Malware

Win32/Kryptik.GNNJ (file analysis)

Malware Removal

The Win32/Kryptik.GNNJ 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.GNNJ 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
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Creates a registry key or value with NUL characters to avoid detection with regedit
  • Created a process from a suspicious location
  • Steals private information from local Internet browsers
  • Installs itself for autorun at Windows startup
  • Attempts to modify browser security settings
  • Creates a copy of itself
  • Attempts to disable browser security warnings

Related domains:

pagefinder52.uz
wpad.local-net

How to determine Win32/Kryptik.GNNJ?


File Info:

name: 060B5B82B702F4563E73.mlw
path: /opt/CAPEv2/storage/binaries/fc9865f2a6411baf254783917124a6d34a01cab5c8fa85e1c1f04bca464d97e1
crc32: 05520BB3
md5: 060b5b82b702f4563e73fc311dc62979
sha1: 29836ee87bf76d828713e1d255739486e317bf1f
sha256: fc9865f2a6411baf254783917124a6d34a01cab5c8fa85e1c1f04bca464d97e1
sha512: df2f6a634153824f4f38875ff02bd72e28f3ea3768148229d4e81b6c0d73bdd9b7afd14a3001fe61dd0f9f842f0d13223e687c125ebf9ce8cc02075bdc947493
ssdeep: 1536:IAq0QyfysCkkrfPJ5w+SFd1yRi/5s0fGH+PLomWNRtlycxnovBfuSQlIQzz1zm2b:IR+s554FXHuH4LVelycdqJFQ3ZOhY
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T137C3BE11BBD1A432C40921B49C3597E16EBEB521AB759D473FA807EE4F332F28636706
sha3_384: eb00ba27513f9231b679e8ac283a0666d133e65858d337023dcb0e0a86e0a9bfd01bd242a78d92b43991b6ee748a4b56
ep_bytes: e88d260000e978feffff8bff558becb8
timestamp: 2018-03-10 14:58:29

Version Info:

FileVersion: 2.2.4.57
InternalName: memuzeyad.exe
LegalCopyright: Copyright (C) 2017, pojajekacuzot
ProductVersion: 2.2.4.57
Translation: 0x0809 0x04b0

Win32/Kryptik.GNNJ also known as:

BkavW32.AIDetect.malware1
LionicTrojan.Win32.Fareit.4!c
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Ranpack.3
FireEyeGeneric.mg.060b5b82b702f456
McAfeeTrojan-FQKL!060B5B82B702
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforSuspicious.Win32.Save.a
K7AntiVirusTrojan ( 00543e471 )
AlibabaTrojanPSW:Win32/Fareit.ed3c632c
K7GWTrojan ( 00543e471 )
Cybereasonmalicious.2b702f
SymantecPacked.Generic.525
ESET-NOD32a variant of Win32/Kryptik.GNNJ
APEXMalicious
Paloaltogeneric.ml
ClamAVWin.Packed.Azorult-7596348-0
KasperskyTrojan-PSW.Win32.Fareit.eqmc
BitDefenderGen:Variant.Ranpack.3
NANO-AntivirusTrojan.Win32.Fareit.fkycoo
SUPERAntiSpywareTrojan.Agent/Gen-Malpack
AvastWin32:MalwareX-gen [Trj]
TencentWin32.Trojan-qqpass.Qqrob.Chn
Ad-AwareGen:Variant.Ranpack.3
EmsisoftGen:Variant.Ranpack.3 (B)
ComodoTrojWare.Win32.PSW.Azorult.B@7yyb4a
ZillyaTrojan.Fareit.Win32.30550
TrendMicroTrojanSpy.Win32.FAREIT.THABBDAH
McAfee-GW-EditionBehavesLike.Win32.Trojan.ch
SophosMal/Generic-S + Mal/GandCrab-G
GDataGen:Variant.Ranpack.3
JiangminTrojan.Chapak.afz
AviraHEUR/AGEN.1139509
Antiy-AVLTrojan/Generic.ASMalwS.29E92D8
KingsoftWin32.Troj.Generic_a.a.(kcloud)
MicrosoftTrojan:Win32/Fareit.V!MTB
CynetMalicious (score: 100)
AhnLab-V3Malware/Gen.Generic.C2886621
VBA32BScope.Trojan.Chapak
ALYacGen:Variant.Ranpack.3
MAXmalware (ai score=100)
MalwarebytesTrojan.MalPack.GS
TrendMicro-HouseCallTrojanSpy.Win32.FAREIT.THABBDAH
RisingTrojan.Generic@ML.100 (RDML:X34lf4hO/T8GX4ItUPBCmQ)
YandexTrojan.GenAsa!3bHBpovRoJE
SentinelOneStatic AI – Malicious PE
MaxSecureRansomeware.CRAB.gen
FortinetW32/GenKryptik.CUPF!tr
WebrootW32.Malware.Gen
AVGWin32:MalwareX-gen [Trj]
PandaTrj/GdSda.A
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Win32/Kryptik.GNNJ?

Win32/Kryptik.GNNJ 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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