Written by Robert Bailey

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

In this article you will certainly find about the interpretation of Ransom:Win32/StopCrypt.MDK!MTB and its negative effect on your computer. Such ransomware are a kind of malware that is clarified by on the internet frauds to demand paying the ransom money by a target.

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 instances, Ransom:Win32/StopCrypt.MDK!MTB virus will instruct its victims to initiate funds move for the objective of counteracting the amendments that the Trojan infection has actually introduced to the target’s tool.

Ransom:Win32/StopCrypt.MDK!MTB Summary

These modifications can be as adheres to:

  • Executable code extraction;
  • Attempts to connect to a dead IP:Port (4 unique times);
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data.;
  • Collects information to fingerprint the system;
  • Anomalous binary characteristics;
  • Ciphering the documents located on the victim’s hard drive — so the victim can no longer make use of the data;
  • Preventing routine access to the victim’s workstation;

Related domains:

z.whorecord.xyz Ransom.Stop.Z5
telete.in Ransom.Stop.Z5
apps.identrust.com Ransom.Stop.Z5
a.tomx.xyz Ransom.Stop.Z5


One of the most common networks through which Ransom:Win32/StopCrypt.MDK!MTB Ransomware are infused are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a source that organizes a destructive software;

As quickly as the Trojan is effectively injected, it will either cipher the data on the victim’s computer or avoid the tool from functioning in a correct manner – while also positioning a ransom note that points out the requirement for the victims to impact the settlement for the objective of decrypting the records or bring back the data system back to the initial problem. In most instances, the ransom money note will turn up when the customer restarts the PC after the system has actually currently been harmed.

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

In numerous corners of the world, Ransom:Win32/StopCrypt.MDK!MTB grows by jumps and also bounds. Nevertheless, the ransom money notes and also tricks of extorting the ransom money quantity might vary depending upon certain regional (regional) setups. The ransom money notes and techniques of extorting the ransom amount may vary depending on certain local (regional) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software application.

    In certain areas, the Trojans often wrongfully report having actually spotted some unlicensed applications allowed on the victim’s device. The alert then demands the individual to pay the ransom money.

    Faulty declarations regarding prohibited web content.

    In nations where software application piracy is less preferred, this approach is not as efficient for the cyber scams. Alternatively, the Ransom:Win32/StopCrypt.MDK!MTB popup alert may wrongly claim to be deriving from a police organization as well as will certainly report having situated youngster porn or various other prohibited information on the tool.

    Ransom:Win32/StopCrypt.MDK!MTB popup alert might incorrectly declare to be acquiring from a legislation enforcement institution as well as will report having situated youngster pornography or other unlawful information on the gadget. The alert will in a similar way include a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: 79631DB7
md5: 49fd808900e0933700e8843f99773022
name: 49FD808900E0933700E8843F99773022.mlw
sha1: d2aa075e9f8bf7f95d54c0ce115918f266cc621b
sha256: f0c98f4c47a7f3890884cea6e1e84d19fd63eeed8b05ba9cb367707a0f28aeba
sha512: 0ff1a5afa998d37795dc0838cad60c15e3c19e8b148118ec02b1d4c43cf8a1f6f044731de244e73b06f8435cfd8576a7b4e3f9275b6a0e95865a4f5ecdb1d4cb
ssdeep: 12288:u5/ay28M5OLIqUK2aK78VOpzWgFJtF2rPz5Ky1D9I+:mCy25UibzdJ6rPddjI
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 00581f861 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader43.21162
Cynet Malicious (score: 100)
CAT-QuickHeal Ransom.Stop.Z5
ALYac Gen:Variant.Fragtor.20722
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/StopCrypt.1017
K7GW Trojan ( 00581f861 )
Cybereason malicious.e9f8bf
Cyren W32/Kryptik.EYC.gen!Eldorado
Symantec Trojan.Gen.2
ESET-NOD32 a variant of Win32/Kryptik.HMMF
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
Kaspersky HEUR:Trojan-Ransom.Win32.Stop.gen
BitDefender Gen:Variant.Fragtor.20722
MicroWorld-eScan Gen:Variant.Fragtor.20722
Ad-Aware Gen:Variant.Fragtor.20722
Sophos Mal/Generic-S
Comodo TrojWare.Win32.UMal.hhylv@0
BitDefenderTheta Gen:NN.ZexaF.34142.IuW@a86mOhnO
McAfee-GW-Edition BehavesLike.Win32.Generic.hc
FireEye Generic.mg.49fd808900e09337
Emsisoft Gen:Variant.Fragtor.20722 (B)
SentinelOne Static AI – Malicious PE
Avira TR/AD.StellarStealer.gjdfp
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Ransom:Win32/StopCrypt.MDK!MTB
ZoneAlarm HEUR:Trojan-Ransom.Win32.Stop.gen
GData Gen:Variant.Fragtor.20722
AhnLab-V3 Trojan/Win.MalPE.R441499
Acronis suspicious
McAfee RDN/Generic.hbg
MAX malware (ai score=86)
VBA32 Malware-Cryptor.Azorult.gen
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
Rising Trojan.Kryptik!1.D975 (CLASSIC)
Ikarus Trojan.Win32.Krypt
Fortinet W32/GenericKDZ.3A1D!tr
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml

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

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.MDK!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.MDK!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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