Categories: Malware

Win32/Kryptik.GKVF removal tips

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

  • Executable code extraction
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Portuguese (Brazilian)
  • The binary likely contains encrypted or compressed data.
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Creates a registry key or value with NUL characters to avoid detection with regedit
  • Installs itself for autorun at Windows startup
  • Attempts to modify browser security settings
  • Creates a copy of itself
  • Attempts to disable browser security warnings
  • Anomalous binary characteristics

How to determine Win32/Kryptik.GKVF?


File Info:

crc32: F8D91B99md5: e530e344f52c84ae8caf3aee1f6dc223name: E530E344F52C84AE8CAF3AEE1F6DC223.mlwsha1: de296d217905fffc596f4dc091861a2e7c319fb2sha256: 79e8de80ce067dd756de0d9057ba7640895f28b42ff1a401aabbcdc74b6ddb83sha512: 3127870e6162741e1ddf8161ed6a998539136f60729b1aa59bd2aab498eb5253d12c77f1617ece3e737e758ed14b949fb828c7a2fd68899cfa2f32e6da9549c1ssdeep: 3072:5ffGIvQ8MYwfEh+AocP8aQJ1wjZTYFjLe:B5vQ8MKqcbjaFjLetype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

FileVersion: 1.0.0.2Translation: 0x0809 0x04b0

Win32/Kryptik.GKVF also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.TinyNuke.9
MicroWorld-eScan Trojan.BRMon.Gen.4
FireEye Generic.mg.e530e344f52c84ae
McAfee Trojan-FQPW!E530E344F52C
Cylance Unsafe
AegisLab Trojan.Win32.Fareit.4!c
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0053d5971 )
BitDefender Trojan.BRMon.Gen.4
K7GW Trojan ( 0053d5971 )
CrowdStrike win/malicious_confidence_80% (D)
BitDefenderTheta Gen:NN.ZexaF.34608.hu0@aWAIgDcG
Symantec Packed.Generic.525
APEX Malicious
Avast Win32:PWSX-gen [Trj]
Kaspersky Trojan-PSW.Win32.Fareit.ejwo
Alibaba TrojanPSW:Win32/Fareit.882b2020
NANO-Antivirus Trojan.Win32.Fareit.fhvzuj
ViRobot Trojan.Win32.U.GandCrab.172032
Rising Trojan.Vigorf!8.EAEA (TFE:5:MzMuGJdPmpB)
Ad-Aware Trojan.BRMon.Gen.4
Sophos Mal/Generic-S
Comodo TrojWare.Win32.TrojanSpy.Ursnif.EM@7vyz23
F-Secure Heuristic.HEUR/AGEN.1106537
TrendMicro TSPY_FAREIT.THOIBOAH
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
Emsisoft Trojan.BRMon.Gen.4 (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1106537
MAX malware (ai score=80)
Antiy-AVL Trojan[PSW]/Win32.Fareit
Microsoft Trojan:Win32/Occamy.C
Arcabit Trojan.BRMon.Gen.4
AhnLab-V3 Trojan/Win32.Ursnif.C2720809
ZoneAlarm Trojan-PSW.Win32.Fareit.ejwo
GData Win32.Trojan-Ransom.GandCrab.O
Cynet Malicious (score: 100)
ESET-NOD32 a variant of Win32/Kryptik.GKVF
Acronis suspicious
VBA32 BScope.TrojanRansom.GandCrypt
ALYac Trojan.BRMon.Gen.4
Panda Trj/GdSda.A
TrendMicro-HouseCall TSPY_FAREIT.THOIBOAH
Tencent Win32.Trojan-qqpass.Qqrob.Aihk
Yandex Trojan.GenAsa!ei4eE51FG8s
Ikarus Trojan.Win32.Ranumbot
Fortinet W32/Kryptik.GMSM!tr
AVG Win32:PWSX-gen [Trj]
Cybereason malicious.4f52c8
Paloalto generic.ml
Qihoo-360 Win32/Trojan.PSW.b81

How to remove Win32/Kryptik.GKVF?

  • 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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