Categories: Malware

Win32/Kryptik.FMEW removal instruction

The Win32/Kryptik.FMEW 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/Kryptik.FMEW virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Likely installs a bootkit via raw harddisk modifications
  • Attempts to restart the guest VM
  • Wrote 512 bytes to physical drive potentially indicative of overwriting the Master Boot Record (MBR)
  • Attempts to identify installed AV products by installation directory
  • Attempted to write directly to a physical drive

How to determine Win32/Kryptik.FMEW?


File Info:

name: 1779AF072469C2950F7C.mlwpath: /opt/CAPEv2/storage/binaries/cc1989269e37e3688cee7f7fd333c4bd948a1860c93d77da5fdac8343333d9f1crc32: E1E240EEmd5: 1779af072469c2950f7c5de2421df2f4sha1: 64460ecef66f84b19f9aa05ee3813f9ee1bb0885sha256: cc1989269e37e3688cee7f7fd333c4bd948a1860c93d77da5fdac8343333d9f1sha512: c714e0e6d7f957a9e26e4be6a9e8a4cf60fc9b5c494135a4865d8563ab2aa16014df26d42a5bdbc34fbcfa30d41e08d143a825bdf37a482617bf487bb23368f6ssdeep: 6144:zGpHc5/lTAGjLO5CzOeXpBasqqgOD2t5V4SpywekD0wGY:zCHIBxjYCaRYg7tnDektype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16B646C61A6E80275F5B2A7341A7C72A50D7FBCD16FB1C5CB73A50AED4824BC28D20763sha3_384: 9b9c1f5e47e29cb6b4af15c4696f9f586285997270a59428781c86c485047a556e056f2639346261357f79c659037e3eep_bytes: e8a2060000e963feffffcccccccccc3btimestamp: 2013-08-22 03:33:59

Version Info:

0: [No Data]

Win32/Kryptik.FMEW also known as:

Lionic Trojan.Multi.Generic.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ransom.Petya.Gen.1
FireEye Generic.mg.1779af072469c295
McAfee Ransom-Petya!1779AF072469
Cylance Unsafe
Zillya Trojan.Diskcoder.Win32.7
K7AntiVirus Trojan ( 004efa661 )
Alibaba Ransom:Win32/Mischa.bebd30ba
K7GW Trojan ( 004efa661 )
Cybereason malicious.72469c
Symantec Trojan.Gen
ESET-NOD32 a variant of Win32/Kryptik.FMEW
Paloalto generic.ml
Kaspersky Trojan-Ransom.Win32.Petr.cq
BitDefender Trojan.Ransom.Petya.Gen.1
NANO-Antivirus Trojan.Win32.MlwGen.egkwme
Tencent Win32.Trojan.Petr.Dygv
Emsisoft Trojan.Ransom.Petya.Gen.1 (B)
DrWeb Trojan.Ransom.440
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Ransom-Petya!1779AF072469
Sophos Mal/Generic-R + Troj/Petya-AE
Ikarus Trojan-Ransom.PetYa
Webroot W32.Rogue.Gen
Avira HEUR/AGEN.1122136
MAX malware (ai score=100)
Kingsoft Win32.Troj.GenericKD.v.(kcloud)
Microsoft Ransom:Win32/Mischa.A
GData Win32.Trojan-Ransom.Petya.K9MOPS
Cynet Malicious (score: 99)
AhnLab-V3 Malware/Win32.Generic.C1592333
Avast Win32:Evo-gen [Susp]
Rising Ransom.Petr!8.4667 (CLOUD)
Yandex Trojan.GenAsa!Xtwk+WKmkV0
Fortinet W32/Ransom.PETYA!tr
AVG Win32:Evo-gen [Susp]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (W)

How to remove Win32/Kryptik.FMEW?

  • 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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