Categories: Malware

How to remove “Win32/Kryptik.GVZX”?

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

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Hindi
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Enumerates services, possibly for anti-virtualization
  • Installs itself for autorun at Windows startup
  • Installs itself for autorun at Windows startup
  • CAPE detected the Tofsee malware family
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

How to determine Win32/Kryptik.GVZX?


File Info:

name: 80A7EA5DD30DE42EC044.mlwpath: /opt/CAPEv2/storage/binaries/206f729678dad8f4efc9f91ec8e4aabcda6d5ee328ed274aeb178571f455c46ecrc32: A33054D5md5: 80a7ea5dd30de42ec04450d38da55cc3sha1: f3a95bb4a484adbe4ed47172092e7421aeead40asha256: 206f729678dad8f4efc9f91ec8e4aabcda6d5ee328ed274aeb178571f455c46esha512: 9d23975e10388617108e28c202ac01496171644ab62a7a37c8aae225e1de60ea57a2c0a5be4fe778de6e5471883d59c74adf2424722cfa81027bb7daed857536ssdeep: 49152:5keaAIgggggggggggggggggggggggggggggggggggggggggggggggggggggggggg:5ke7type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T191E607706613ACBDD47151BD373FBF2C6A8FE572DA70416B09238CD186931889ECA61Bsha3_384: f32c57d69938a375a2a42203b0588b7c24f12a9b207b22b034b905b177524ff18959d4a4f0d72f31dd9535a4b682a360ep_bytes: e86d020000e98efeffff558bec8b4508timestamp: 2019-01-31 09:34:08

Version Info:

FileVersionStart: 9.0.5.4InternalName: pirtbb.isiLegalCopyright: Copyright (C) 2019, fdgudfgvProductVersion: 1.9.1

Win32/Kryptik.GVZX also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Brsecmon.1
FireEye Generic.mg.80a7ea5dd30de42e
CAT-QuickHeal Ransom.Stop.MP4
McAfee GenericRXAA-AA!80A7EA5DD30D
Zillya Trojan.Generic.Win32.937374
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00556ed41 )
BitDefender Trojan.Brsecmon.1
K7GW Trojan ( 00556ed41 )
Cybereason malicious.dd30de
Cyren W32/Kryptik.ACO.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.GVZX
APEX Malicious
Kaspersky HEUR:Trojan.Win32.Generic
Alibaba Trojan:Win32/Loyeetro.fe9098f9
NANO-Antivirus Trojan.Win32.Zenpak.fxmwic
Tencent Malware.Win32.Gencirc.10b9c198
Ad-Aware Trojan.Brsecmon.1
Sophos ML/PE-A + Mal/GandCrab-H
DrWeb BackDoor.Tofsee.199
TrendMicro Trojan.Win32.SODINOK.SM.hp
McAfee-GW-Edition BehavesLike.Win32.Generic.vh
Emsisoft Trojan.Brsecmon.1 (B)
Ikarus Trojan.Krypt
Jiangmin Trojan.Zenpak.yf
Avira TR/ATRAPS.Gen2
MAX malware (ai score=83)
Antiy-AVL Trojan/Generic.ASMalwS.2C4D28B
Microsoft Trojan:Win32/Loyeetro.DSK!MTB
Arcabit Trojan.Brsecmon.1
GData Trojan.Brsecmon.1
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/MalPe29.Suspicious.X2018
Acronis suspicious
VBA32 BScope.Trojan.Wacatac
ALYac Trojan.Brsecmon.1
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
TrendMicro-HouseCall Trojan.Win32.SODINOK.SM.hp
Rising Trojan.Generic@ML.100 (RDML:RPFVLmKDlmoiIUKzqWVDxA)
Yandex Trojan.GenAsa!ZpyuecbAhVQ
SentinelOne Static AI – Suspicious PE
eGambit Unsafe.AI_Score_62%
Fortinet W32/Kryptik.GWIV!tr
BitDefenderTheta Gen:NN.ZexaF.34062.@B0@aW99FOfG
AVG Win32:Malware-gen
Avast Win32:Malware-gen
CrowdStrike win/malicious_confidence_60% (D)
MaxSecure Trojan.Malware.300983.susgen

How to remove Win32/Kryptik.GVZX?

  • 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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