Categories: Malware

About “Win32/Farfli.CYQ” infection

The Win32/Farfli.CYQ 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 Win32/Farfli.CYQ virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Drops a binary and executes it
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Creates a copy of itself
  • Uses suspicious command line tools or Windows utilities

How to determine Win32/Farfli.CYQ?


File Info:

crc32: 90DE68A8md5: 8998b95562f0edfabc0a2a594585f16ename: 8998B95562F0EDFABC0A2A594585F16E.mlwsha1: 261fc5f925f6d43ed54deae1f6fd9ad9768d481asha256: 5c34ee013992e476c777d519ec38d78cb30d97db9889ec602b8f24bf57662ddesha512: 8b57e4bba01a0dd847fdf92990812d5b2eefb22aa5fd7cb853b1bc535aea0b65919785560c36f1b77559f60568aa477564166b4fdf1e8a4972776be488e6c72essdeep: 12288:MrPt/6Lo/BsS8NSFSQE6ZWn5tx5uU29cg+8hkBq:jLo/B78wyxQ4GhkBqtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2021InternalName: AAAAFileVersion: 1, 0, 0, 1CompanyName: LegalTrademarks: ProductName: Application AAAAProductVersion: 1, 0, 0, 1FileDescription: Application MFC AAAAOriginalFilename: AAAA.EXETranslation: 0x040c 0x04b0

Win32/Farfli.CYQ also known as:

K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb BackDoor.Spy.422
CAT-QuickHeal Trojan.GenericRI.S22015329
McAfee GenericRXOD-IK!8998B95562F0
Cylance Unsafe
Zillya Trojan.Generic.Win32.1392882
CrowdStrike win/malicious_confidence_90% (W)
K7GW Riskware ( 0040eff71 )
Cybereason malicious.562f0e
Cyren W32/Trickbot.GW.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/Farfli.CYQ
APEX Malicious
Avast Win32:BackdoorX-gen [Trj]
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Agent.gen
BitDefender DeepScan:Generic.Mulinex.0CF9EC3D
NANO-Antivirus Trojan.Win32.Mlw.iucbro
MicroWorld-eScan DeepScan:Generic.Mulinex.0CF9EC3D
Tencent Malware.Win32.Gencirc.10ce6767
Ad-Aware DeepScan:Generic.Mulinex.0CF9EC3D
Sophos Troj/Farfli-DW
BitDefenderTheta Gen:NN.ZexaF.34170.Lq0@aihzYFoe
VIPRE Trojan.Win32.Generic!BT
TrendMicro BKDR_ZEGOST.SM34
McAfee-GW-Edition BehavesLike.Win32.Generic.jc
FireEye Generic.mg.8998b95562f0edfa
Emsisoft DeepScan:Generic.Mulinex.0CF9EC3D (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Generic.gvvqu
Avira HEUR/AGEN.1101570
Antiy-AVL Trojan/Generic.ASMalwS.332E8B4
Microsoft Backdoor:Win32/Zegost.KM!MTB
Gridinsoft Backdoor.Win32.AI.oa!s1
ZoneAlarm HEUR:Backdoor.Win32.Generic
GData DeepScan:Generic.Mulinex.0CF9EC3D
AhnLab-V3 Backdoor/Win.Zegost.R422117
Acronis suspicious
VBA32 BScope.Backdoor.Farfli
MAX malware (ai score=86)
Malwarebytes Backdoor.Farfli
TrendMicro-HouseCall BKDR_ZEGOST.SM34
Yandex Trojan.Agent!UvZYx0QUaws
Ikarus Backdoor.Win32.Zegost
MaxSecure Trojan.Malware.7164915.susgen
Fortinet W32/Farfli.CYQ!tr
AVG Win32:BackdoorX-gen [Trj]
Paloalto generic.ml

How to remove Win32/Farfli.CYQ?

  • 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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