| Threat Alias | Number of Incidents |
| BackDoor-CEP.gen.g [McAfee] | 665 |
| Backdoor.Bifrose [Symantec] | 630 |
| Win-Trojan/Midgare.32256 [AhnLab] | 507 |
| Backdoor.Win32.Bifrose [Ikarus] | 476 |
| Backdoor.Trojan [Symantec] | 439 |
| Backdoor.Win32.Bifrose.fpb [Kaspersky Lab] | 395 |
| Trojan.Midgare.hhn [PC Tools] | 350 |
| BKDR_AHZE.SMM [Trend Micro] | 299 |
| Virus.Trojan.Win32.Midgare [Ikarus] | 279 |
| BackDoor-CEP.gen.av [McAfee] | 274 |
| BKDR_AHZE.NY [Trend Micro] | 258 |
| Infostealer [Symantec] | 227 |
| Mal/Bifrose-X, Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH [Sophos] | 190 |
| Backdoor.Win32.Bifrose.fsi [Kaspersky Lab] | 169 |
| Troj/Bifrose-WC [Sophos] | 152 |
| Trojan-PSW.Generic [PC Tools] | 150 |
| Mal/EncPk-FL [Sophos] | 147 |
| Backdoor.Bifrose [PC Tools] | 129 |
| Mal/Bifrose-X, Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH, Mal/Bifrose-Z [Sophos] | 127 |
| BackDoor-CEP [McAfee] | 113 |
| Mal/Generic-E, Mal/EncPk-FH [Sophos] | 99 |
| Mal/EncPk-FH [Sophos] | 97 |
| BKDR_BIFROSE.FG [Trend Micro] | 92 |
| Troj/Bifrose-XG [Sophos] | 89 |
| Mal/Bifrose-Z, Mal/Bifrose-X, Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH [Sophos] | 77 |
| Backdoor.Bifrose!sd6 [PC Tools] | 72 |
| Trojan.Win32.Midgare.fcz [Kaspersky Lab] | 70 |
| Trojan.Midgare!sd6 [PC Tools] | 68 |
| Backdoor.Win32.Bifrose.brno [Kaspersky Lab] | 64 |
| Win-Trojan/Bifrose.29599.C [AhnLab] | 64 |
| Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH [Sophos] | 48 |
| Mal/Generic-A [Sophos] | 48 |
| Trojan.Win32.Midgare.hhn [Kaspersky Lab] | 47 |
| Win-Trojan/Bifrose.59904.E [AhnLab] | 44 |
| BackDoor-CEP.gen.a [McAfee] | 35 |
| Troj/Bifrose-WT [Sophos] | 32 |
| Trojan Horse [Symantec] | 26 |
| Mal/Midgar-A, Mal/EncPk-FH [Sophos] | 25 |
| Mal/Bifrose-X, Mal/EncPk-FH [Sophos] | 24 |
| Win-Trojan/Bifrose.30208.S [AhnLab] | 23 |
| BackDoor-CEP!hv.a [McAfee] | 19 |
| Troj/Bifrose-WS [Sophos] | 18 |
| Backdoor.Win32.Bifrose.ahlf [Kaspersky Lab] | 16 |
| BackDoor-CEP.gen.aw [McAfee] | 16 |
| Packer.Pohernah.E [Ikarus] | 14 |
| Trojan.Generic [PC Tools] | 14 |
| Backdoor.Trojan [PC Tools] | 13 |
| Backdoor-CEP [McAfee] | 13 |
| Mal/Bifrose-X, Mal/Behav-352, Mal/Midgar-A, Mal/Bifrose-Z [Sophos] | 13 |
| Spyware.Screenspy [Symantec] | 13 |
