Malware

What is “Win32/Kryptik.JOE”?

Malware Removal

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

  • 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
  • Unconventionial language used in binary resources: Russian
  • Authenticode signature is invalid
  • Tries to unhook or modify Windows functions monitored by Cuckoo

How to determine Win32/Kryptik.JOE?


File Info:

name: 6AE04B2EB42530058F66.mlw
path: /opt/CAPEv2/storage/binaries/216c1cf1e7383860aaac1e790345ecac407577e40d989135e17f601bdc06d19c
crc32: D65E612A
md5: 6ae04b2eb42530058f66a2fb17c070de
sha1: 5269fca0918774e5652d8385a36274ad31521d61
sha256: 216c1cf1e7383860aaac1e790345ecac407577e40d989135e17f601bdc06d19c
sha512: c16c7f06e9538033889053805c06da6eb4ae42a6fb55d56dbaa2c2b4d97622f1f98a47a8250cb05d4bdf2be3673cf6e75fd25031ac8835876ee4c0bcfd150d2b
ssdeep: 6144:XkE/2xfFpggLtA+vmE9HD55OD90ihcWHDhqBGl:XnObBlOE9HCD9x5yGl
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T18244E0427B934B7BC0B04732B9AA9E62F2BD3E4495D2071773D5AD1B2EF261B6703424
sha3_384: 9aeddd75de28e7a8d2386c26113b8cb1c94aa638bab0df518b2d8414fa11bc0cbcdcabfc277ff342aaaf36b3e67a10b9
ep_bytes: 558bec83c4ec68427978006838380000
timestamp: 2008-06-09 03:10:40

Version Info:

0: [No Data]

Win32/Kryptik.JOE also known as:

BkavW32.AIDetect.malware2
LionicTrojan.Win32.Generic.4!c
Elasticmalicious (high confidence)
FireEyeGeneric.mg.6ae04b2eb4253005
McAfeePWS-Spyeye.fc
CylanceUnsafe
ZillyaTrojan.Kryptik.Win32.572757
SangforSuspicious.Win32.Save.a
K7AntiVirusTrojan ( 001e9d211 )
AlibabaTrojan:Win32/Kryptik.3bda74df
K7GWTrojan ( 001e9d211 )
Cybereasonmalicious.eb4253
VirITTrojan.Win32.MulDrop1.DQRX
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/Kryptik.JOE
APEXMalicious
Paloaltogeneric.ml
CynetMalicious (score: 100)
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderGen:Trojan.Heur.JP.pqX@a0QI6Kpc
NANO-AntivirusTrojan.Win32.Drop.cqtldr
MicroWorld-eScanGen:Trojan.Heur.JP.pqX@a0QI6Kpc
AvastWin32:Krajabot-G [Trj]
TencentMalware.Win32.Gencirc.10c1bc00
Ad-AwareGen:Trojan.Heur.JP.pqX@a0QI6Kpc
EmsisoftGen:Trojan.Heur.JP.pqX@a0QI6Kpc (B)
ComodoTrojWare.Win32.TrojanSpy.Zbot.G@2tckk5
DrWebTrojan.MulDrop1.64009
VIPREVirTool.Win32.Obfuscator.da!j (v)
TrendMicroTROJ_SPYEYE.SMEP
McAfee-GW-EditionBehavesLike.Win32.Spyeye.dm
SophosML/PE-A + Mal/Zbot-AV
IkarusTrojan.Win32.Spyeye
GDataGen:Trojan.Heur.JP.pqX@a0QI6Kpc
JiangminTrojan/Lebag.afg
AviraTR/Dropper.Gen
Antiy-AVLTrojan/Generic.ASMalwS.1CA0BF
KingsoftWin32.Troj.Undef.(kcloud)
ArcabitTrojan.Heur.JP.EBDFAF
ZoneAlarmHEUR:Trojan.Win32.Generic
MicrosoftTrojan:Win32/Ramnit
BitDefenderThetaAI:Packer.B4FCD2FB1F
ALYacGen:Trojan.Heur.JP.pqX@a0QI6Kpc
MAXmalware (ai score=100)
VBA32Trojan.Zeus.EA.0999
MalwarebytesTrojan.Zbot.RGI
TrendMicro-HouseCallTROJ_SPYEYE.SMEP
RisingTrojan.Generic!8.C3 (CLOUD)
YandexTrojan.GenAsa!DmGn9p5HjPQ
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Kryptik.NAS!tr
AVGWin32:Krajabot-G [Trj]
PandaGeneric Malware
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Win32/Kryptik.JOE?

Win32/Kryptik.JOE 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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