Categories: Malware

Win32/Filecoder.CryptoWall.F removal instruction

The Win32/Filecoder.CryptoWall.F 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/Filecoder.CryptoWall.F virus can do?

  • Executable code extraction
  • Injection (inter-process)
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • Mimics the system’s user agent string for its own requests
  • A process attempted to delay the analysis task.
  • Deletes its original binary from disk
  • Exhibits behavior characteristic of Cryptowall ransomware
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself
  • Anomalous binary characteristics

How to determine Win32/Filecoder.CryptoWall.F?


File Info:

crc32: 059DFDDBmd5: 56f695d70a1cf1e1cc1e6b2710aab545name: 56F695D70A1CF1E1CC1E6B2710AAB545.mlwsha1: 24482a5aac57fdbfa4576e9f2ce4b7ded6913cccsha256: 6618a1777c32d391bf6c628a571c8413bb253a176de486c049d3e6f4d02e061csha512: f47d15b073d774a947456d892f2a966d574f38411efe60c7f0ba864e92a1c752a94fe893c952322f75e170e8d9f7783036c6b342e1b5286e35b4d3cbe82b3275ssdeep: 6144:mfs1qUrfCMMGJqNd9tRNl0pHQmBXUlfPSnBR+1t3mM2Nuhb+r8BJxVT2:mU1zXST9t3aHQWXUdPSwt3mM2Kb+eqtype: PE32 executable (GUI) Intel 80386 system file, for MS Windows

Version Info:

CompiledScript: AutoIt v3 Script: 3, 3, 6, 1FileVersion: 3, 3, 6, 1FileDescription: Translation: 0x0809 0x04b0

Win32/Filecoder.CryptoWall.F also known as:

K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader18.44918
Cynet Malicious (score: 90)
CAT-QuickHeal Ransom.Crowti.RW8
ALYac Trojan.Ransom.TeslaCrypt
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.1723
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/Cryptodef.bce8880a
K7GW Riskware ( 0040eff71 )
Cybereason malicious.70a1cf
Cyren W32/Filecoder.VZHG-4443
Symantec Ransom.Cryptodefense
ESET-NOD32 Win32/Filecoder.CryptoWall.F
Zoner Trojan.Win32.37970
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Cryptodef.acfx
BitDefender Trojan.GenericKD.2970528
NANO-Antivirus Trojan.Win32.Dwn.dznwzl
MicroWorld-eScan Trojan.GenericKD.2970528
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Trojan.GenericKD.2970528
Sophos Mal/Generic-S + Mal/Generic-L
Comodo Malware@#xoaqsuhbxa2r
BitDefenderTheta Gen:NN.ZexaF.34628.tu0@aeK!@gxi
VIPRE Win32.Malware!Drop
TrendMicro Ransom_CRYPWALL.AGY
McAfee-GW-Edition Generic.xy
FireEye Generic.mg.56f695d70a1cf1e1
Emsisoft Trojan.GenericKD.2970528 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Cryptodef.qn
Webroot W32.Trojan.Gen
Avira TR/Andromeda.618975
eGambit Unsafe.AI_Score_99%
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/Crowti.A
Arcabit Trojan.Generic.D2D53A0
AegisLab Trojan.Win32.Cryptodef.4!c
GData Win32.Trojan.Agent.9ZY0GZ
AhnLab-V3 Trojan/Win32.Ransom.C1316455
McAfee Generic.xy
MAX malware (ai score=100)
VBA32 Hoax.Cryptodef
Malwarebytes Malware.Heuristic.1004
Panda Trj/WLT.B
TrendMicro-HouseCall Ransom_CRYPWALL.AGY
Rising Ransom.Crowti!8.37D (C64:YzY0OrNgzk9rSpVb)
Yandex Trojan.Agent.Gen.AFL
Ikarus Trojan.Win32.Filecoder
Fortinet W32/Filecoder.FJ!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Ransom.Cryptodef.HxQBzHIA

How to remove Win32/Filecoder.CryptoWall.F?

  • 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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