Categories: Backdoor

Backdoor:Win32/Farfli.BO!MTB information

The Backdoor:Win32/Farfli.BO!MTB 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/Farfli.BO!MTB virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Sample contains Overlay data
  • Uses Windows utilities for basic functionality
  • CAPE extracted potentially suspicious content
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is likely packed with VMProtect
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • Behavioural detection: Injection with CreateRemoteThread in a remote process
  • CAPE detected the VMProtectStub malware family
  • Attempts to disable UAC
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Backdoor:Win32/Farfli.BO!MTB?


File Info:

name: 4E7450D08427ADE458A6.mlwpath: /opt/CAPEv2/storage/binaries/d0e7dcd3272de714f007cf7e344dd605c0e50bda7adb7bd0ba87d6794c3ee3eccrc32: 0E4B3F75md5: 4e7450d08427ade458a6b0ac18b864dbsha1: 396e6bff43c49f0a50c8bb9da8723c6ae03cd540sha256: d0e7dcd3272de714f007cf7e344dd605c0e50bda7adb7bd0ba87d6794c3ee3ecsha512: 8069d5fe4bb3c5a0ac23c64fc4369e2e76d1ca4ebd22121248b22b1f6031f76337326f31db761e2cd70a0e9d8fabb6a16f21e0e92dc9e58aef4f9cfc2ec126b9ssdeep: 12288:Ent7Vqz+0ijHmZz4bPLaHWgOXW4OEC5VUrik/sSckHWBMMjjZbWaJIhaOGX8OJgo:gt7VqzViiZzeLFXZOP5Srik/sSOBMMHPtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T190F423C2A19EB953FACB1F30448663EF5750C4692D0CD6DBFE88BB319022C1BA59D395sha3_384: 48c2e33f25267f3d2e66881c2c55109f7dd922381d26fc40f76808e01ebe25cb4ce8cdaf4bb2eb6108707eb307a17762ep_bytes: 9c9c68871d75f99cc744240c393a0a60timestamp: 2023-12-22 17:48:13

Version Info:

0: [No Data]

Backdoor:Win32/Farfli.BO!MTB also known as:

Bkav W32.AIDetectMalware
tehtris Generic.Malware
MicroWorld-eScan Gen:Trojan.Heur.D.UuX@bqB0Hbh
FireEye Generic.mg.4e7450d08427ade4
Skyhigh BehavesLike.Win32.Generic.bc
McAfee Artemis!4E7450D08427
Malwarebytes MachineLearning/Anomalous.100%
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 7000001c1 )
K7GW Trojan ( 7000001c1 )
Cybereason malicious.f43c49
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Farfli.CTR
Zoner Probably Heur.ExeHeaderL
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky UDS:Backdoor.Win32.Generic
BitDefender Gen:Trojan.Heur.D.UuX@bqB0Hbh
Avast Win32:BackdoorX-gen [Trj]
Tencent Malware.Win32.Gencirc.10bfa913
TACHYON Backdoor/W32.Agent.765953
Emsisoft Gen:Trojan.Heur.D.UuX@bqB0Hbh (B)
F-Secure Trojan.TR/Black.Gen2
DrWeb Trojan.Inject5.2896
VIPRE Gen:Trojan.Heur.D.UuX@bqB0Hbh
TrendMicro TROJ_GEN.R011C0DC324
Trapmine malicious.high.ml.score
Sophos Mal/VMProtBad-A
Ikarus Trojan.Win32.Farfli
GData Win32.Trojan.PSE.1HLQMD6
Google Detected
Avira TR/Black.Gen2
Antiy-AVL Trojan/Win32.Farfli
Kingsoft malware.kb.b.998
Arcabit Trojan.Heur.D.ED3922
ZoneAlarm UDS:Backdoor.Win32.Generic
Microsoft Backdoor:Win32/Farfli.BO!MTB
Varist W32/Agent.NDGF-5322
AhnLab-V3 Backdoor/Win.Farfli.R636974
BitDefenderTheta AI:Packer.A52E16D91D
ALYac Gen:Trojan.Heur.D.UuX@bqB0Hbh
MAX malware (ai score=89)
VBA32 BScope.Backdoor.Generic
Cylance unsafe
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_GEN.R011C0DC324
Rising Backdoor.Generic!8.CE (TFE:2:9kmIhilFHFK)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.7164915.susgen
Fortinet W32/Farfli.CTR!tr
AVG Win32:BackdoorX-gen [Trj]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (W)

How to remove Backdoor:Win32/Farfli.BO!MTB?

  • 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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