Categories: Backdoor

About “Backdoor:Win32/Bifrose.IQ” infection

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

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (4 unique times)
  • Creates RWX memory
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself

How to determine Backdoor:Win32/Bifrose.IQ?


File Info:

crc32: 1A4B3D2Emd5: 31aca560e4d6c3fe94ddc98dd03308a0name: 31ACA560E4D6C3FE94DDC98DD03308A0.mlwsha1: bf20f7ae909c8ebc0b6b8d8419c767be0452789asha256: 60815db56ad4e6854ca1c99d6bec66b7c16e5865f51eac152da297c1a520a860sha512: 4f86d518fb2428a10a69c28cbc581aa2677528e3808d7ac62667d46195374ac3b26f88039504fb940c5f5740f8f3e0c6b96a1a7fd31a92aeedfbe875810fec99ssdeep: 1536:4X2tAh15hxrmf7VlBSBzD7TbNau3doRzEg0H86Lx8CAcf+SuqGMLefNe6WE5RXQ:uv5hm7VmBP7PtReQJUhMLgEE5RXtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Backdoor:Win32/Bifrose.IQ also known as:

Bkav W32.FamVT.ZgkaoLR.Trojan
K7AntiVirus Trojan ( 00404cd31 )
Elastic malicious (high confidence)
DrWeb Win32.HLLW.Autoruner1.10200
Cynet Malicious (score: 100)
CAT-QuickHeal Backdoor.Bifrose.30420
ALYac Gen:Variant.Babar.19688
Cylance Unsafe
Zillya Worm.AutoRun.Win32.57147
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Backdoor:Win32/Bifrose.cdb9c8ef
K7GW Trojan ( 00404cd31 )
Cybereason malicious.0e4d6c
Baidu Win32.Worm.Agent.bi
Cyren W32/Trojan.YXVN-0471
Symantec Backdoor.Bifrose
ESET-NOD32 Win32/Agent.NJO
Zoner Trojan.Win32.24519
APEX Malicious
Avast Win32:Downloader-LNT [Trj]
ClamAV Win.Worm.Autorun-10005
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Babar.19688
NANO-Antivirus Trojan.Win32.Autoruner1.rjjvz
SUPERAntiSpyware Trojan.Agent/Gen-AutoRun
MicroWorld-eScan Gen:Variant.Babar.19688
Tencent Trojan.Win32.FakeFolder.bbc
Ad-Aware Gen:Variant.Babar.19688
Sophos ML/PE-A + Mal/Behav-043
Comodo TrojWare.Win32.Kryptik.VARA@4n0j7s
BitDefenderTheta AI:Packer.50D98AA61F
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_OtorunN
McAfee-GW-Edition BehavesLike.Win32.MultiPlug.ch
FireEye Generic.mg.31aca560e4d6c3fe
Emsisoft Gen:Variant.Babar.19688 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Generic.attsv
Avira TR/Spy.121856.75
eGambit Unsafe.AI_Score_95%
Antiy-AVL Trojan/Generic.ASMalwS.291E2
Kingsoft Win32.Heur.KVM007.a.(kcloud)
Microsoft Backdoor:Win32/Bifrose.IQ
Gridinsoft Worm.Win32.Autorun.dd!s1
Arcabit Trojan.Babar.D4CE8
GData Gen:Variant.Babar.19688
AhnLab-V3 Worm/Win32.AutoRun.R37610
Acronis suspicious
McAfee W32/Autorun.worm.ht
MAX malware (ai score=84)
VBA32 Hoax.Blocker
Malwarebytes Trojan.Injector
Panda Generic Malware
TrendMicro-HouseCall Mal_OtorunN
Rising Trojan.Fakefolder!1.65B9 (RDMK:cmRtazqz4ow8yn1T75Y4/OWLkrw0)
Ikarus Virus.Win32.Virut
MaxSecure Win.MxResIcn.Heur.Gen
Fortinet W32/Autorun.CXP!tr
AVG Win32:Downloader-LNT [Trj]

How to remove Backdoor:Win32/Bifrose.IQ?

  • 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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