Categories: Malware

Should I remove “Win32/Kryptik.LEK”?

The Win32/Kryptik.LEK 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.LEK 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
  • 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
  • Uses Windows utilities for basic functionality
  • Collects information to fingerprint the system

How to determine Win32/Kryptik.LEK?


File Info:

name: 8A34E6A89EE284DAB506.mlwpath: /opt/CAPEv2/storage/binaries/3fb37e348a212ecbee7ef14342b2c669025eb368564d5d7bf5db5e02a8f7722acrc32: 0BAF3D25md5: 8a34e6a89ee284dab506300d993933fcsha1: 3932867dd0b7812029144eea76a9ed66d60a4f30sha256: 3fb37e348a212ecbee7ef14342b2c669025eb368564d5d7bf5db5e02a8f7722asha512: a0ae137c5a53c7892499a10d4cc53839065fc592f3d099de272e8213d71cdc7cf9f993f17d0bba7f3ad79cdaccd536f20110fc0650d97958d16de56fdd7bb88essdeep: 3072:lYKB6hYPTpWgpo5NrN84gnEx9faApxVt65IcY2ZoekIU2NmY8u:5B6hY1y84cEPf+FNPRtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T158C31262E2DB0437F883B73B7372EB456A11E585072747820EB787EC6C17A912E83875sha3_384: 69daa4472e699a288b08b6d7a82d82f885d576c249e3c4fe9c1b9c263b8e6d88b3b1acec0bc1cbf76777053dea5d5dbcep_bytes: 60be159041008dbeeb7ffeff57eb0b90timestamp: 2005-05-30 17:22:43

Version Info:

CompanyName: Sptnm IevgkjchFileDescription: Sptnm Egawgnsji NtihrFileVersion: 89,76,38,76InternalName: SptnmLegalCopyright: Copyright © Sptnm Ievgkjch 2003-2008OriginalFilename: Sptnm.exeProductName: Sptnm Egawgnsji NtihrProductVersion: 101,94,55,36Translation: 0x0409 0x04e4

Win32/Kryptik.LEK also known as:

Bkav W32.MosquitoQKK.Fam.Trojan
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.Packed.21467
MicroWorld-eScan Gen:Heur.VIZ.2
FireEye Generic.mg.8a34e6a89ee284da
CAT-QuickHeal Worm.SlenfBot.Gen
McAfee W32/Pinkslipbot.gen.af
Cylance Unsafe
VIPRE Trojan.Win32.Kryptik.lbu (v)
Sangfor Trojan.Win32.Zbot.ZA
K7AntiVirus Trojan ( f1000f011 )
Alibaba TrojanPSW:Win32/Kryptik.7ee21b6f
K7GW Trojan ( f1000f011 )
Cybereason malicious.89ee28
BitDefenderTheta Gen:NN.ZexaF.34212.hmKfaqkoAqac
VirIT Trojan.Win32.Crypt.AGIQ
Cyren W32/Zbot.CN.gen!Eldorado
Symantec W32.Qakbot!gen5
ESET-NOD32 a variant of Win32/Kryptik.LEK
TrendMicro-HouseCall BKDR_QAKBOT.SMG
Avast FileRepMalware
ClamAV Win.Worm.Kolab-690
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Heur.VIZ.2
NANO-Antivirus Trojan.Win32.Kolab.vbvpv
SUPERAntiSpyware Trojan.Agent/Gen-Cryptic
Tencent Win32.Trojan.Generic.Eanc
Ad-Aware Gen:Heur.VIZ.2
Emsisoft Gen:Heur.VIZ.2 (B)
Comodo TrojWare.Win32.TrojanSpy.Zbot.G@2tckk5
Zillya Trojan.Kryptik.Win32.1754536
TrendMicro BKDR_QAKBOT.SMG
McAfee-GW-Edition BehavesLike.Win32.MultiDropper.cc
Sophos ML/PE-A + Mal/FakeAV-BW
Paloalto generic.ml
GData Gen:Heur.VIZ.2
Jiangmin Worm/Kolab.guz
eGambit Unsafe.AI_Score_99%
Avira TR/Crypt.XPACK.Gen
Antiy-AVL Trojan/Win32.AGeneric
Arcabit Trojan.VIZ.2
ViRobot Worm.Win32.A.Net-Kolab.128000.B
ZoneAlarm UDS:DangerousObject.Multi.Generic
Microsoft PWS:Win32/Zbot
AhnLab-V3 Trojan/Win32.Zbot.R3226
VBA32 Trojan.Zeus.EA.0999
MAX malware (ai score=100)
Malwarebytes Malware.Heuristic.1003
APEX Malicious
Rising Trojan.Kryptik!8.8 (CLOUD)
Yandex Trojan.GenAsa!Hc4b0d5ZneU
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.NAS!tr
Webroot Pws:Win32/Zbot.Gen!y
AVG FileRepMalware
Panda Bck/Qbot.AO

How to remove Win32/Kryptik.LEK?

  • 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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