Backdoor:Win32/Bifrose.HU (file analysis)

The Backdoor:Win32/Bifrose.HU 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.HU virus can do?

Executable code extraction
Creates RWX memory
Unconventionial binary language: Chinese (Simplified)
Unconventionial language used in binary resources: Chinese (Simplified)
The binary likely contains encrypted or compressed data.

How to determine Backdoor:Win32/Bifrose.HU?


File Info:
crc32: 1E7274A4
md5: beea819b39c1bd74b4c3d80f85ae37af
name: BEEA819B39C1BD74B4C3D80F85AE37AF.mlw
sha1: bd6d6e08d989f379036a2135aad621688cdf43da
sha256: 5c56dd4af6c0ffd05252cc2226e81415886e6f4ba21b72ac14dfc671aceea77d
sha512: 2d4511c972787ff0b09da937ebcc153d03fe34b0db9565c6a01f7a8efd04eadbca3a949053ba51012f1520d5d3d8d27442d941b6428ed7d0773075a31ee59b39
ssdeep: 12288:Zy9H3GhJmN4A0lN1ygMageHHlVH0ppa+ZcVPV2ZZa7/zeKVMKPURARJ/O0g4x5:8p2mNcNcgMmn/8abpIZqXMKPd/W01x
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright: x7248x6743x6240x6709 (C) 2007
InternalName: gh0st RAT
FileVersion: 3, 5, 0, 0
CompanyName: 
PrivateBuild: 
LegalTrademarks: 
Comments: 
ProductName: gh0st x5e94x7528x7a0bx5e8f
SpecialBuild: 
ProductVersion: 3, 5, 0, 0
FileDescription: Gh0st RAT By CoolDiyer
OriginalFilename: gh0st.EXE
Translation: 0x0804 0x04b0

Backdoor:Win32/Bifrose.HU also known as:

Bkav	W32.AIDetect.malware2
Elastic	malicious (high confidence)
DrWeb	BackDoor.Siggen.52105
MicroWorld-eScan	GenPack:Generic.PcClient2.659D68DD
FireEye	Generic.mg.beea819b39c1bd74
ALYac	GenPack:Generic.PcClient2.659D68DD
Cylance	Unsafe
VIPRE	Trojan-Dropper.Win32.Resdro.b (v) (not malicious)
K7AntiVirus	Trojan ( 0052c8a31 )
BitDefender	GenPack:Generic.PcClient2.659D68DD
K7GW	Trojan ( 0052c8a31 )
Cybereason	malicious.b39c1b
BitDefenderTheta	AI:Packer.6F0BBBB321
APEX	Malicious
Avast	Win32:Small-NGK [Trj]
ClamAV	Win.Dropper.Ramnit-7076131-0
Kaspersky	Trojan-GameThief.Win32.Magania.actz
Alibaba	Backdoor:Win32/Magania.c7174091
NANO-Antivirus	Virus.Win32.Gen-Crypt.ccnc
Rising	Backdoor.Bifrose!8.B24 (CLOUD)
Ad-Aware	GenPack:Generic.PcClient2.659D68DD
Emsisoft	GenPack:Generic.PcClient2.659D68DD (B)
Sophos	ML/PE-A + Troj/Zegost-U
Avira	HEUR/AGEN.1140256
Microsoft	Backdoor:Win32/Bifrose.HU
GData	GenPack:Generic.PcClient2.659D68DD
Cynet	Malicious (score: 100)
ESET-NOD32	a variant of Win32/Farfli.ARN
Acronis	suspicious
McAfee	BackDoor-EXZ
MAX	malware (ai score=80)
VBA32	BScope.Trojan.MulDrop
Tencent	Win32.Trojan.Generic.Plaw
SentinelOne	Static AI – Malicious PE
eGambit	Unsafe.AI_Score_99%
Fortinet	W32/Filecoder.FV!tr.ransom
AVG	Win32:Small-NGK [Trj]
Paloalto	generic.ml
CrowdStrike	win/malicious_confidence_100% (W)
Qihoo-360	Win32/Trojan.41f

How to remove Backdoor:Win32/Bifrose.HU?

Backdoor:Win32/Bifrose.HU removal tool

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.

About the author

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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