| Threat Alias | Number of Incidents |
| Constructor.Win32.Bifrose.j [Kaspersky Lab] | 538 |
| Backdoor.Bifrose [Symantec] | 472 |
| Constructor/Bifrose.1466368 [AhnLab] | 462 |
| BackDoor-CEP.svr [McAfee] | 363 |
| Trojan.Win32.Agent.bcn [Kaspersky Lab] | 349 |
| Mal/Bifrose-S [Sophos] | 331 |
| Backdoor:Win32/Bifrose.ACI [Microsoft] | 313 |
| Trojan Horse [Symantec] | 263 |
| Constructor:Win32/Bifrose.A [Microsoft] | 254 |
| Win-Trojan/Bifrose.29053 [AhnLab] | 242 |
| Backdoor.Bifrose [PC Tools] | 205 |
| BKDR_BIFROSE.AFU [Trend Micro] | 201 |
| Constructor.Bifrose!sd6 [PC Tools] | 179 |
| BKDR_BIFROSE.MIC [Trend Micro] | 142 |
| Mal/Bifrose-R, Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-A, Mal/Bifrose-E [Sophos] | 141 |
| BKDR_AHZE.NY [Trend Micro] | 137 |
| BackDoor-CEP.gen.au [McAfee] | 128 |
| Trojan:Win32/Midgare.A [Microsoft] | 127 |
| Backdoor:Win32/Bifrose.gen!B [Microsoft] | 123 |
| Backdoor.Bifrose!sd6 [PC Tools] | 107 |
| Mal/Bifrose-G, Mal/Bifrose-D, Mal/Bifrose-A, Mal/Bifrose-E [Sophos] | 105 |
| Infostealer [Symantec] | 103 |
| Trojan.Agent.CZZK [PC Tools] | 96 |
| Backdoor:Win32/Bifrose [Microsoft] | 92 |
| Mal/Generic-A [Sophos] | 89 |
| Virus.Win32.Virut.ce [Kaspersky Lab] | 67 |
| Win32/Virut.F [AhnLab] | 66 |
| BackDoor-CEP.gen.a [McAfee] | 61 |
| Mal/EncPk-FH [Sophos] | 61 |
| W32.Virut.CF [Symantec] | 60 |
| Backdoor.Trojan [Symantec] | 57 |
| Virus:Win32/Virut.BM [Microsoft] | 54 |
| Troj/Agent-JZZ [Sophos] | 53 |
| BackDoor-CEP.gen.g [McAfee] | 46 |
| W32/Virut.n.gen [McAfee] | 46 |
| Backdoor:Win32/Bifrose.gen!C [Microsoft] | 43 |
| Mal/Bifrose-S, W32/Scribble-B [Sophos] | 42 |
| Win-Trojan/Midgare.30208 [AhnLab] | 41 |
| Virus:Win32/Sality.AM [Microsoft] | 40 |
| W32.Sality.AE [Symantec] | 40 |
| W32/Sality-AM [Sophos] | 38 |
| Trojan.Agent.ECMZ [PC Tools] | 36 |
| Backdoor.Win32.Bifrose.aosq [Kaspersky Lab] | 35 |
| BKDR_BIFROSE.BQL [Trend Micro] | 34 |
| Backdoor.Bifrose.AHY [PC Tools] | 33 |
| Mal/UnkPack-Fam [Sophos] | 31 |
| Trojan.Win32.Monder.ybg [Kaspersky Lab] | 30 |
| Win-Trojan/Bifrose.1441792 [AhnLab] | 30 |
| Mal/Bifrose-S, Mal/Bifrose-S [Sophos] | 29 |
| TROJ_AGENT.AGY [Trend Micro] | 28 |
| Trojan.Midgare.hhn [PC Tools] | 27 |
| W32/Scribble-B [Sophos] | 25 |
| Backdoor.Win32.Bifrose.fmv [Kaspersky Lab] | 24 |
| Constructor.Win32.Bifrose.gy [Kaspersky Lab] | 24 |
| W32/Sality.gen [McAfee] | 24 |
| Backdoor.Win32.Bifrose.aleu [Kaspersky Lab] | 23 |
| Mal/Generic-E, Mal/Bifrose-S [Sophos] | 23 |
| Troj/Agent-HBG [Sophos] | 23 |
| Troj/AgentU-Fam [Sophos] | 22 |
| Backdoor:Win32/Bifrose.EY [Microsoft] | 21 |
| Constructor.Win32.Bifrose.be [Kaspersky Lab] | 21 |
| Mal/Generic-E, Mal/Bifrose-S, Mal/Bifrose-S [Sophos] | 21 |
| Trojan.Win32.Midgare.ebu [Kaspersky Lab] | 19 |
| Virus:Win32/Sality.G [Microsoft] | 19 |
| Win-Trojan/Agent.39936.AP [AhnLab] | 19 |
| PE_SALITY.AE [Trend Micro] | 18 |
| Virus.Win32.Sality.l [Kaspersky Lab] | 18 |
| W32.HLLP.Sality.O [Symantec] | 18 |
| Backdoor.Win32.Bifrose.cnx [Kaspersky Lab] | 17 |
| Constructor.Win32.Bifrose [Ikarus] | 17 |
| Constructor/Bifrose.1905098 [AhnLab] | 16 |
| Packed.Win32.Black.a [Kaspersky Lab] | 16 |
| VirTool:Win32/Injector.gen!AG [Microsoft] | 16 |
| W32.Almanahe.B!inf [Symantec] | 16 |
| W32/Tuareg-C [Sophos] | 16 |
| PE_CORELINK.C-1 [Trend Micro] | 15 |
| Virus.Win32.Alman.b [Kaspersky Lab] | 15 |
| Virus:Win32/Almanahe.B [Microsoft] | 15 |
| Virus.Win32.Sality.aa [Kaspersky Lab] | 14 |
| Win32.Sality.L [PC Tools] | 14 |
| Win32/Alman.C [AhnLab] | 14 |
| Backdoor:Win32/Bifrose.ES [Microsoft] | 13 |
| W32/Almanahe.c [McAfee] | 13 |
| Win32/Kashu.B [AhnLab] | 13 |
| Backdoor.Win32.Agent.uek [Kaspersky Lab] | 12 |
| Backdoor-CEP [McAfee] | 12 |
| Constructor/Bifrose.1466056 [AhnLab] | 12 |
| Mal/EncPk-DM [Sophos] | 12 |
| Virus.Win32.Sality.z [Kaspersky Lab] | 12 |
| W32/Sality.n [McAfee] | 12 |
| W32/Sality-I [Sophos] | 12 |
| Backdoor:Win32/Bifrose.AE [Microsoft] | 11 |
| Backdoor:Win32/IRCbot.gen!K [Microsoft] | 11 |
| BackDoor-CEP.gen [McAfee] | 11 |
| Constructor.Bifrose.FLX [PC Tools] | 11 |
| Backdoor.Win32.Bifrose.bgn [Kaspersky Lab] | 10 |
| Packed.Generic.56 [Symantec] | 10 |
| PE_SALITY.EK [Trend Micro] | 10 |
| Troj/AgentU-Fam, Mal/Behav-274 [Sophos] | 10 |
| Win-Trojan/Bifrose.2017280 [AhnLab] | 10 |