| Trojan.Win32.Buzus.cqej [Kaspersky Lab] | 13 |
| Backdoor.Win32.Bifrose.akbc [Kaspersky Lab] | 12 |
| Backdoor.Win32.Bifrose.apav [Kaspersky Lab] | 12 |
| Mal/Bifrose-X, Mal/Behav-352, Mal/Midgar-A [Sophos] | 12 |
| Win-Trojan/Bifrose.55965 [AhnLab] | 12 |
| Win-Trojan/Midgare.55629 [AhnLab] | 12 |
| Packed.Win32.Krap.c [Kaspersky Lab] | 11 |
| Spyware.Screenspy [PC Tools] | 11 |
| Virus.Win32.Bifrose [Ikarus] | 11 |
| Mal/Bifrose-V [Sophos] | 10 |
| Trojan.Win32.Inject.aflm [Kaspersky Lab] | 10 |
| Backdoor.Win32.Bifrose.aivg [Kaspersky Lab] | 9 |
| Backdoor.Win32.Bifrose.amgm [Kaspersky Lab] | 9 |
| Backdoor.Win32.Bifrose.aodq [Kaspersky Lab] | 9 |
| BKDR_BIFROSE.GAT [Trend Micro] | 9 |
| Trojan.Win32.Refroso.wwn [Kaspersky Lab] | 9 |
| Trojan-Dropper.SAG [Ikarus] | 9 |
| Virus.Trojan.Win32.Midgare.hhn [Ikarus] | 9 |
| Win-Trojan/LdPinch.37151 [AhnLab] | 9 |
| Backdoor.Win32.Bifrose.amnw [Kaspersky Lab] | 8 |
| Trojan:Win32/Midgare.A [Microsoft] | 7 |
| Win-Trojan/Midgare.30208 [AhnLab] | 7 |
| Backdoor.Win32.Bifrose.akno [Kaspersky Lab] | 6 |
| Backdoor.Win32.Bifrose.alep [Kaspersky Lab] | 6 |
| Mal/Bifrose-Z [Sophos] | 6 |
| Mal/EncPk-IT, Mal/EncPk-FL [Sophos] | 6 |
| Packed.Win32.PePatch.lc [Kaspersky Lab] | 6 |
| Troj/Bazus-A [Sophos] | 6 |
| Win-Trojan/Bifrose.55629.AA [AhnLab] | 6 |
| Win-Trojan/Bifrose.55895 [AhnLab] | 6 |
| Backdoor.Win32.Bifrose.ampc [Kaspersky Lab] | 5 |
| Backdoor.Win32.Bifrose.tvk [Kaspersky Lab] | 5 |
| Generic PWS.a [McAfee] | 5 |
| Mal/Bifrose-X [Sophos] | 5 |
| Backdoor.Win32.Bifrose.akan [Kaspersky Lab] | 4 |
| Backdoor.Win32.Bifrose.akqb [Kaspersky Lab] | 4 |
| Backdoor.Win32.Bifrose.aloe [Kaspersky Lab] | 4 |
| Backdoor.Win32.Bifrose.alqu [Kaspersky Lab] | 4 |
| Backdoor.Win32.Bifrose.anfj [Kaspersky Lab] | 4 |
| Backdoor.Win32.Bifrose.aqkn [Kaspersky Lab] | 4 |
| Backdoor.Win32.Bifrose.fqm [Kaspersky Lab] | 4 |
| Backdoor:Win32/Agent.CQ [Microsoft] | 4 |
| BackDoor-CEP!hv.l [McAfee] | 4 |
| Backdoor-CEP.gen.i [McAfee] | 4 |
| BackDoor-DVR [McAfee] | 4 |
| Mal/Generic-A, Mal/Bifrose-V [Sophos] | 4 |
| Packed.Win32.VBCrypt.m [Kaspersky Lab] | 4 |
| Suspicious.Bifrose [Symantec] | 4 |
| Trojan.Win32.Midgare.afut [Kaspersky Lab] | 4 |
| Trojan.Win32.Midgare.sdw [Kaspersky Lab] | 4 |