Written by Robert Bailey

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

In this short article you will certainly locate regarding the meaning of Ransom:Win32/StopCrypt.MKK!MTB as well as its negative influence on your computer. Such ransomware are a type of malware that is specified by online scams to demand paying the ransom money 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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Most of the instances, Ransom:Win32/StopCrypt.MKK!MTB ransomware will certainly advise its sufferers to launch funds move for the function of counteracting the modifications that the Trojan infection has presented to the sufferer’s tool.

Ransom:Win32/StopCrypt.MKK!MTB Summary

These alterations can be as complies with:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • Creates RWX memory;
  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data.;
  • Executed a process and injected code into it, probably while unpacking;
  • Detects Sandboxie through the presence of a library;
  • Detects Avast Antivirus through the presence of a library;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the files located on the target’s hard disk — so the target can no longer make use of the data;
  • Preventing normal accessibility to the victim’s workstation;


One of the most typical networks through which Ransom:Win32/StopCrypt.MKK!MTB Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As a consequence of individual ending up on a resource that holds a destructive software program;

As soon as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s PC or stop the gadget from operating in a proper way – while additionally positioning a ransom note that states the need for the targets to impact the payment for the purpose of decrypting the papers or restoring the data system back to the initial problem. In many circumstances, the ransom note will come up when the client reboots the COMPUTER after the system has currently been harmed.

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

In different edges of the globe, Ransom:Win32/StopCrypt.MKK!MTB grows by jumps and bounds. Nevertheless, the ransom money notes and tricks of obtaining the ransom money quantity might differ depending upon certain regional (local) setups. The ransom notes as well as tricks of obtaining the ransom quantity may vary depending on certain local (local) setups.

Ransomware injection

For example:

    Faulty signals regarding unlicensed software.

    In particular locations, the Trojans frequently wrongfully report having found some unlicensed applications made it possible for on the target’s device. The alert then requires the customer to pay the ransom.

    Faulty declarations regarding prohibited material.

    In nations where software program piracy is much less popular, this approach is not as effective for the cyber fraudulences. Additionally, the Ransom:Win32/StopCrypt.MKK!MTB popup alert may falsely declare to be originating from a police establishment and will certainly report having located child pornography or various other prohibited data on the gadget.

    Ransom:Win32/StopCrypt.MKK!MTB popup alert may incorrectly declare to be acquiring from a law enforcement organization and will report having situated youngster pornography or various other prohibited information on the device. The alert will in a similar way consist of a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: CEE13C99
md5: 2caef13c8bb68ebeeab9c02f1d674ecc
name: 2CAEF13C8BB68EBEEAB9C02F1D674ECC.mlw
sha1: dbb8064cd588cdb52fc2be81627352e8d2e5cc04
sha256: 87ac304ad10b59837156111ee42a49410f41e34af40e8c27efe62bf2e5ac4eee
sha512: d5b45b71484385058cab5f01c1b16f7e63aa22a606322ac9853eebe81b3f3fcd435f47a7b0e73751b39f5b53fc334e786625f5673a02a4b740454c325096cc07
ssdeep: 3072:ahElm8HdD/rjXcgVMI6/f823bthv/PITpaZkIaeh+3j6pESIO81Yl0zl19pwoJp:ahETVDwgVMp/U2PPUquSn0zl19pDJ8
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: sajbmianozu.iya
Copyright: Copyrighz (C) 2021, fudkagat
Translation: 0x0126 0x007a

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Crypmod.trTg
Elastic malicious (high confidence)
DrWeb Trojan.Siggen15.17942
ClamAV Win.Malware.Generic-9899898-0
ALYac Trojan.Generic.30356148
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/StopCrypt.ffa293e0
K7GW Riskware ( 00584baa1 )
K7AntiVirus Riskware ( 00584baa1 )
Cyren W32/Kryptik.FLP.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HMTY
APEX Malicious
Avast Win32:CrypterX-gen [Trj]
Cynet Malicious (score: 100)
Kaspersky HEUR:Backdoor.Win32.Mokes.gen
BitDefender Trojan.Generic.30356148
MicroWorld-eScan Trojan.Generic.30356148
Ad-Aware Trojan.Generic.30356148
Sophos ML/PE-A + Troj/Krypt-DJ
Comodo Malware@#17vn7vbk6cj93
BitDefenderTheta Gen:NN.ZexaF.34170.pq0@ay6CIRmO
TrendMicro TROJ_FRS.0NA103J721
McAfee-GW-Edition BehavesLike.Win32.MultiPlug.dh
FireEye Generic.mg.2caef13c8bb68ebe
Emsisoft Trojan.Generic.30356148 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor.Tofsee.ewc
eGambit Unsafe.AI_Score_89%
Kingsoft Win32.Hack.Undef.(kcloud)
Microsoft Ransom:Win32/StopCrypt.MKK!MTB
Arcabit Trojan.Generic.D23FB13F
GData Win32.Trojan.PSE.1HTNM21
AhnLab-V3 Ransomware/Win.Stop.R444284
Acronis suspicious
McAfee RDN/Generic.dx
MAX malware (ai score=89)
VBA32 TrojanRansom.StopCrypt
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_FRS.0NA103J721
Rising Trojan.Generic@ML.91 (RDMK:U4dqpKVq7NiT3bVGhjBlkQ)
Ikarus Trojan.Win32.Ranumbot
Fortinet PossibleThreat.PALLAS.H
AVG Win32:CrypterX-gen [Trj]
Paloalto generic.ml

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