Categories: Backdoor

What is “Backdoor.Win32.Bifrose.dnhg”?

The Backdoor.Win32.Bifrose.dnhg is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Backdoor.Win32.Bifrose.dnhg virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Reads data out of its own binary image
  • The binary likely contains encrypted or compressed data.
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Network activity detected but not expressed in API logs
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Anomalous binary characteristics

How to determine Backdoor.Win32.Bifrose.dnhg?


File Info:

crc32: 2F779630md5: 7ffc7d2ef26b0c0b67a462a2748d7b9cname: 7FFC7D2EF26B0C0B67A462A2748D7B9C.mlwsha1: b8d222382c052989e033f707790b8acda922895fsha256: a37699e1c60d17fa189c481582212381892b3038d6ca6d03508208f755a31faesha512: 2ef10bdbcff31418ee80371bb1127d4e9165b449030c8f58432e45039325419ce94786a27375fb032952773f9686b0f425682052d46da3be136d1ef51e22adc8ssdeep: 3072:d/d+6s80Bkrts6NHrU3xwRi33LwbjhucHlJ6JBXjxL3fU1IUcM8H9PumjyjI:bpR0es2r4zkHSJ5jxL3fUgDHZumjyjItype: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

ProductVersion: 1, 0, 0, 1FileVersion: 1, 0, 0, 1Comments: Is protected with Teggo MoleBox 4.2321FileDescription: Protected ApplicationTranslation: 0x0000 0x04b0

Backdoor.Win32.Bifrose.dnhg also known as:

K7AntiVirus Trojan ( 001788e91 )
Lionic Trojan.Win32.Bifrose.lj8w
Elastic malicious (high confidence)
DrWeb BackDoor.Bifrost.491
Cynet Malicious (score: 100)
CAT-QuickHeal VirTool.DelfInject.AF
Cylance Unsafe
Zillya Trojan.Buzus.Win32.52420
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
Alibaba Backdoor:Win32/Bifrose.81095c09
K7GW Trojan ( 001788e91 )
Cybereason malicious.82c052
Cyren W32/VBInject.V.gen!Eldorado
Symantec Backdoor.Bifrose!gen
ESET-NOD32 a variant of Win32/Packed.MoleboxUltra suspicious
APEX Malicious
Avast Win32:Evo-gen [Susp]
ClamAV Win.Trojan.Agent-36155
Kaspersky Backdoor.Win32.Bifrose.dnhg
NANO-Antivirus Trojan.Win32.Bifrost.dambtw
ViRobot Trojan.Win32.A.Buzus.198282
Tencent Win32.Backdoor.Bifrose.Aoae
Sophos ML/PE-A + Mal/BigMole-B
Comodo TrojWare.Win32.Buzus.hwas@4mjtvw
BitDefenderTheta Gen:NN.ZexaF.34170.mm2@aK1nXbm
VIPRE Packed.Win32.Rebhip.a (v)
TrendMicro TROJ_BREDLAB.SMD
McAfee-GW-Edition BehavesLike.Win32.Generic.cc
FireEye Generic.mg.7ffc7d2ef26b0c0b
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Buzus.afnn
Avira TR/Crypt.CFI.Gen
Antiy-AVL Trojan/Generic.ASBOL.C615
Microsoft Trojan:Win32/Wacatac.B!ml
SUPERAntiSpyware Trojan.Agent/Gen-Backdoor
TACHYON Trojan/W32.Buzus.198282
AhnLab-V3 Trojan/Win32.Bifrose.R1707
Acronis suspicious
McAfee GenericRXAA-WT!7FFC7D2EF26B
MAX malware (ai score=99)
VBA32 BScope.Trojan.Inject
Malwarebytes Trojan.MalPack.Generic
Panda Generic Malware
TrendMicro-HouseCall TROJ_BREDLAB.SMD
Rising Trojan.Generic@ML.100 (RDMK:rpeTbFD7Q6vzdCoD8YBLjQ)
Yandex Trojan.GenAsa!XMiXPNBz8gY
Ikarus Trojan.Backdoor.Bifrose
MaxSecure Packed.Rebhip.a
Fortinet W32/Refroso.BKBI!tr
AVG Win32:Evo-gen [Susp]
Paloalto generic.ml

How to remove Backdoor.Win32.Bifrose.dnhg?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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