| Threat Alias | Number of Incidents |
| Backdoor.Trojan [Symantec] | 1,382 |
| Backdoor:Win32/Bifrose.AE [Microsoft] | 1,079 |
| Backdoor.Bifrose [Symantec] | 920 |
| Trojan Horse [Symantec] | 902 |
| BackDoor-CEP.svr [McAfee] | 768 |
| Win32/IRCBot.worm.variant [AhnLab] | 600 |
| BackDoor-CEP.gen.g [McAfee] | 598 |
| Backdoor.Win32.Bifrose [Ikarus] | 575 |
| BackDoor-DVR [McAfee] | 566 |
| Infostealer [Symantec] | 512 |
| Backdoor.Win32.IRCBot [Ikarus] | 511 |
| Backdoor.Win32.IRCBot.jvw [Kaspersky Lab] | 501 |
| Backdoor:Win32/Bifrose.ACI [Microsoft] | 497 |
| Win-Trojan/Midgare.32256 [AhnLab] | 474 |
| VirTool:Win32/CeeInject.gen!R [Microsoft] | 454 |
| Mal/Inject-M [Sophos] | 444 |
| Virus.Win32.Bifrose [Ikarus] | 406 |
| Trojan.Win32.Agent.bcn [Kaspersky Lab] | 401 |
| Trojan:Win32/Midgare.A [Microsoft] | 387 |
| Backdoor.Win32.Bifrose.fpb [Kaspersky Lab] | 379 |
| Backdoor.IRCBot!sd6 [PC Tools] | 371 |
| Trojan.Midgare.hhn [PC Tools] | 370 |
| BKDR_AHZE.NY [Trend Micro] | 342 |
| Win-Trojan/Bifrose.29053 [AhnLab] | 336 |
| Trojan.Dropper [Symantec] | 328 |
| BKDR_AHZE.SMM [Trend Micro] | 322 |
| Mal/Generic-A [Sophos] | 308 |
| BackDoor-CEP [McAfee] | 294 |
| BKDR_BIFROSE.AFU [Trend Micro] | 286 |
| VirTool:Win32/Injector.gen!AG [Microsoft] | 265 |
| Backdoor.Bifrose [PC Tools] | 262 |
| VirTool.Win32.Injector [Ikarus] | 241 |
| Virus.Trojan.Win32.Midgare [Ikarus] | 225 |
| Mal/EncPk-FL [Sophos] | 221 |
| BackDoor-CEP.gen.a [McAfee] | 219 |
| VirTool:Win32/Injector.gen!R [Microsoft] | 218 |
| Mal/Bifrose-X, Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH [Sophos] | 211 |
| Backdoor.Trojan [PC Tools] | 206 |
| BackDoor-CEP.gen.av [McAfee] | 204 |
| Trojan-PSW.Generic [PC Tools] | 183 |
| Mal/EncPk-FH [Sophos] | 181 |
| Win-Trojan/Xema.variant [AhnLab] | 175 |
| Trojan.Agent.CZZK [PC Tools] | 171 |
| Backdoor:Win32/Agent.CQ [Microsoft] | 164 |
| Backdoor.Win32.Bifrose.fsi [Kaspersky Lab] | 163 |
| Troj/Agent-JZZ [Sophos] | 162 |
| BKDR_BIFROSE.MIC [Trend Micro] | 161 |
| VirTool:Win32/CeeInject.gen!J [Microsoft] | 156 |
| VirTool.Win32.CeeInject [Ikarus] | 155 |
| Backdoor.Bifrose!sd6 [PC Tools] | 153 |
| Trojan.Win32.Midgare [Ikarus] | 150 |
| Suspicious.MH690 [Symantec] | 145 |
| Trojan.Generic [PC Tools] | 138 |
| Backdoor:Win32/Bifrose.EY [Microsoft] | 119 |
| Mal/Bifrose-X, Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH, Mal/Bifrose-Z [Sophos] | 116 |
| Suspicious.Bifrose [Symantec] | 109 |
| Mal/Bifrose-R, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-A, Mal/Bifrose-E [Sophos] | 108 |
| Mal/Bckdr-C, Mal/Inject-M [Sophos] | 104 |
| Downloader [Symantec] | 102 |
| Trojan.Midgare!sd6 [PC Tools] | 102 |
| Backdoor.Win32.Bifrose.aci [Kaspersky Lab] | 99 |
| BackDoor-CEP.gen.am [McAfee] | 95 |
| Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-A, Mal/Bifrose-E [Sophos] | 94 |
| VirTool:Win32/DelfInject.gen!AA [Microsoft] | 94 |
| Backdoor.IRC.Bot [Symantec] | 91 |
| BKDR_AGENT.XQB [Trend Micro] | 89 |
| VirTool:Win32/DelfInject.gen!N [Microsoft] | 89 |
| Mal/Generic-E, Mal/EncPk-FH [Sophos] | 88 |
| VirTool.Win32.VBInject [Ikarus] | 86 |
| BKDR_BIFROSE.AQR [Trend Micro] | 84 |
| Troj/Agent-HTK [Sophos] | 84 |
| Win-Trojan/Injector.40829 [AhnLab] | 82 |
| Generic.dx [McAfee] | 81 |
| Troj/LdPinch-RT [Sophos] | 80 |
| Troj/Refroso-D [Sophos] | 80 |
| Trojan.Win32.Midgare.fcz [Kaspersky Lab] | 80 |
| Backdoor.Win32.IRCBot.irl [Kaspersky Lab] | 78 |
| Backdoor:Win32/Bifrose [Microsoft] | 78 |
| VirTool:Win32/Injector.gen!W [Microsoft] | 78 |
| BKDR_BIFROSE.FG [Trend Micro] | 76 |
| Mal/Bifrose-Z, Mal/Bifrose-X, Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH [Sophos] | 75 |
| MultiDropper-RY [McAfee] | 75 |
| VirTool.Win32.DelfInject [Ikarus] | 75 |
| Troj/Bifrose-XG [Sophos] | 73 |
| Troj/Bifrose-WC [Sophos] | 72 |
| Trojan.Win32.Midgare.hhn [Kaspersky Lab] | 72 |
| Backdoor.Win32.Bifrose.aosq [Kaspersky Lab] | 70 |
| Backdoor-CEP.gen.q [McAfee] | 70 |
| Backdoor.Bifrose.AHY [PC Tools] | 69 |
| TROJ_BUZUS.TCC [Trend Micro] | 68 |
| Virus.Win32.Injector [Ikarus] | 68 |
| VirTool:Win32/VBInject.gen!AN [Microsoft] | 66 |
| Win-Trojan/Agent.39936.AP [AhnLab] | 66 |
| Backdoor.Bifrose.EZC [PC Tools] | 65 |
| VirTool:Win32/DelfInject.gen!L [Microsoft] | 65 |
| Virus:Win32/Sality.AM [Microsoft] | 65 |
| Virus.Win32.Buzus [Ikarus] | 64 |
| Backdoor.Win32.Bifrose.fms [Kaspersky Lab] | 63 |
| VirTool:Win32/VBInject.gen!U [Microsoft] | 62 |
| Backdoor:Win32/Agent [Microsoft] | 61 |