Malware

Win32/Kryptik.GJOF information

Malware Removal

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

  • Executable code extraction
  • Injection (inter-process)
  • Injection with CreateRemoteThread in a remote process
  • Mimics the system’s user agent string for its own requests
  • Creates RWX memory
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Slovenian
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Detects Sandboxie through the presence of a library
  • Detects the presence of Wine emulator via function name
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Installs itself for autorun at Windows startup
  • Attempts to identify installed analysis tools by a known file location
  • Checks for the presence of known devices from debuggers and forensic tools
  • Detects the presence of Wine emulator via registry key
  • Detects Sandboxie using a known mutex
  • Creates a copy of itself
  • Checks for a known DeepFreeze Frozen State Mutex
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

How to determine Win32/Kryptik.GJOF?


File Info:

crc32: 79E1FBDB
md5: c7195e3ad5bcf7840439e355267767bd
name: C7195E3AD5BCF7840439E355267767BD.mlw
sha1: 70bc496978c190a9ff3f4024e7d3a0ccf3bb0985
sha256: 891e12f2971cc0db0d2205fccf1a20698dc63e34b9f9bacff085b98ed7cedf5a
sha512: 2aca19e70cdab64c8541a8f9832fc0921ae58c2b087e737236a5a39a9254b2c9dcaf55d4682073a8a31ec15aadad286f701f7dbd4261b3cf656db17fef9d5da4
ssdeep: 3072:vvHL52pcaI5CbhvXtGezv2LoOJPi1e1HXkw6d6IG5g8g4+Ek1:3HLYFh/IdPtBXkwrDlgb
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.GJOF also known as:

BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00516fdf1 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.24384
CynetMalicious (score: 100)
CAT-QuickHealWorm.Gamarue.MUE.ZZ4
ALYacGen:Variant.Ransom.GandCrab.1930
CylanceUnsafe
ZillyaTrojan.Generic.Win32.516159
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
AlibabaTrojan:Win32/Kryptik.19d75677
K7GWTrojan ( 00516fdf1 )
Cybereasonmalicious.ad5bcf
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GJOF
APEXMalicious
AvastWin32:TrojanX-gen [Trj]
ClamAVWin.Ransomware.Gandcrab-7340174-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Variant.Ransom.GandCrab.1930
NANO-AntivirusTrojan.Win32.Encoder.fhpfhb
MicroWorld-eScanGen:Variant.Ransom.GandCrab.1930
TencentWin32.Trojan.Generic.Swkn
Ad-AwareGen:Variant.Ransom.GandCrab.1930
SophosML/PE-A + Mal/GandCrab-G
ComodoTrojWare.Win32.PSW.Coins.FS@7s47lc
BitDefenderThetaGen:NN.ZexaF.34670.kuW@aivLBWbc
TrendMicroRansom_GANDCRAB.SMALY-3
McAfee-GW-EditionBehavesLike.Win32.Generic.ch
FireEyeGeneric.mg.c7195e3ad5bcf784
EmsisoftGen:Variant.Ransom.GandCrab.1930 (B)
SentinelOneStatic AI – Suspicious PE
JiangminTrojan.Chapak.my
AviraHEUR/AGEN.1102792
eGambitUnsafe.AI_Score_97%
MicrosoftPWS:Win32/Zbot
ArcabitTrojan.Ransom.GandCrab.D78A
AegisLabTrojan.Win32.GandCrypt.trvc
GDataGen:Variant.Ransom.GandCrab.1930
AhnLab-V3Win-Trojan/Gandcrab04.Exp
Acronissuspicious
McAfeePacked-FJN!C7195E3AD5BC
MAXmalware (ai score=84)
VBA32Malware-Cryptor.Limpopo
MalwarebytesTrojan.MalPack
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_GANDCRAB.SMALY-3
RisingTrojan.Generic!8.C3 (CLOUD)
YandexTrojan.GenAsa!K231r3FxgKE
IkarusTrojan.Win32.Crypt
FortinetW32/Kryptik.HCUD!tr
AVGWin32:TrojanX-gen [Trj]
Paloaltogeneric.ml
Qihoo-360Win32/Trojan.Generic.HgIASOgA

How to remove Win32/Kryptik.GJOF?

Win32/Kryptik.GJOF 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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