Written by Robert Bailey

What is Ransom:Win32/StopCrypt.MSK!MTB infection?

In this post you will certainly find regarding the meaning of Ransom:Win32/StopCrypt.MSK!MTB and also its unfavorable influence on your computer. Such ransomware are a kind of malware that is specified by online scams to require paying the ransom by a victim.

GridinSoft Anti-Malware Review

It is better to prevent, than repair and repent!

When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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In the majority of the situations, Ransom:Win32/StopCrypt.MSK!MTB ransomware will certainly advise its sufferers to start funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has presented to the sufferer’s gadget.

Ransom:Win32/StopCrypt.MSK!MTB Summary

These modifications can be as adheres to:

  • 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;
  • Ciphering the papers located on the victim’s disk drive — so the victim can no longer utilize the data;
  • Preventing regular accessibility to the sufferer’s workstation;

Related domains:

z.whorecord.xyz Ransom.Stop.Z5
a.tomx.xyz Ransom.Stop.Z5
api.2ip.ua Ransom.Stop.Z5
securebiz.org Ransom.Stop.Z5
tbpws.top Ransom.Stop.Z5


One of the most normal networks whereby Ransom:Win32/StopCrypt.MSK!MTB Trojans are injected are:

  • By ways of phishing e-mails;
  • As an effect of user ending up on a source that hosts a harmful software;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the target’s computer or avoid the device from functioning in a correct way – while also placing a ransom money note that discusses the demand for the targets to impact the repayment for the objective of decrypting the files or restoring the documents system back to the initial condition. In a lot of circumstances, the ransom note will come up when the customer reboots the PC after the system has actually currently been damaged.

Ransom:Win32/StopCrypt.MSK!MTB circulation networks.

In numerous corners of the globe, Ransom:Win32/StopCrypt.MSK!MTB expands by jumps and also bounds. Nevertheless, the ransom notes and tricks of extorting the ransom money amount might vary depending upon certain local (regional) setups. The ransom money notes and tricks of extorting the ransom money amount may differ depending on specific regional (regional) setups.

Ransomware injection

As an example:

    Faulty informs concerning unlicensed software application.

    In particular locations, the Trojans usually wrongfully report having discovered some unlicensed applications enabled on the target’s device. The sharp then demands the user to pay the ransom.

    Faulty statements regarding unlawful content.

    In nations where software application piracy is less preferred, this technique is not as efficient for the cyber frauds. Alternatively, the Ransom:Win32/StopCrypt.MSK!MTB popup alert may wrongly declare to be deriving from a police institution and will report having located child porn or various other unlawful information on the tool.

    Ransom:Win32/StopCrypt.MSK!MTB popup alert may falsely claim to be acquiring from a regulation enforcement institution and also will report having situated child porn or other unlawful information on the gadget. The alert will likewise consist of a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 03FB8866
md5: 686d32c7fc67fb1dfdc12aa7e9bdbcf5
name: 686D32C7FC67FB1DFDC12AA7E9BDBCF5.mlw
sha1: c4d52823365978859abfe639871d85136ad94d61
sha256: da7263588f95278e91f5ddb2898d18735d6c6abfa1e872d1358aafa4e044adca
sha512: 005563f15ae87958f5d8586df237951e6e149be017f291931b9eeee079cdb0d501707023dad0bbcfb2081677a095d6d56b63a2858ad32a59b87f32c553e81e3e
ssdeep: 12288:4zMYUnTf1EvkOsg9/OzWhBoc+0sutJyvt5HIHY2NcyF+vl0wIdWTKi:PYOTSLxf4LBgF+MO
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoft Trojan.Ransom.Gen
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 virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Ransom:Win32/StopCrypt.MSK!MTB files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom:Win32/StopCrypt.MSK!MTB you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: http://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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