Ransom:Win32/StopCrypt.MHK!MTB

Written by Robert Bailey

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

In this short article you will discover regarding the meaning of Ransom:Win32/StopCrypt.MHK!MTB and its adverse impact on your computer. Such ransomware are a form of malware that is elaborated by online scams to demand paying the ransom money by a target.

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Most of the situations, Ransom:Win32/StopCrypt.MHK!MTB virus will instruct its targets to start funds transfer for the purpose of reducing the effects of the amendments that the Trojan infection has presented to the target’s gadget.

Ransom:Win32/StopCrypt.MHK!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;
  • Drops a binary and executes it;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Arabic (Libya);
  • The binary likely contains encrypted or compressed data.;
  • Executed a process and injected code into it, probably while unpacking;
  • Network activity contains more than one unique useragent.;
  • Installs itself for autorun at Windows startup;
  • Writes a potential ransom message to disk;
  • Attempts to modify proxy settings;
  • Creates a copy of itself;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records situated on the victim’s disk drive — so the target can no longer use the data;
  • Preventing normal accessibility to the sufferer’s workstation;

Related domains:

api.2ip.ua Ransom:Win32/StopCrypt.efe171da
securebiz.org Ransom:Win32/StopCrypt.efe171da
tbpws.top Ransom:Win32/StopCrypt.efe171da
mas.to Ransom:Win32/StopCrypt.efe171da

Ransom:Win32/StopCrypt.MHK!MTB

The most normal channels where Ransom:Win32/StopCrypt.MHK!MTB are infused are:

  • By means of phishing e-mails;
  • As an effect of individual ending up on a source that holds a harmful software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the target’s computer or protect against the device from functioning in a proper fashion – while also placing a ransom note that points out the demand for the victims to effect the settlement for the function of decrypting the records or recovering the file system back to the first problem. In many circumstances, the ransom note will certainly come up when the customer restarts the PC after the system has actually currently been harmed.

Ransom:Win32/StopCrypt.MHK!MTB distribution channels.

In various corners of the globe, Ransom:Win32/StopCrypt.MHK!MTB expands by leaps and bounds. Nonetheless, the ransom money notes and also tricks of extorting the ransom quantity may vary depending upon specific neighborhood (regional) settings. The ransom money notes and tricks of extorting the ransom amount might vary depending on particular regional (local) settings.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software.

    In particular locations, the Trojans typically wrongfully report having discovered some unlicensed applications made it possible for on the sufferer’s tool. The alert then demands the customer to pay the ransom money.

    Faulty statements concerning unlawful web content.

    In nations where software program piracy is less preferred, this method is not as efficient for the cyber fraudulences. Conversely, the Ransom:Win32/StopCrypt.MHK!MTB popup alert may falsely claim to be deriving from a law enforcement establishment as well as will report having located kid porn or various other prohibited information on the gadget.

    Ransom:Win32/StopCrypt.MHK!MTB popup alert may falsely claim to be acquiring from a legislation enforcement institution and will report having located kid pornography or various other illegal information on the gadget. The alert will likewise consist of a requirement for the individual to pay the ransom money.

Technical details

File Info:

crc32: AF262872
md5: b26b3f74ac19f1cd7a7f0816c5f60b58
name: B26B3F74AC19F1CD7A7F0816C5F60B58.mlw
sha1: 642c516c87065721f8d52ca81f43781096fa63eb
sha256: ca60ed97fc35897fdb89daf1b39d312391137eefc93bfd96fd8f8264ab2b12a1
sha512: 57d7c74438399d8b99e28158d42457e0f4580963a11218b044f5d326e0c8799a7282487077beea21c38836a32c547f405b4284c5fd3b2383375e5529e599de2e
ssdeep: 12288:0w6Ws1CiWhiddE8XynvyOI10qIK7XG7HnypcP0qQBLmSgXZtELBmAx+E3Bai:0w6WuCvibHiFI10TjSpbqQwSgrEL1gE
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: sojbmoeminu.ihe
ProductVersion: 8.19.590.38
Copyright: Copyrighz (C) 2021, fudkagata
Translation: 0x0129 0x0171

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004d37941 )
Lionic Trojan.Win32.Stop.j!c
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Fragtor.24084
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/StopCrypt.efe171da
K7GW Trojan ( 004d37941 )
Cybereason malicious.c87065
Cyren W32/Kryptik.EWJ.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.DZIC
APEX Malicious
Avast Win32:PWSX-gen [Trj]
ClamAV Win.Packed.Generic-9895572-0
Kaspersky HEUR:Trojan-Ransom.Win32.Stop.gen
BitDefender Gen:Variant.Fragtor.24084
MicroWorld-eScan Gen:Variant.Fragtor.24084
Ad-Aware Gen:Variant.Fragtor.24084
Sophos ML/PE-A + Troj/Krypt-BO
BitDefenderTheta Gen:NN.ZexaF.34170.Vq0@a4W1hafO
McAfee-GW-Edition BehavesLike.Win32.Emotet.bc
FireEye Generic.mg.b26b3f74ac19f1cd
Emsisoft Trojan.Agent (A)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor.Mokes.eny
Webroot W32.Trojan.Gen
Avira TR/AD.InstaBot.phzij
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/StopCrypt.MHK!MTB
GData Gen:Variant.Fragtor.24084
AhnLab-V3 Trojan/Win.Racealer.R442291
Acronis suspicious
McAfee RDN/Generic PWS.y
MAX malware (ai score=88)
VBA32 BScope.Trojan.Racealer
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_StopCrypt.R002C0DIN21
Rising Trojan.Kryptik!1.D9B3 (CLASSIC)
Ikarus Win32.Outbreak
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.DZIC!tr
AVG Win32:PWSX-gen [Trj]
Paloalto generic.ml

How to remove Ransom:Win32/StopCrypt.MHK!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.MHK!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:

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Full version of GridinSoft Anti-Malware

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

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References

  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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