Categories: Malware

Win32/Farfli.BOW removal guide

The Win32/Farfli.BOW 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Win32/Farfli.BOW virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Possible date expiration check, exits too soon after checking local time
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Authenticode signature is invalid
  • Deletes its original binary from disk
  • Installs itself for autorun at Windows startup
  • Installs itself for autorun at Windows startup

How to determine Win32/Farfli.BOW?


File Info:

name: 4BC6DC3A93193C9BDDFD.mlwpath: /opt/CAPEv2/storage/binaries/2a36009f08c38648d458be86c0e21a2c787c67f11a5deb6813e9817e78121db7crc32: C2061338md5: 4bc6dc3a93193c9bddfdedab72c978bfsha1: e6a6c6e879485cedf65a651d2947f479358d7a7csha256: 2a36009f08c38648d458be86c0e21a2c787c67f11a5deb6813e9817e78121db7sha512: d78c4cbe39e6ba9c0817cbbe3250a20438f7c7a98a5149ddffe0c0343125e7e4c0b18ba01207726f9c5bc14115c1b23f36582d2deea4b3c80f73630b91b2a358ssdeep: 6144:bqyqjNiwl3ABEzIBIAbhGzSWB9WQEd0UL/KbWfC3Bqo:mnik3AaMBIAbhGzriQEnbzfCRXtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1AA8435CA67058FB2E0E204F618756337B8ADFE3007DF922657A7644E11794BA3225B4Fsha3_384: e7eed9ebbb789ae75a80efd1c57a3ad6db2e750c98244c87bd6ccee3535ca1489b2a93c334d3665714d13f915413f22cep_bytes: 558bec6aff689840400068a03b400064timestamp: 2014-04-27 22:25:55

Version Info:

0: [No Data]

Win32/Farfli.BOW also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Trojan.Heur.JP.yqW@amj4jTl
FireEye Generic.mg.4bc6dc3a93193c9b
CAT-QuickHeal Trojan.Generic.SK1
ALYac Gen:Trojan.Heur.JP.yqW@amj4jTl
Cylance Unsafe
Zillya Trojan.Farfli.Win32.36917
Sangfor Trojan.Win32.Save.a
K7AntiVirus Riskware ( 0040eff71 )
K7GW Riskware ( 0040eff71 )
Cybereason malicious.a93193
Cyren W32/OnlineGames.BX.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Farfli.BOW
APEX Malicious
ClamAV Win.Trojan.Agent-1291966
Kaspersky Backdoor.Win32.Farfli.cta
BitDefender Gen:Trojan.Heur.JP.yqW@amj4jTl
NANO-Antivirus Trojan.Win32.Farfli.dnsshd
Avast Win32:Malware-gen
Tencent Malware.Win32.Gencirc.10b3aef1
Ad-Aware Gen:Trojan.Heur.JP.yqW@amj4jTl
TACHYON Backdoor/W32.Farfli.405504
Sophos ML/PE-A
Comodo TrojWare.Win32.Vehidis.PRF@58x08v
DrWeb Trojan.DownLoader13.433
Emsisoft Gen:Trojan.Heur.JP.yqW@amj4jTl (B)
SentinelOne Static AI – Malicious PE
GData Gen:Trojan.Heur.JP.yqW@amj4jTl
Jiangmin Heur:Backdoor/Agent
Avira TR/AD.Farfli.mxsax
Antiy-AVL Trojan/Generic.ASMalwS.B5C07E
Kingsoft Win32.Hack.Farfli.c.(kcloud)
Arcabit Trojan.Heur.JP.E2A713
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Backdoor/Win32.Zegost.R131668
McAfee GenericRXAA-AA!4BC6DC3A9319
MAX malware (ai score=82)
VBA32 BScope.Trojan.SvcHorse.01643
Rising Backdoor.Farfli!1.A7E0 (CLASSIC)
Yandex Backdoor.Farfli!LKezrjTgQ2w
Ikarus Backdoor.Win32.Farfli
MaxSecure Trojan.Malware.8048361.susgen
BitDefenderTheta AI:Packer.10D152311E
AVG Win32:Malware-gen
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32/Farfli.BOW?

  • 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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