What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

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

In this article you will find about the meaning of Ransom:Win32/StopCrypt.MFK!MTB as well as its unfavorable effect on your computer system. Such ransomware are a type of malware that is specified by on the internet scams to require paying the ransom by a target.

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In the majority of the instances, Ransom:Win32/StopCrypt.MFK!MTB virus will certainly advise its sufferers to initiate funds move for the purpose of counteracting the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Ransom:Win32/StopCrypt.MFK!MTB Summary

These modifications can be as follows:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Injection with CreateRemoteThread in a remote process;
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • Unconventionial language used in binary resources: Arabic (Morocco);
  • The binary likely contains encrypted or compressed data.;
  • Executed a process and injected code into it, probably while unpacking;
  • Sniffs keystrokes;
  • Installs an hook procedure to monitor for mouse events;
  • Anomalous binary characteristics;
  • Ciphering the records situated on the target’s hard drive — so the target can no more use the data;
  • Preventing regular accessibility to the sufferer’s workstation;

Related domains:

z.whorecord.xyz Ransom.Stop.Z5
a.tomx.xyz Ransom.Stop.Z5


The most regular channels whereby Ransom:Win32/StopCrypt.MFK!MTB Ransomware Trojans are injected are:

  • By methods of phishing e-mails;
  • As a consequence of customer winding up on a source that holds a harmful software program;

As quickly as the Trojan is effectively injected, it will certainly either cipher the information on the victim’s PC or prevent the gadget from functioning in a proper manner – while additionally putting a ransom note that discusses the demand for the victims to effect the repayment for the objective of decrypting the papers or recovering the file system back to the preliminary problem. In the majority of instances, the ransom money note will come up when the customer restarts the PC after the system has already been harmed.

Ransom:Win32/StopCrypt.MFK!MTB circulation channels.

In different corners of the world, Ransom:Win32/StopCrypt.MFK!MTB grows by leaps as well as bounds. However, the ransom money notes and also methods of extorting the ransom quantity might vary depending upon specific regional (local) setups. The ransom money notes as well as techniques of extorting the ransom money amount might differ depending on particular regional (local) settings.

Ransomware injection

As an example:

    Faulty signals about unlicensed software program.

    In particular areas, the Trojans commonly wrongfully report having detected some unlicensed applications allowed on the sufferer’s gadget. The sharp then requires the individual to pay the ransom money.

    Faulty statements regarding unlawful material.

    In countries where software application piracy is less prominent, this method is not as effective for the cyber frauds. Conversely, the Ransom:Win32/StopCrypt.MFK!MTB popup alert may wrongly claim to be originating from a law enforcement institution and will certainly report having located youngster porn or various other unlawful information on the gadget.

    Ransom:Win32/StopCrypt.MFK!MTB popup alert might falsely assert to be obtaining from a legislation enforcement organization and will certainly report having located child porn or other prohibited information on the device. The alert will likewise contain a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 12615511
md5: e7c0b56dd1a23c604dfef02fde250715
name: E7C0B56DD1A23C604DFEF02FDE250715.mlw
sha1: 8fdbf63113c549be2b02913fa652f5c34c7fdd99
sha256: bb534b16e60c7e9dac99750bb42d8c7c033c94c39bc59ce818266b6ba8f8752a
sha512: 8bd40ab8aa076990e2444ac0c43387d652ccfd093e329eb88dc842837dc45a1a91663345698e0743e0419677a964b45af15d45762cc540bf1223ee6f8a914344
ssdeep: 24576:9uLJS4WdZRCVaK3qjJwIcjIjPwmro30z9jaj/W/GGR/M+oNsW87C7QH/VDOBh7:9uPKRiGJbcjuwMoEtGGlMBNFi1H/J0h
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
Lionic Trojan.Win32.Agent.4!c
Elastic malicious (high confidence)
DrWeb Trojan.PWS.Siggen3.3146
ClamAV Win.Packed.Generic-9893540-0
CAT-QuickHeal Ransom.Stop.Z5
ALYac Trojan.GenericKD.37597563
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Trojan:Win32/Azorult.db533c4f
K7GW Trojan ( 00581f861 )
K7AntiVirus Trojan ( 00581f861 )
Cyren W32/Kryptik.EYC.gen!Eldorado
Symantec Trojan.Gen.MBT
ESET-NOD32 a variant of Win32/Kryptik.HMMX
APEX Malicious
Avast Win32:PWSX-gen [Trj]
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Agent.gen
BitDefender Trojan.GenericKD.37597563
MicroWorld-eScan Trojan.GenericKD.37597563
Ad-Aware Trojan.GenericKD.37597563
Sophos Mal/Generic-S
BitDefenderTheta Gen:NN.ZexaF.34142.PvW@aSe4yLdO
McAfee-GW-Edition BehavesLike.Win32.VBobfus.tc
FireEye Generic.mg.e7c0b56dd1a23c60
Emsisoft Trojan.GenericKD.37597563 (B)
SentinelOne Static AI – Malicious PE
Avira TR/AD.MalwareCrypter.tkcqo
Microsoft Ransom:Win32/StopCrypt.MFK!MTB
Arcabit Trojan.Generic.D23DB17B
GData Win32.Trojan.BSE.XGXYJ9
AhnLab-V3 Trojan/Win.MalPE.R442026
Acronis suspicious
McAfee Artemis!E7C0B56DD1A2
MAX malware (ai score=83)
VBA32 Malware-Cryptor.Azorult.gen
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_GEN.R06CH07IG21
Rising Trojan.Kryptik!1.D975 (CLASSIC)
Ikarus Win32.Outbreak
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.HMMS!tr
AVG Win32:PWSX-gen [Trj]
Paloalto generic.ml

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

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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.MFK!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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If the guide doesn’t help you to remove Ransom:Win32/StopCrypt.MFK!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/
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About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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