Categories: Backdoor

Backdoor:Win32/Bifrose.BH removal instruction

The Backdoor:Win32/Bifrose.BH 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Backdoor:Win32/Bifrose.BH virus can do?

  • Attempts to connect to a dead IP:Port (1 unique times)
  • Possible date expiration check, exits too soon after checking local time
  • Starts servers listening on 0.0.0.0:666
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Sniffs keystrokes
  • Checks for the presence of known windows from debuggers and forensic tools
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Likely virus infection of existing system binary
  • Anomalous binary characteristics

Related domains:

web.icq.com

How to determine Backdoor:Win32/Bifrose.BH?


File Info:

crc32: D481EED1md5: 40cfb6a56b34b66841b1fc24990bf8d0name: 40CFB6A56B34B66841B1FC24990BF8D0.mlwsha1: eea1ad96443a58d8ce69b0cf48f6615b3fee6090sha256: a2d32bc8f81ef5ad6f5dfb2d442efcaa8e280549d8f31bb0d04ef0444d50c0a3sha512: b93513a24cf9fab2a06656ea6196acbb1f0f390baaa80d43892ed821fd7ba609560823a04dc61bff54986c35f6cff622698d9e390047a9caa0e7f09477032411ssdeep: 1536:x/k/EdxikMK0QVrPtRGh7w/5j4TWGM+/AFNh5VX+oa+L:x/FdX0QVrt45wxjuWU/In5VuJ+Ltype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Bifrose.BH also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop.444
Cynet Malicious (score: 100)
CMC Generic.Win32.40cfb6a56b!MD
CAT-QuickHeal Trojan.Generic
ALYac Dropped:Backdoor.Generic.192434
Cylance Unsafe
Zillya Dropper.Joiner.Win32.187
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Alibaba TrojanDropper:Win32/Joiner.b97a287c
Cybereason malicious.56b34b
Cyren W32/Backdoor.FDZM-6980
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/TrojanDropper.Small.O
APEX Malicious
Avast Win32:AlLight [Trj]
ClamAV Win.Trojan.BeastDoor-1
Kaspersky Trojan-Dropper.Win32.Joiner.bk
BitDefender Dropped:Backdoor.Generic.192434
NANO-Antivirus Trojan.Win32.Joiner.bwvewu
MicroWorld-eScan Dropped:Backdoor.Generic.192434
Tencent Win32.Trojan-dropper.Joiner.Pcjf
Ad-Aware Dropped:Backdoor.Generic.192434
Sophos Mal/Generic-R + Troj/Mdrop-CH
Comodo TrojWare.Win32.TrojanDropper.Joiner.K@12v2f7
BitDefenderTheta AI:Packer.C9B420B923
TrendMicro BKDR_BIFROSE.ES
McAfee-GW-Edition BehavesLike.Win32.VirRansom.mc
FireEye Generic.mg.40cfb6a56b34b668
Emsisoft Dropped:Backdoor.Generic.192434 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor/Bifrose.bfh
Webroot W32.Bifrose.Gen
Avira BDS/BeastDoor.192.A
eGambit Unsafe.AI_Score_100%
Antiy-AVL Trojan/Generic.ASMalwS.E8C6C8
Kingsoft Win32.Troj.Joiner.bk.(kcloud)
Microsoft Backdoor:Win32/Bifrose.BH
Arcabit Backdoor.Generic.D2EFB2
AegisLab Trojan.Win32.Joiner.b!c
ZoneAlarm Trojan-Dropper.Win32.Joiner.bk
GData Dropped:Backdoor.Generic.192434
AhnLab-V3 Trojan/Win32.Bifrose.C311
McAfee MultiDropper-CE
MAX malware (ai score=100)
VBA32 BScope.TrojanDropper.Small
Malwarebytes Malware.AI.3258268543
Panda Bck/Bifrose.AV
TrendMicro-HouseCall BKDR_BIFROSE.ES
Rising Dropper.Freeline (CLOUD)
Yandex Trojan.GenAsa!VXDlq/l/x1Q
Ikarus Backdoor.Win32.Bifrose
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Mdrop.CH!tr
AVG Win32:AlLight [Trj]
Paloalto generic.ml

How to remove Backdoor:Win32/Bifrose.BH?

  • 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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