Categories: Ransom

Ransom:Win32/StopCrypt.SLK!MTB removal instruction

The Ransom:Win32/StopCrypt.SLK!MTB 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 Ransom:Win32/StopCrypt.SLK!MTB virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Sample contains Overlay data
  • 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 the modules from a process (may be used to locate base addresses in process injection)
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Korean
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • CAPE detected the RedLine malware family
  • Anomalous binary characteristics

How to determine Ransom:Win32/StopCrypt.SLK!MTB?


File Info:

name: 36039602B1262B59A5E1.mlwpath: /opt/CAPEv2/storage/binaries/34df404687fed1171d985fa74662a2b8c282ae9bf27dd177437079afa29cca1bcrc32: DDF30301md5: 36039602b1262b59a5e1c5b7579d9c09sha1: ee9aebf0ab263349878cbf90e5a256bbe444682fsha256: 34df404687fed1171d985fa74662a2b8c282ae9bf27dd177437079afa29cca1bsha512: fb83eedc76aef0cf0aab846892225ce4aa5a347e3ea3e4dda67c75610622d17ca93099759f85eb9ffa00293e285cf2462d03f8fc74acfd043aa22332e088351dssdeep: 6144:ZcFW8FsrExVaiU3S2qPFnDALuQgL2dgj2RUibaJMSCrs+zm1/a/fmzvF:+jEExV5U3S2qPFn0trR9KCr9Q/cwNtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1B784C000BA90D035E5B352F8597AC3A9B93D7EA05B7554CB22D52AEE5734BE0EC3130Bsha3_384: 42bc81f066694cc13818e4a0f0fa65941dc29850577e1e4db0c6b9efa09fbed94dd42ac973bde7ca25a5234f710c21e4ep_bytes: 8bff558bece876a70000e8110000005dtimestamp: 2021-12-11 02:31:07

Version Info:

Translations: 0x0154 0x0365

Ransom:Win32/StopCrypt.SLK!MTB also known as:

MicroWorld-eScan Trojan.GenericKDZ.90724
FireEye Generic.mg.36039602b1262b59
ALYac Trojan.GenericKDZ.90710
Cylance Unsafe
VIPRE Trojan.GenericKDZ.90724
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 00596b6e1 )
K7GW Trojan ( 00596b6e1 )
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Kryptik.HQJV
Paloalto generic.ml
ClamAV Win.Packed.Crypterx-9954995-0
Kaspersky HEUR:Trojan-Spy.Win32.Stealer.gen
BitDefender Trojan.GenericKDZ.90724
NANO-Antivirus Trojan.Win32.Kryptik.gsnmtt
Avast Win32:PWSX-gen [Trj]
Rising Malware.Obscure!1.A3BB (CLASSIC)
Ad-Aware Trojan.GenericKDZ.90724
Emsisoft Trojan.GenericKDZ.90724 (B)
DrWeb Trojan.Packed2.44393
TrendMicro Ransom.Win32.STOP.SMYXBFX.hp
McAfee-GW-Edition Packed-GEE!36039602B126
SentinelOne Static AI – Malicious PE
Trapmine malicious.high.ml.score
Sophos ML/PE-A + Troj/Krypt-FV
APEX Malicious
GData Trojan.GenericKDZ.90724
MAX malware (ai score=83)
Arcabit Trojan.Generic.D16256
Microsoft Ransom:Win32/StopCrypt.SLK!MTB
Cynet Malicious (score: 100)
AhnLab-V3 Packed/Win.GEE.R508209
McAfee Packed-GEE!36039602B126
VBA32 BScope.Trojan.Wacatac
Malwarebytes Trojan.MalPack.GS
Ikarus Trojan-Ransom.StopCrypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/PossibleThreat
AVG Win32:PWSX-gen [Trj]
CrowdStrike win/malicious_confidence_100% (W)

How to remove Ransom:Win32/StopCrypt.SLK!MTB?

  • 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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