Categories: Malware

Win32/Kryptik.GUOQ malicious file

The Win32/Kryptik.GUOQ 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.GUOQ 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
  • Performs HTTP requests potentially not found in PCAP.
  • Enumerates running processes
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Arabic
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Steals private information from local Internet browsers
  • CAPE detected the Vidar malware family
  • Attempts to modify proxy settings
  • Harvests cookies for information gathering
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

How to determine Win32/Kryptik.GUOQ?


File Info:

name: F16EB70549A359FB01E9.mlwpath: /opt/CAPEv2/storage/binaries/c38a4f97eac5c8a12d6e37b7ce3cf2fb83cbb38122cfc6d66ea326067876060ecrc32: A9DE5DC0md5: f16eb70549a359fb01e9bd41ee5fe859sha1: bfe3919609bfe8c2413e7a98c92eb9a3ec9824d3sha256: c38a4f97eac5c8a12d6e37b7ce3cf2fb83cbb38122cfc6d66ea326067876060esha512: 050c6162cb010e7543119d343548ae960bad47f7cded57517ac47357ab24af82a68ffae4dc7b10439a258a041eb70639f0d1a74690dc4a3933a115bcbca1ead7ssdeep: 12288:ny8Wv8F7HwDsjaYTHrNfhNL45GqHzQqPfzBnRNB+IIXFIJ78zI:y8Wv8ptZTu5hHzQqnzrqIISaItype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17AF40112B6D08031C4B3127B4565EB22C7BEBD705A36AE57BBC81E1DDAB44C1A736723sha3_384: 193afb37345a81add611c878caadd3fc7bb7822661ffb6962daea6519fca5f128c6986c5d33db097ec1a451837dcaeb7ep_bytes: e8ccbf0000e939feffffcc8b4c2404f7timestamp: 2018-08-16 02:01:50

Version Info:

0: [No Data]

Win32/Kryptik.GUOQ also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Brsecmon.1
FireEye Generic.mg.f16eb70549a359fb
CAT-QuickHeal Ransom.Stop.MP4
ALYac Trojan.Brsecmon.1
Sangfor Trojan.Win32.Save.a
Cybereason malicious.549a35
BitDefenderTheta Gen:NN.ZexaF.34062.UKW@aO1yHgjG
Cyren W32/Kryptik.ADJ.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GUOQ
TrendMicro-HouseCall Trojan.Win32.GLUPTEBA.SM.hp
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.Brsecmon.1
Avast Win32:CrypterX-gen [Trj]
Ad-Aware Trojan.Brsecmon.1
Emsisoft Trojan.Brsecmon.1 (B)
Comodo TrojWare.Win32.Tiggre.U@8b1jx4
TrendMicro Trojan.Win32.GLUPTEBA.SM.hp
McAfee-GW-Edition BehavesLike.Win32.Packed.bh
SentinelOne Static AI – Malicious PE
Sophos ML/PE-A + Mal/GandCrab-H
Ikarus Trojan.Win32.Crypt
GData Trojan.Brsecmon.1
Jiangmin TrojanDownloader.Bandit.wd
Avira TR/AD.VidarStealer.bpao
Arcabit Trojan.Brsecmon.1
Microsoft Trojan:Win32/Wacatac.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/MalPe25.Suspicious.X2011
Acronis suspicious
McAfee GenericRXIV-NH!F16EB70549A3
VBA32 BScope.Backdoor.Tofsee
Malwarebytes Trojan.MalPack.GS
APEX Malicious
Rising Malware.Heuristic!ET#94% (RDMK:cmRtazqB+3HXE7TssZ2HNPoQtEIY)
MAX malware (ai score=84)
eGambit Unsafe.AI_Score_99%
Fortinet W32/Kryptik.GVOI!tr
AVG Win32:CrypterX-gen [Trj]
Panda Trj/GdSda.A
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32/Kryptik.GUOQ?

  • 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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