Categories: Backdoor

About “Backdoor:Win32/Bifrose!pz” infection

The Backdoor:Win32/Bifrose!pz 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!pz virus can do?

  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine Backdoor:Win32/Bifrose!pz?


File Info:

name: 75536BF5374B9887E343.mlwpath: /opt/CAPEv2/storage/binaries/ed65384904f21f0f2bbc681b78c9177997998df8548ee1fd6b5a9a3d676e012dcrc32: 096157FEmd5: 75536bf5374b9887e343a120bd853900sha1: 2f4297a0b6216e9d137dcd9819a6c28474cba21dsha256: ed65384904f21f0f2bbc681b78c9177997998df8548ee1fd6b5a9a3d676e012dsha512: ef00c9314dcd6e395f3b1a368d886bd5837d30fbc3ca6216d102cbd60f626ad1f7abbfe7d8ffa2ce36fe6887b1354ddd2e7377a75b0eb74d66dbecb732ee84a1ssdeep: 24576:OVcvpec5e0mZf9LoaeHfIXF6wb94S/CoohD3m:OVcvpec5e0mZfre/fwbe4CoohD3mtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T11665AE113FCAC07BC26E117209669726A2A7BD156B3456C72BA13F5DAF342C2BC3E705sha3_384: 0cfe325d5d817026655e22b608869792d5817e0e636bbdd48e5a8d9bd5755d306dd5d0b5c93671d028c5447cf4449f67ep_bytes: 6a606860024b00e88b0400008365fc00timestamp: 2007-12-28 15:29:15

Version Info:

FileDescription: HilEx Bifrost Privet VersionFileVersion: 1, 2, 1, 0InternalName: HilEx BifrostOriginalFilename: Bifrost.exeProductName: HilEx BifrostProductVersion: 1, 2, 1, 0Translation: 0x0409 0x04b0

Backdoor:Win32/Bifrose!pz also known as:

Lionic Hacktool.Win32.Bifrose.kYZ3
MicroWorld-eScan Generic.Bifrose.7C41C98B
FireEye Generic.mg.75536bf5374b9887
Skyhigh BehavesLike.Win32.Injector.th
McAfee BackDoor-CEP.gen.au
Malwarebytes Generic.Malware.AI.DDS
VIPRE Generic.Bifrose.7C41C98B
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (D)
K7GW Trojan ( 005325cc1 )
K7AntiVirus Trojan ( 005325cc1 )
Baidu Win32.Trojan.Bifrose.c
VirIT Trojan.Win32.Constructor.EDW
Symantec Trojan.Gen.MBT
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Bifrose.NTC
APEX Malicious
TrendMicro-HouseCall TROJ_BIFROSE_000000d.TOMA
ClamAV Win.Trojan.Bifrose-15615
Kaspersky Backdoor.Win32.Bifrose.acci
BitDefender Generic.Bifrose.7C41C98B
NANO-Antivirus Trojan.Win32.Fakealert.flfama
SUPERAntiSpyware Heur.Agent/Gen-Bifrost
Avast Win32:PUP-gen [PUP]
Tencent Malware.Win32.Gencirc.10b34c78
Emsisoft Generic.Bifrose.7C41C98B (B)
Google Detected
F-Secure Trojan.TR/Bifrose.Const.B
DrWeb Trojan.Fakealert.25680
Zillya Backdoor.BifroseGenS.Win32.2
TrendMicro TROJ_BIFROSE_000000d.TOMA
Trapmine malicious.high.ml.score
Sophos Mal/Bifrose-S
SentinelOne Static AI – Malicious PE
Jiangmin Constructor.Bifrose.lj
Varist W32/Bifrost.A.gen!Eldorado
Avira TR/Bifrose.Const.B
MAX malware (ai score=100)
Antiy-AVL HackTool[Constructor]/Win32.Bifrose
Kingsoft Win32.Hack.Bifrose.acci
Microsoft Backdoor:Win32/Bifrose!pz
Xcitium Constructor.Win32.Bifrose.~R@1lyib
Arcabit Generic.Bifrose.7C41C98B
ViRobot Backdoor.Win32.Bifrose.1466368
ZoneAlarm Backdoor.Win32.Bifrose.acci
GData Generic.Bifrose.7C41C98B
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win32.Bifrose.R3641
BitDefenderTheta AI:Packer.A105DD1F20
ALYac Generic.Bifrose.7C41C98B
TACHYON Constructor/W32.Bifrose.1466368.B
VBA32 Trojan.FakeAlert
Cylance unsafe
Panda Trj/Genetic.gen
Rising Trojan.KillAV!1.9942 (CLASSIC)
Ikarus Constructor.Win32.Bifrose
Fortinet Malware_fam.A
AVG Win32:PUP-gen [PUP]
Cybereason malicious.5374b9
DeepInstinct MALICIOUS
alibabacloud Backdoor:Win/Bifrose.NTC

How to remove Backdoor:Win32/Bifrose!pz?

  • 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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