| Threat Alias | Number of Incidents |
| BackDoor-CEP.svr [McAfee] | 255 |
| Backdoor:Win32/Bifrose.ACI [Microsoft] | 230 |
| Trojan.Win32.Agent.bcn [Kaspersky Lab] | 197 |
| Trojan Horse [Symantec] | 152 |
| Virus.Win32.Bifrose [Ikarus] | 142 |
| Win-Trojan/Bifrose.29053 [AhnLab] | 139 |
| Trojan.Agent.CZZK [PC Tools] | 119 |
| Infostealer [Symantec] | 83 |
| Backdoor.Bifrose.AHY [PC Tools] | 62 |
| Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-A, Mal/Bifrose-E [Sophos] | 59 |
| Backdoor.Bifrose [Symantec] | 53 |
| Mal/Bifrose-R, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-A, Mal/Bifrose-E [Sophos] | 47 |
| Backdoor.Bifrost [Ikarus] | 38 |
| Dropper/Agent.29565 [AhnLab] | 35 |
| Backdoor.Win32.Bifrose.fny [Kaspersky Lab] | 31 |
| Backdoor:Win32/Bifrose.gen!C [Microsoft] | 30 |
| Mal/Bifrose-R, Mal/Bifrose-E [Sophos] | 30 |
| Backdoor.Win32.Bifrose.fmv [Kaspersky Lab] | 29 |
| Backdoor.Bifrose [PC Tools] | 27 |
| BackDoor-CEP.gen [McAfee] | 20 |
| Mal/Bifrose-E [Sophos] | 17 |
| Mal/Bifrose-Y, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-Y, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-E, Mal/Bifrose-R, Mal/Bifrose-A, Mal/Bifrose-R, Mal/Bifrose-A [Sophos] | 17 |
| Mal/Bifrose-Y, Mal/Bifrose-R, Mal/Bifrose-E, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-A [Sophos] | 15 |
| Mal/Generic-E, Mal/Bifrose-R, Mal/Bifrose-E, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-A [Sophos] | 12 |
| Troj/Agent-JZZ [Sophos] | 11 |
| Win-Trojan/Bifrose.29053.AW [AhnLab] | 11 |
| Mal/EncPk-FL, Mal/EncPk-IT [Sophos] | 10 |
| Trojan.Generic [Ikarus] | 10 |
| Virus:Win32/Virut.BM [Microsoft] | 8 |
| Win-Trojan/Bifrose.28672.AE [AhnLab] | 8 |
| Trojan-PSW.Generic [PC Tools] | 7 |
| Backdoor.Bifrose!sd6 [PC Tools] | 6 |
| BKDR_BIFROSE.AIP [Trend Micro] | 6 |
| Mal/Bifrose-E, Mal/Bifrose-R, Mal/Bifrose-R [Sophos] | 6 |
| Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-E [Sophos] | 6 |
| Mal/Bifrose-D [Sophos] | 5 |
| Virus.Win32.Bifrose.DPA [Ikarus] | 5 |
| Backdoor.Bifrose.RH.Gen [PC Tools] | 4 |
| Backdoor.Win32.Bifrose.ahyc [Kaspersky Lab] | 4 |
| Mal/EncPk-IT, Mal/Bifrose-E, Mal/EncPk-FL [Sophos] | 4 |
| Troj/Agent-HBG [Sophos] | 4 |
| Win32/Virut.F [AhnLab] | 4 |
| Backdoor.Win32.Bifrose [Ikarus] | 3 |
| Backdoor.Win32.Bifrose.bgn [Kaspersky Lab] | 3 |
| Backdoor:Win32/Bifrose [Microsoft] | 3 |
| Mal/Bifrose-G, Mal/Bifrose-E [Sophos] | 3 |
| Mal/Bifrose-R, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-A, Mal/Bifrose-E, W32/Scribble-B [Sophos] | 3 |
| Mal/Bifrose-Y, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-Y, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-E, Mal/Bifrose-R, Mal/Bifrose-A, Mal/Bifrose-R, Mal/Bifrose-A, W32/Scribble-B [Sophos] | 3 |
| Mal/Generic-A [Sophos] | 3 |
