Categories: Ransom

About “Ransom:Win32/StopCrypt.MSK!MTB” infection

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

  • Executable code extraction
  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • A process created a hidden window
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Executed a process and injected code into it, probably while unpacking
  • Installs itself for autorun at Windows startup
  • Attempts to modify proxy settings
  • Creates a copy of itself
  • Anomalous binary characteristics
  • Uses suspicious command line tools or Windows utilities

Related domains:

z.whorecord.xyz
a.tomx.xyz
api.2ip.ua
securebiz.org
tbpws.top

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


File Info:

crc32: 03FB8866md5: 686d32c7fc67fb1dfdc12aa7e9bdbcf5name: 686D32C7FC67FB1DFDC12AA7E9BDBCF5.mlwsha1: c4d52823365978859abfe639871d85136ad94d61sha256: da7263588f95278e91f5ddb2898d18735d6c6abfa1e872d1358aafa4e044adcasha512: 005563f15ae87958f5d8586df237951e6e149be017f291931b9eeee079cdb0d501707023dad0bbcfb2081677a095d6d56b63a2858ad32a59b87f32c553e81e3essdeep: 12288:4zMYUnTf1EvkOsg9/OzWhBoc+0sutJyvt5HIHY2NcyF+vl0wIdWTKi:PYOTSLxf4LBgF+MOtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader41.63105
ClamAV Win.Malware.Generic-9890141-0
CAT-QuickHeal Ransom.Stop.Z5
ALYac Trojan.GenericKDZ.77460
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Cyren W32/Kryptik.EYC.gen!Eldorado
ESET-NOD32 a variant of Win32/Kryptik.HMHX
APEX Malicious
Avast Win32:PWSX-gen [Trj]
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan-Ransom.Win32.Stop.gen
BitDefender Trojan.GenericKDZ.77460
MicroWorld-eScan Trojan.GenericKDZ.77460
Ad-Aware Trojan.GenericKDZ.77460
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZexaF.34126.VqW@aOhUoOlG
McAfee-GW-Edition BehavesLike.Win32.Emotet.bc
FireEye Generic.mg.686d32c7fc67fb1d
Emsisoft Trojan.GenericKDZ.77460 (B)
SentinelOne Static AI – Malicious PE
Avira EXP/YAV.Minerva.pospj
eGambit Unsafe.AI_Score_71%
Antiy-AVL Trojan/Win32.Chapak
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/StopCrypt.MSK!MTB
Arcabit Trojan.Generic.D12E94
GData Trojan.GenericKDZ.77460
AhnLab-V3 Trojan/Win.MalPE.R440061
Acronis suspicious
McAfee Packed-GDT!686D32C7FC67
MAX malware (ai score=81)
VBA32 Trojan.Racoon
Malwarebytes Trojan.MalPack
Panda Trj/GdSda.A
Rising Malware.Obscure/Heur!1.A89F (CLASSIC)
Ikarus Trojan.Crypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/GenKryptik.FJXI!tr
AVG Win32:PWSX-gen [Trj]
Paloalto generic.ml

How to remove Ransom:Win32/StopCrypt.MSK!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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