Categories: Malware

Win32/Filecoder.Jaff.A removal instruction

The Win32/Filecoder.Jaff.A 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.Jaff.A virus can do?

  • Executable code extraction
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Installs itself for autorun at Windows startup
  • Exhibits possible ransomware file modification behavior
  • Writes a potential ransom message to disk
  • Attempts to modify proxy settings

How to determine Win32/Filecoder.Jaff.A?


File Info:

crc32: 3353E07Bmd5: c2a760c6461449ac1d5a5538242bed11name: C2A760C6461449AC1D5A5538242BED11.mlwsha1: 59684c6261afc698c0f6a46658986f0268f4c5a0sha256: 387812ee2820cbf49812b1b229b7d8721ee37296f7b6018332a56e30a99e1092sha512: b00734a77c70f18ed10049c67823316498208b32e9f662f9fa56074b862bd8606826947f8cb394ed48d0d9b88f47e7fa214153e53fbc83c60bb7075d57375dd8ssdeep: 3072:/29rIyJvv9Gq9q/uNKFO+oFGqN/xJCpgDjXYQWNoF97PYJ:e98S9Gq9WM5Z2mbYQWNslYtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 t k ns faghlxpInternalName: KuipfgtqlleFileVersion: 6.22CompanyName: Lrpssrn jtstfvy mwProductName: Kow lbnlasbn ncrttl roryzProductVersion: 6.22FileDescription: Zxrlbt cp mlkat ovaaOriginalFilename: KuipfgtqlleTranslation: 0x0002 0x0001

Win32/Filecoder.Jaff.A also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0050dd691 )
DrWeb Trojan.Encoder.11520
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.JAFF.A4
ALYac Trojan.Ransom.Jaff
Cylance Unsafe
Zillya Trojan.Filecoder.Win32.5012
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Crypren.12f1ee14
K7GW Trojan ( 0050dd691 )
Cybereason malicious.646144
Cyren W32/Trojan.TMGM-1360
Symantec Ransom.Enciphered
ESET-NOD32 Win32/Filecoder.Jaff.A
Zoner Trojan.Win32.58906
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Ransomware.Jaff-6316620-4
Kaspersky Trojan-Ransom.Win32.Crypren.adsk
BitDefender Trojan.GenericKD.5082088
NANO-Antivirus Trojan.Win32.Jaff.epvmfz
ViRobot Trojan.Win32.Ransom.147456.B
MicroWorld-eScan Trojan.GenericKD.5082088
Tencent Malware.Win32.Gencirc.114ad5e9
Ad-Aware Trojan.GenericKD.5082088
Sophos Mal/Generic-R + Troj/Jaff-A
Comodo Malware@#17ls9hoyhfodw
BitDefenderTheta Gen:NN.ZexaF.34628.jq0@aOAXyIfi
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_CRYPJAFF.ENF
McAfee-GW-Edition BehavesLike.Win32.Emotet.ch
FireEye Generic.mg.c2a760c6461449ac
Emsisoft Trojan.GenericKD.5082088 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Crypren.iw
Webroot W32.Ransomware.Jaff
Avira TR/FileCoder.64822
Microsoft Ransom:Win32/Jaffrans.A
Arcabit Trojan.Generic.D4D8BE8
ZoneAlarm Trojan-Ransom.Win32.Crypren.adsk
GData Win32.Trojan-Ransom.Jaff.C
AhnLab-V3 Trojan/Win32.JaffCrypto.R200746
Acronis suspicious
McAfee Generic.abu
MAX malware (ai score=100)
VBA32 SScope.TrojanRansom.WannaCry
Panda Trj/WLT.C
TrendMicro-HouseCall Ransom_CRYPJAFF.ENF
Rising Ransom.Crypren!8.1D6C (KTSE)
Ikarus Trojan-Ransom.Jaff
Fortinet W32/Jaff.ED11!tr.ransom
AVG Win32:Trojan-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Filecoder.HwcBINsA

How to remove Win32/Filecoder.Jaff.A?

  • 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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