| Win-Trojan/Agent.29085.M [AhnLab] | 3 |
| Backdoor.Bifrose!ct [PC Tools] | 2 |
| Backdoor.Win32.Bifrose.fba [Kaspersky Lab] | 2 |
| Backdoor-CEP [McAfee] | 2 |
| BackDoor-CEP [McAfee] | 2 |
| Mal/Behav-103, Mal/Behav-043 [Sophos] | 2 |
| Mal/Bifrose-D, Mal/Bifrose-A [Sophos] | 2 |
| Mal/Bifrose-E, W32/Scribble-B [Sophos] | 2 |
| Mal/Bifrose-G, Mal/Bifrose-D, Mal/Behav-103, Mal/Bifrose-E, Mal/Behav-043 [Sophos] | 2 |
| Mal/Bifrose-H, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-E [Sophos] | 2 |
| Mal/Bifrose-R, Mal/Bifrose-E, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-A [Sophos] | 2 |
| Mal/Bifrose-Y, Mal/Bifrose-E, Mal/Bifrose-G, Mal/Bifrose-D [Sophos] | 2 |
| Mal/Bifrose-Y, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-Y, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-E [Sophos] | 2 |
| Mal/UnkPack-Fam [Sophos] | 2 |
| New Win32 [McAfee] | 2 |
| W32.Virut.CF [Symantec] | 2 |
| W32/Virut.n.gen [McAfee] | 2 |
| Win-Trojan/Bifrose.29053.BW [AhnLab] | 2 |
| Adware.Adhelper [Symantec] | 1 |
| Backdoor.Win32.Bifrose.ancu [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.aoxj [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.bbt [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.bhqf [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.cnx [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.qiw [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.tiu [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.xlw [Kaspersky Lab] | 1 |
| BackDoor-CEP!o [McAfee] | 1 |
| Mal/Behav-160 [Sophos] | 1 |
| Mal/Bifrose-G, Mal/Bifrose-A, Mal/Bifrose-E [Sophos] | 1 |
| Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-E, W32/Scribble-B [Sophos] | 1 |
| Mal/Bifrose-P [Sophos] | 1 |
| Mal/Bifrose-R, Mal/Bifrose-E, W32/Scribble-B [Sophos] | 1 |
| Mal/Bifrose-Y, Mal/Bifrose-G, Mal/Bifrose-Y, Mal/Bifrose-G, Mal/Bifrose-E [Sophos] | 1 |
| Mal/Bifrose-Y, Mal/Bifrose-G, Mal/Bifrose-Y, Mal/Bifrose-G, Mal/Bifrose-E, Mal/Bifrose-R, Mal/Bifrose-A, Mal/Bifrose-R, Mal/Bifrose-A [Sophos] | 1 |
| Mal/EncPk-FL [Sophos] | 1 |
| Mal/EncPk-FL, Mal/Bifrose-E [Sophos] | 1 |
| Mal/EncPk-IT [Sophos] | 1 |
| Mal/EncPk-IT, Mal/Bifrose-R, Mal/EncPk-FL, Mal/Bifrose-E [Sophos] | 1 |
| Mal/EncPk-IT, Mal/EncPk-FL, Mal/Bifrose-E [Sophos] | 1 |
| Mal/Generic-A, Mal/Behav-103, Mal/Behav-043 [Sophos] | 1 |
| Mal/Generic-E, Mal/Bifrose-E, Mal/Bifrose-G, Mal/Bifrose-D [Sophos] | 1 |
| Packed.Win32.PePatch.lc [Kaspersky Lab] | 1 |
| Suspicious.Bifrose [Symantec] | 1 |
| Virus.Win32.Bifrose.DPF [Ikarus] | 1 |
| W32/Scribble-B [Sophos] | 1 |
| Win-Trojan/Bifrose.28672.D [AhnLab] | 1 |
| Win-Trojan/Bifrose.28672.O [AhnLab] | 1 |
| Win-Trojan/Bifrose.29053.BA [AhnLab] | 1 |
| Win-Trojan/Bifrose.30208.Q [AhnLab] | 1 |
| Win-Trojan/Bifrose.53760.D [AhnLab] | 1 |