Categories: Malware

How to remove “Win32/GenKryptik.FJNR”?

The Win32/GenKryptik.FJNR 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/GenKryptik.FJNR virus can do?

  • Executable code extraction
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • The binary likely contains encrypted or compressed data.
  • Checks for the presence of known windows from debuggers and forensic tools
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Network activity detected but not expressed in API logs
  • Checks the version of Bios, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a registry key
  • Anomalous binary characteristics

How to determine Win32/GenKryptik.FJNR?


File Info:

crc32: FF95BDA7md5: 842124b4ed12ad2f1bddb4360d69fdbbname: 842124B4ED12AD2F1BDDB4360D69FDBB.mlwsha1: 508bbcf20ef4b8948c84b82f6980950d69416d30sha256: ddd8b48a73e6c69359c8e51f1fa06dfff5c053cc73f7d2e940cf86637a571adbsha512: 49888fef02e166e50aa60229096ab74fb09fed1f7f9fc14cb8e516a7583563ec469f61d801caec0c3bdcfdf06f553f384385213334146b4b39479729ddca5f76ssdeep: 49152:i05Plk6SJKS9O5nJfS44DCS8W9s0pOocNA6Im8EY8S:iYPRaI5JfzvY9QhA6DFYltype: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2017 Realtek Semiconductor Corp.InternalName: RtlUpdFileVersion: 3, 2, 0, 0CompanyName: Realtek Semiconductor Corp.Comments: Developed by ArchengProductName: Realtek HD Auido Update and remove driver ToolProductVersion: 3, 2, 0, 0FileDescription: Driver Setup API for Realtek HD AudioOriginalFilename: RtlUpd.EXETranslation: 0x0409 0x04b0

Win32/GenKryptik.FJNR also known as:

Lionic Trojan.Win32.Malicious.4!c
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Steam.20532
Sangfor Trojan.Win32.Save.a
Alibaba Trojan:Win32/GenKryptik.3325b1d6
K7GW Trojan ( 005816d71 )
K7AntiVirus Trojan ( 005816d71 )
Cyren W32/Reline.A.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/GenKryptik.FJNR
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 100)
Kaspersky Trojan-PSW.MSIL.Reline.gjz
BitDefender Trojan.GenericKD.37480052
NANO-Antivirus Virus.Win32.Gen-Crypt.ccnc
MicroWorld-eScan Trojan.GenericKD.37480052
Ad-Aware Trojan.GenericKD.37480052
Sophos Mal/Generic-S
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.842124b4ed12ad2f
Emsisoft Trojan.Agent (A)
SentinelOne Static AI – Malicious PE
eGambit PE.Heur.InvalidSig
Kingsoft Win32.Heur.KVMH008.a.(kcloud)
Microsoft Trojan:Script/Phonzy.C!ml
Gridinsoft Trojan.Heur!.012126B1
ZoneAlarm Trojan-PSW.MSIL.Reline.gjz
GData Trojan.GenericKD.37480052
AhnLab-V3 Trojan/Win.Generic.R429793
McAfee Artemis!842124B4ED12
MAX malware (ai score=82)
VBA32 BScope.TrojanBanker.Bandra
Malwarebytes Spyware.RedLineStealer
Rising Trojan.Generic@ML.87 (RDML:EvTd9umkOwfoRUOOdHGm+w)
Ikarus Trojan.Win32.Krypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/GenKryptik.FJNR!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/GenKryptik.FJNR?

  • 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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