| Threat Alias | Number of Incidents |
| BackDoor-CEP.gen.g [McAfee] | 332 |
| Win-Trojan/Midgare.32256 [AhnLab] | 318 |
| Backdoor:Win32/Bifrose.AE [Microsoft] | 299 |
| Trojan.Midgare.hhn [PC Tools] | 280 |
| Backdoor.Win32.Bifrose.fpb [Kaspersky Lab] | 279 |
| Backdoor.Trojan [Symantec] | 263 |
| Mal/Bifrose-X, Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH [Sophos] | 159 |
| Backdoor.Bifrose [Symantec] | 103 |
| Virus.Trojan.Win32.Midgare [Ikarus] | 71 |
| Mal/Bifrose-X, Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH, Mal/Bifrose-Z [Sophos] | 68 |
| Trojan.Win32.Midgare.fcz [Kaspersky Lab] | 50 |
| Trojan.Midgare!sd6 [PC Tools] | 46 |
| VirTool:Win32/Injector.gen!AG [Microsoft] | 39 |
| Mal/Bifrose-X, Mal/EncPk-FH [Sophos] | 35 |
| BKDR_AHZE.NY [Trend Micro] | 32 |
| Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH [Sophos] | 25 |
| Mal/EncPk-FH [Sophos] | 22 |
| Win-Trojan/Midgare.30208 [AhnLab] | 19 |
| Backdoor:Win32/Bifrose.HM [Microsoft] | 18 |
| BackDoor-CEP.gen.a [McAfee] | 17 |
| Infostealer [Symantec] | 17 |
| Mal/Generic-A [Sophos] | 16 |
| Backdoor.Bifrose [PC Tools] | 15 |
| Mal/Generic-E, Mal/EncPk-FH [Sophos] | 15 |
| Win-Trojan/Midgare.30590 [AhnLab] | 14 |
| Mudgare.a [McAfee] | 10 |
| Trojan.Win32.Monder.ybg [Kaspersky Lab] | 10 |
| Trojan.Win32.Refroso.wwn [Kaspersky Lab] | 9 |
| Virus.Win32.Bifrose [Ikarus] | 8 |
| Trojan:Win32/Midgare.A [Microsoft] | 7 |
| W32/Sality-AM [Sophos] | 7 |
| Backdoor.Trojan [PC Tools] | 5 |
| Mal/Bifrose-Z, Mal/Bifrose-X, Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH [Sophos] | 5 |
| Mal/EncPk-KZ, Mal/EncPk-FH [Sophos] | 5 |
| Mudgare.gen.b [McAfee] | 5 |
| Virus.Trojan.Win32.Midgare.hhn [Ikarus] | 5 |
| Virus:Win32/Sality.AM [Microsoft] | 5 |
| W32.Virut.CF [Symantec] | 5 |
| W32/Sality.gen [McAfee] | 5 |
| Win32/Kashu.B [AhnLab] | 5 |
| Backdoor.Win32.Bifrose.bmzp [Kaspersky Lab] | 4 |
| Backdoor-CEP.gen.i [McAfee] | 4 |
| Mal/Bifrose-X [Sophos] | 4 |
| Trojan.Win32.Midgare [Ikarus] | 4 |
| Virus:Win32/Virut.BM [Microsoft] | 4 |
| W32.Sality.AE [Symantec] | 4 |
| Backdoor.Bifrose!sd6 [PC Tools] | 3 |
| Backdoor.Win32.Bifrose.abjs [Kaspersky Lab] | 3 |
| BackDoor-CEP!hv.a [McAfee] | 3 |
| Mal/Bifrose-X, Mal/Midgar-A, Mal/EncPk-FH [Sophos] | 3 |
| Mal/EncPk-FH, Mal/EncPk-KZ [Sophos] | 3 |
| W32/Sality.gen.b [McAfee] | 3 |
| Backdoor.Win32.Bifrose.bkns [Kaspersky Lab] | 2 |
| Mal/Behav-352, W32/Scribble-B [Sophos] | 2 |
| Mal/Bifrose-X, Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH, Mal/Bifrose-Z, W32/Scribble-B [Sophos] | 2 |
| Mal/Bifrose-X, Mal/Sality-C [Sophos] | 2 |
| Mal/EncPk-KZ [Sophos] | 2 |
| Mal/Midgar-A, Mal/EncPk-FH [Sophos] | 2 |
| Trojan.Win32.Midgare.hhn [Kaspersky Lab] | 2 |
| Virus.Win32.Virut.ce [Kaspersky Lab] | 2 |
| W32.Sality.AM [Symantec] | 2 |
| Win32/Virut.F [AhnLab] | 2 |
| Backdoor.Win32.Bifrose [Ikarus] | 1 |
| Backdoor.Win32.Bifrose.bsgp [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.ceas [Kaspersky Lab] | 1 |
| Backdoor.Win32.Bifrose.cfdb [Kaspersky Lab] | 1 |
| Mal/Behav-352, Mal/Bifrose-Z [Sophos] | 1 |
| Mal/Behav-352, Mal/Bifrose-Z, Mal/EncPk-KZ [Sophos] | 1 |
| Mal/Bifrose-X, Mal/EncPk-FH, Mal/Bifrose-Z [Sophos] | 1 |
| Mal/Bifrose-X, Mal/Midgar-A, Mal/EncPk-FH, Mal/Bifrose-Z [Sophos] | 1 |
| Mal/EncPk-IT, Mal/Behav-103, Mal/Behav-043, Mal/EncPk-FL [Sophos] | 1 |
| Mal/EncPk-KZ, Mal/Behav-352, Mal/Midgar-A, Mal/EncPk-FH [Sophos] | 1 |
| Mal/Generic-E [Sophos] | 1 |
| Mal/Packer, Mal/Midgar-A, Mal/EncPk-FH, Mal/Bifrose-Z [Sophos] | 1 |
| Mal/Sality-B [Sophos] | 1 |
| Packed.Win32.PePatch.lc [Kaspersky Lab] | 1 |
| Trojan Horse [Symantec] | 1 |
| Trojan.Win32.Midgare.aaay [Kaspersky Lab] | 1 |
| Trojan.Win32.Midgare.uvz [Kaspersky Lab] | 1 |
| Trojan.Win32.Monder.cszl [Kaspersky Lab] | 1 |
| Trojan.Win32.Monder.ctch [Kaspersky Lab] | 1 |
| Trojan.Win32.Refroso.tcn [Kaspersky Lab] | 1 |
| Virus:Win32/Sality.AN [Microsoft] | 1 |
| Virus:Win32/Sality.gen [Microsoft] | 1 |
| Virus:Win32/Sality.gen!enc [Microsoft] | 1 |
| Win-Trojan/Bifrose.35709.B [AhnLab] | 1 |
| Win-Trojan/Midgare.32637.BI [AhnLab] | 1 |
| Win-Trojan/Monder.32669 [AhnLab] | 1 |