25 |
| Rootkit.Win32.Agent.btm [Kaspersky Lab] | 25 |
| Trojan.Win32.StartPage.apb [Kaspersky Lab] | 25 |
| Trojan-PWS.OnlineGames.AHRG [PC Tools] | 25 |
| Troj/RootKit-CK [Sophos] | 24 |
| Trojan:WinNT/Rootkitdrv [Microsoft] | 24 |
| Adware.SuperUtilBar [PC Tools] | 20 |
| Backdoor.Rootkit.W [Ikarus] | 20 |
| Infostealer.Gampass [Symantec] | 20 |
| TROJ_STARTPA.EGH [Trend Micro] | 20 |
| TSPY_ONLINE.SJ [Trend Micro] | 20 |
| VirTool:Win32/Rootkitdrv.DD [Microsoft] | 19 |
| VirTool:WinNT/Rootkitdrv.EO [Microsoft] | 19 |
| Rootkit.Win32.Agent.gvt [Kaspersky Lab] | 18 |
| Virus.Win32.Rootkit [Ikarus] | 18 |
| Trojan-Downloader.Agent.RLR [PC Tools] | 16 |
| Trojan-GameThief.Win32.OnLineGames.sjsy [Kaspersky Lab] | 16 |
| Spammer:WinNT/Srizbi.gen!B [Microsoft] | 15 |
| TROJ_AGENT.TSP [Trend Micro] | 15 |
| Trojan-PSW.Win32.OnLineGames.amoc [Kaspersky Lab] | 15 |
| Trojan-PWS.Win32.OnLineGames [Ikarus] | 15 |
| VirTool:WinNT/Fispids.gen!D [Microsoft] | 15 |
| VirTool:WinNT/Siapag.gen!B [Microsoft] | 12 |
| Mal/RootKit-Fam [Sophos] | 10 |
| Mal/TinyDL-T [Sophos] | 10 |