Categories: Malware

Win32/Kryptik.LJO removal instruction

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

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Presents an Authenticode digital signature
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Dynamic (imported) function loading detected
  • Enumerates running processes
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Unconventionial language used in binary resources: Russian
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Created a process from a suspicious location
  • Creates a copy of itself
  • Anomalous binary characteristics

How to determine Win32/Kryptik.LJO?


File Info:

name: 80C0D40EFA8BE288440A.mlwpath: /opt/CAPEv2/storage/binaries/90122433a99703be9c6c146053290f0b2f1cf3ee04f4c8c4e30ced259063c4d0crc32: 5E6A229Amd5: 80c0d40efa8be288440afb706fb8d575sha1: 993042d3539c78739ad888ddbdcbcc7b23087498sha256: 90122433a99703be9c6c146053290f0b2f1cf3ee04f4c8c4e30ced259063c4d0sha512: a96b32942855a98869c6a7a91e6f39aad3fda1b9c45bfb505f9255670411ee59f4b42e85132ea066aaca52784b9b1cb42c41fea1353156650fba8de0d247a01cssdeep: 49152:VAaZu1JGQDamYiGSMVZHjC1ENVdKKlD4uR:VAaZUGoYwAZHbNVdtD4uRtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T199B533864D4554C1F276D9B0709A3AB094ADD53F0BE3B5432F521933BAF238AF2A474Esha3_384: 167c376fbcac87d1738da720abe89ffb2ba5a5fff1a98a9603f270853fc22525a5b7c37b8106b970d3d03fe00eaf60fcep_bytes: 60be153054008dbeebdfebff57eb0b90timestamp: 2005-01-29 13:02:30

Version Info:

CompanyName: Jvwgjv MxoiwFileDescription: Jvwgjv Yvlnvp JnpeprjdgFileVersion: 19, 94, 106, 63InternalName: JvwgjvLegalCopyright: Copyright © Jvwgjv Mxoiw 1998-2011OriginalFilename: Jvwgjv.exeProductName: Jvwgjv Yvlnvp JnpeprjdgProductVersion: 62, 10, 36, 122Translation: 0x0409 0x04e4

Win32/Kryptik.LJO also known as:

Bkav W32.AIDetect.malware2
Lionic Worm.Win32.Kolab.p!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.VIZ.!e!.1
FireEye Generic.mg.80c0d40efa8be288
CAT-QuickHeal Worm.SlenfBot.Gen
ALYac Gen:Heur.VIZ.!e!.1
Cylance Unsafe
Zillya Trojan.FakeAV.Win32.50946
Sangfor Trojan.Win32.ULPM.Gen
CrowdStrike win/malicious_confidence_60% (W)
Alibaba VirTool:Win32/Obfuscator.3e483fee
K7GW Trojan ( 002199a71 )
K7AntiVirus Trojan ( 002199a71 )
VirIT Trojan.Win32.MulDrop2.COGT
Cyren W32/Sefnit.G.gen!Eldorado
Symantec W32.Qakbot!gen5
ESET-NOD32 a variant of Win32/Kryptik.LJO
APEX Malicious
ClamAV Win.Trojan.Kolab-1269
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.VIZ.!e!.1
NANO-Antivirus Trojan.Win32.Kolab.imkgu
Avast Win32:DangerousSig [Trj]
Tencent Malware.Win32.Gencirc.10cdc874
Ad-Aware Gen:Heur.VIZ.!e!.1
Sophos Mal/Generic-S + Mal/FakeAV-IU
Comodo TrojWare.Win32.TrojanSpy.Zbot.G@2tckk5
DrWeb Trojan.MulDrop2.44791
VIPRE Trojan.Win32.Kryptik.mcf (v)
TrendMicro BKDR_QAKBOT.SMG
McAfee-GW-Edition W32/Pinkslipbot.gen.ae
Emsisoft Gen:Heur.VIZ.!e!.1 (B)
Ikarus Backdoor.Win32.Rbot
GData Gen:Heur.VIZ.!e!.1
Jiangmin Worm/Kolab.gsy
Webroot W32.Trojan.Gen
Avira TR/Crypt.ULPM.Gen
MAX malware (ai score=100)
Antiy-AVL Trojan/Generic.ASMalwS.1846703
ViRobot Worm.Win32.A.Net-Kolab.3566720[UPX]
ZoneAlarm HEUR:Trojan.Win32.Generic
Microsoft Trojan:Win32/Sefnit.R
Cynet Malicious (score: 99)
AhnLab-V3 Trojan/Win32.FraudPack.R3415
McAfee Artemis!80C0D40EFA8B
VBA32 Trojan.Zeus.EA.0999
TrendMicro-HouseCall BKDR_QAKBOT.SMG
Rising Trojan.Bagsu!8.3B1 (CLOUD)
Yandex Trojan.GenAsa!6PQm0jGs8mw
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.1729384.susgen
Fortinet W32/Kryptik.NAS!tr
BitDefenderTheta Gen:NN.ZexaF.34212.poNfaa7j8Kcc
AVG Win32:DangerousSig [Trj]
Cybereason malicious.efa8be
Panda Bck/Qbot.AO

How to remove Win32/Kryptik.LJO?

  • 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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