Malware

Win32/Farfli.BOW removal guide

Malware Removal

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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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.mlw
path: /opt/CAPEv2/storage/binaries/2a36009f08c38648d458be86c0e21a2c787c67f11a5deb6813e9817e78121db7
crc32: C2061338
md5: 4bc6dc3a93193c9bddfdedab72c978bf
sha1: e6a6c6e879485cedf65a651d2947f479358d7a7c
sha256: 2a36009f08c38648d458be86c0e21a2c787c67f11a5deb6813e9817e78121db7
sha512: d78c4cbe39e6ba9c0817cbbe3250a20438f7c7a98a5149ddffe0c0343125e7e4c0b18ba01207726f9c5bc14115c1b23f36582d2deea4b3c80f73630b91b2a358
ssdeep: 6144:bqyqjNiwl3ABEzIBIAbhGzSWB9WQEd0UL/KbWfC3Bqo:mnik3AaMBIAbhGzriQEnbzfCRX
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1AA8435CA67058FB2E0E204F618756337B8ADFE3007DF922657A7644E11794BA3225B4F
sha3_384: e7eed9ebbb789ae75a80efd1c57a3ad6db2e750c98244c87bd6ccee3535ca1489b2a93c334d3665714d13f915413f22c
ep_bytes: 558bec6aff689840400068a03b400064
timestamp: 2014-04-27 22:25:55

Version Info:

0: [No Data]

Win32/Farfli.BOW also known as:

BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Trojan.Heur.JP.yqW@amj4jTl
FireEyeGeneric.mg.4bc6dc3a93193c9b
CAT-QuickHealTrojan.Generic.SK1
ALYacGen:Trojan.Heur.JP.yqW@amj4jTl
CylanceUnsafe
ZillyaTrojan.Farfli.Win32.36917
SangforTrojan.Win32.Save.a
K7AntiVirusRiskware ( 0040eff71 )
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.a93193
CyrenW32/OnlineGames.BX.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Farfli.BOW
APEXMalicious
ClamAVWin.Trojan.Agent-1291966
KasperskyBackdoor.Win32.Farfli.cta
BitDefenderGen:Trojan.Heur.JP.yqW@amj4jTl
NANO-AntivirusTrojan.Win32.Farfli.dnsshd
AvastWin32:Malware-gen
TencentMalware.Win32.Gencirc.10b3aef1
Ad-AwareGen:Trojan.Heur.JP.yqW@amj4jTl
TACHYONBackdoor/W32.Farfli.405504
SophosML/PE-A
ComodoTrojWare.Win32.Vehidis.PRF@58x08v
DrWebTrojan.DownLoader13.433
EmsisoftGen:Trojan.Heur.JP.yqW@amj4jTl (B)
SentinelOneStatic AI – Malicious PE
GDataGen:Trojan.Heur.JP.yqW@amj4jTl
JiangminHeur:Backdoor/Agent
AviraTR/AD.Farfli.mxsax
Antiy-AVLTrojan/Generic.ASMalwS.B5C07E
KingsoftWin32.Hack.Farfli.c.(kcloud)
ArcabitTrojan.Heur.JP.E2A713
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
AhnLab-V3Backdoor/Win32.Zegost.R131668
McAfeeGenericRXAA-AA!4BC6DC3A9319
MAXmalware (ai score=82)
VBA32BScope.Trojan.SvcHorse.01643
RisingBackdoor.Farfli!1.A7E0 (CLASSIC)
YandexBackdoor.Farfli!LKezrjTgQ2w
IkarusBackdoor.Win32.Farfli
MaxSecureTrojan.Malware.8048361.susgen
BitDefenderThetaAI:Packer.10D152311E
AVGWin32:Malware-gen
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Win32/Farfli.BOW?

Win32/Farfli.BOW removal tool
  • 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.

About the author

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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