| Threat Alias | Number of Incidents |
| Trojan.Horst [Symantec] | 39 |
| Trojan.PR.Horst.ANE [PC Tools] | 26 |
| Troj/Keygen-BR [Sophos] | 20 |
| not-a-virus:Keygen.Adobe [Ikarus] | 11 |
| TROJ_HORST.HM [Trend Micro] | 11 |
| TROJ_HORST.JX [Trend Micro] | 11 |
| Win-Appcare/HackTool.174080 [AhnLab] | 10 |
| Trojan Horse [Symantec] | 8 |
| Trojan.Lootseek.AV [Symantec] | 6 |
| not-a-Virus.Keygen.PhotoshopCS3 [Ikarus] | 5 |
| Trojan-Proxy.Win32.Horst [Ikarus] | 4 |
| Trojan.Webus [Symantec] | 3 |
| Trojan-Downloader.Win32.Calac [Ikarus] | 3 |
| Trojan-Proxy.Horst!sd5 [PC Tools] | 3 |
| W32.Dedler.Worm [Symantec] | 3 |
| Backdoor.Trojan [Symantec] | 2 |
| Mal/Emogen-Y [Sophos] | 2 |
| Mal/Generic-A [Sophos] | 2 |
| TROJ_HORST.AM [Trend Micro] | 2 |
| TROJ_HORST.BO [Trend Micro] | 2 |
| TROJ_HORST.NZ [Trend Micro] | 2 |
| Trojan.Zlob [Symantec] | 2 |
| Trojan-Downloader.Win32.Agent.aoq [Kaspersky Lab] | 2 |
| Trojan-Proxy.Win32.Horst.sv [Kaspersky Lab] | 2 |
| TrojanProxy:Win32/Horst [Microsoft] | 2 |
| Trojan-Spy.Win32.Banker.ebq [Kaspersky Lab] | 2 |
| Backdoor.Agent.EIZU [PC Tools] | 1 |
| Backdoor.IRC.Bot [Symantec] | 1 |
| Backdoor.IRCBot.UVA [PC Tools] | 1 |
| Backdoor.Win32.Agent.odk [Kaspersky Lab] | 1 |
| Backdoor.Win32.Agent.uqj [Kaspersky Lab] | 1 |
| Infostealer [Symantec] | 1 |
| Infostealer.Bancos [Symantec] | 1 |
| Mal/Emogen-G [Sophos] | 1 |
| Mal/Generic-E [Sophos] | 1 |
| Mal/Horst [Sophos] | 1 |
| Mal/Horst-E [Sophos] | 1 |
| Troj/Horst-JE [Sophos] | 1 |
| TROJ_AGENT.ABUB [Trend Micro] | 1 |
| TROJ_DLOADER.VRZ [Trend Micro] | 1 |
| TROJ_DOWNLOAD.AG [Trend Micro] | 1 |
| TROJ_Generic [Trend Micro] | 1 |
| TROJ_HORST.FR [Trend Micro] | 1 |
| TROJ_HORST.FV [Trend Micro] | 1 |
| TROJ_HORST.HF [Trend Micro] | 1 |
| TROJ_HORST.HG [Trend Micro] | 1 |
| TROJ_HORST.HH [Trend Micro] | 1 |
| TROJ_HORST.KW [Trend Micro] | 1 |
| Trojan.ATRAPS [Ikarus] | 1 |
| Trojan.DL.Agent.MCT [PC Tools] | 1 |
| Trojan.Flush.G [Symantec] | 1 |
| Trojan.Horst [PC Tools] | 1 |
| Trojan-Downloader.Win32.Agent.aii [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Agent.cya [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Agent.fbe [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Calac.b [Ikarus] | 1 |
| Trojan-Downloader.Win32.Calac.bls [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Calac.bmk [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Calac.boo [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Calac.bsd [Kaspersky Lab] | 1 |
| Trojan-Downloader.Win32.Horst [Ikarus] | 1 |
| Trojan-Proxy.Win32.Horst.afu [Kaspersky Lab] | 1 |
| Trojan-Proxy.Win32.Horst.geq [Kaspersky Lab] | 1 |
| Trojan-Proxy.Win32.Horst.jy [Kaspersky Lab] | 1 |
| Trojan-Proxy.Win32.Horst.km [Kaspersky Lab] | 1 |
| Trojan-Proxy.Win32.Horst.pg [Kaspersky Lab] | 1 |
| Trojan-Proxy.Win32.Horst.vz [Kaspersky Lab] | 1 |
| Trojan-Proxy.Win32.Horst.yn [Kaspersky Lab] | 1 |
| Trojan-Spy.Banker!sd5 [PC Tools] | 1 |
| Virus.Win32.Trojan [Ikarus] | 1 |
| W32.IRCBot [Symantec] | 1 |
| Win32.SuspectCrc [Ikarus] | 1 |
| Win-Trojan/Calac.27171 [AhnLab] | 1 |
| Win-Trojan/Calac.31051 [AhnLab] | 1 |
| Win-Trojan/Proxy.148992.C [AhnLab] | 1 |
| Win-Trojan/Proxy.33792.R [AhnLab] | 1 |
| Worm.Medbot.Gen.6 [PC Tools] | 1 |
| WORM_MEDBOT.AI [Trend Micro] | 1 |