Malware

How to remove “Win32/Kryptik.GVZX”?

Malware Removal

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.mlw
path: /opt/CAPEv2/storage/binaries/206f729678dad8f4efc9f91ec8e4aabcda6d5ee328ed274aeb178571f455c46e
crc32: A33054D5
md5: 80a7ea5dd30de42ec04450d38da55cc3
sha1: f3a95bb4a484adbe4ed47172092e7421aeead40a
sha256: 206f729678dad8f4efc9f91ec8e4aabcda6d5ee328ed274aeb178571f455c46e
sha512: 9d23975e10388617108e28c202ac01496171644ab62a7a37c8aae225e1de60ea57a2c0a5be4fe778de6e5471883d59c74adf2424722cfa81027bb7daed857536
ssdeep: 49152:5keaAIgggggggggggggggggggggggggggggggggggggggggggggggggggggggggg:5ke7
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T191E607706613ACBDD47151BD373FBF2C6A8FE572DA70416B09238CD186931889ECA61B
sha3_384: f32c57d69938a375a2a42203b0588b7c24f12a9b207b22b034b905b177524ff18959d4a4f0d72f31dd9535a4b682a360
ep_bytes: e86d020000e98efeffff558bec8b4508
timestamp: 2019-01-31 09:34:08

Version Info:

FileVersionStart: 9.0.5.4
InternalName: pirtbb.isi
LegalCopyright: Copyright (C) 2019, fdgudfgv
ProductVersion: 1.9.1

Win32/Kryptik.GVZX also known as:

BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Brsecmon.1
FireEyeGeneric.mg.80a7ea5dd30de42e
CAT-QuickHealRansom.Stop.MP4
McAfeeGenericRXAA-AA!80A7EA5DD30D
ZillyaTrojan.Generic.Win32.937374
SangforTrojan.Win32.Save.a
K7AntiVirusTrojan ( 00556ed41 )
BitDefenderTrojan.Brsecmon.1
K7GWTrojan ( 00556ed41 )
Cybereasonmalicious.dd30de
CyrenW32/Kryptik.ACO.gen!Eldorado
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GVZX
APEXMalicious
KasperskyHEUR:Trojan.Win32.Generic
AlibabaTrojan:Win32/Loyeetro.fe9098f9
NANO-AntivirusTrojan.Win32.Zenpak.fxmwic
TencentMalware.Win32.Gencirc.10b9c198
Ad-AwareTrojan.Brsecmon.1
SophosML/PE-A + Mal/GandCrab-H
DrWebBackDoor.Tofsee.199
TrendMicroTrojan.Win32.SODINOK.SM.hp
McAfee-GW-EditionBehavesLike.Win32.Generic.vh
EmsisoftTrojan.Brsecmon.1 (B)
IkarusTrojan.Krypt
JiangminTrojan.Zenpak.yf
AviraTR/ATRAPS.Gen2
MAXmalware (ai score=83)
Antiy-AVLTrojan/Generic.ASMalwS.2C4D28B
MicrosoftTrojan:Win32/Loyeetro.DSK!MTB
ArcabitTrojan.Brsecmon.1
GDataTrojan.Brsecmon.1
CynetMalicious (score: 100)
AhnLab-V3Win-Trojan/MalPe29.Suspicious.X2018
Acronissuspicious
VBA32BScope.Trojan.Wacatac
ALYacTrojan.Brsecmon.1
MalwarebytesTrojan.MalPack.GS
PandaTrj/GdSda.A
TrendMicro-HouseCallTrojan.Win32.SODINOK.SM.hp
RisingTrojan.Generic@ML.100 (RDML:RPFVLmKDlmoiIUKzqWVDxA)
YandexTrojan.GenAsa!ZpyuecbAhVQ
SentinelOneStatic AI – Suspicious PE
eGambitUnsafe.AI_Score_62%
FortinetW32/Kryptik.GWIV!tr
BitDefenderThetaGen:NN.ZexaF.34062.@B0@aW99FOfG
AVGWin32:Malware-gen
AvastWin32:Malware-gen
CrowdStrikewin/malicious_confidence_60% (D)
MaxSecureTrojan.Malware.300983.susgen

How to remove Win32/Kryptik.GVZX?

Win32/Kryptik.GVZX removal tool
  • 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.

About the author

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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