Categories: Malware

Win32/Kryptik.GCRV malicious file

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

  • Executable code extraction
  • Creates RWX memory
  • Starts servers listening on 0.0.0.0:5109, 0.0.0.0:45350
  • A process created a hidden window
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • A process attempted to delay the analysis task by a long amount of time.
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Attempts to identify installed AV products by registry key

How to determine Win32/Kryptik.GCRV?


File Info:

crc32: A5D1602Amd5: 781a2fbf1ce42ba57c5a4d1680ba8771name: 781A2FBF1CE42BA57C5A4D1680BA8771.mlwsha1: 047852c12ecc0c4ac0125637aa168f88f4c0d5d6sha256: 7b126592e8e4c023e000b7b673987ab304eb035ecfd4ba8d7fa5deceb49386f9sha512: 5311ad6cdda6e0bdc86ca58b356962db35d151c415a48d99f95d85de0bf6dd574191e16c7ba5924e06d96cfacddbcb4dd569839e3527bf856eff0d52d9c13fa7ssdeep: 3072:FHtMsWT1tBtAP/B/YNwG1j/wWWNHSh4H+Sz:FHvYj0/BhGCWWNqtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GCRV also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0053305e1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.24461
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Mauvaise.SL1
ALYac Trojan.BRMon.Gen.3
Cylance Unsafe
Zillya Trojan.Generic.Win32.345903
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Trojan:Win32/Bunitu.ali1000105
K7GW Trojan ( 0053305e1 )
Cybereason malicious.f1ce42
Cyren W32/S-dea5fd14!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GCRV
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.BRMon.Gen.3
NANO-Antivirus Trojan.Win32.NeutrinoPOS.exonsn
MicroWorld-eScan Trojan.BRMon.Gen.3
Tencent Malware.Win32.Gencirc.114ce5ee
Ad-Aware Trojan.BRMon.Gen.3
Sophos Mal/Generic-R + Mal/Kryptik-BN
Comodo Application.Win32.IStartSurf.PS@8c4m91
BitDefenderTheta Gen:NN.ZexaF.34608.luW@aKtHZ9k
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPGANDCRAB.SMONT
McAfee-GW-Edition BehavesLike.Win32.Generic.ch
FireEye Generic.mg.781a2fbf1ce42ba5
Emsisoft Trojan.BRMon.Gen.3 (B)
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1126869
Microsoft Trojan:Win32/Gandcrab.GM!MTB
Arcabit Trojan.BRMon.Gen.3
AegisLab Trojan.Win32.Generic.4!c
GData Win32.Trojan-Ransom.GandCrab.N
AhnLab-V3 Trojan/Win.MalPe.X2055
Acronis suspicious
McAfee Packed-ZG!781A2FBF1CE4
MAX malware (ai score=99)
VBA32 Trojan.Encoder
Malwarebytes Trojan.Bunitu
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_HPGANDCRAB.SMONT
Rising Ransom.GandCrypt!8.F33E (CLOUD)
Yandex Trojan.PWS.NeutrinoPOS!k9c+VZvraH8
Ikarus Trojan.Crypt
Fortinet W32/GenKryptik.BAZY!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Generic.HwoCUFcA

How to remove Win32/Kryptik.GCRV?

  • 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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