Ransom:Win32/StopCrypt.MCK!MTB

Written by Robert Bailey

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

In this post you will certainly locate concerning the meaning of Ransom:Win32/StopCrypt.MCK!MTB and its unfavorable impact on your computer system. Such ransomware are a form of malware that is specified by on the internet fraudulences to demand paying the ransom money by a sufferer.

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Most of the instances, Ransom:Win32/StopCrypt.MCK!MTB ransomware will advise its victims to initiate funds move for the objective of reducing the effects of the modifications that the Trojan infection has introduced to the victim’s device.

Ransom:Win32/StopCrypt.MCK!MTB Summary

These adjustments can be as follows:

  • Executable code extraction;
  • Injection (inter-process);
  • Injection (Process Hollowing);
  • 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;
  • Drops a binary and executes it;
  • Performs some HTTP requests;
  • Unconventionial language used in binary resources: Spanish (Nicaragua);
  • 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 papers situated on the sufferer’s disk drive — so the victim can no more make use of the information;
  • Preventing regular accessibility to the target’s workstation;

Related domains:

api.2ip.ua HEUR:Trojan-Ransom.Win32.Stop.gen
securebiz.org HEUR:Trojan-Ransom.Win32.Stop.gen
tbpws.top HEUR:Trojan-Ransom.Win32.Stop.gen
dimonbk83.tumblr.com HEUR:Trojan-Ransom.Win32.Stop.gen

Ransom:Win32/StopCrypt.MCK!MTB

The most normal channels through which Ransom:Win32/StopCrypt.MCK!MTB are injected are:

  • By ways of phishing e-mails;
  • As an effect of individual winding up on a source that organizes a destructive software application;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the target’s PC or stop the tool from operating in an appropriate manner – while additionally putting a ransom note that mentions the need for the sufferers to effect the repayment for the function of decrypting the documents or recovering the data system back to the first condition. In many instances, the ransom money note will certainly come up when the customer restarts the COMPUTER after the system has actually currently been damaged.

Ransom:Win32/StopCrypt.MCK!MTB distribution networks.

In various corners of the globe, Ransom:Win32/StopCrypt.MCK!MTB grows by leaps as well as bounds. However, the ransom notes and also techniques of obtaining the ransom quantity might vary depending upon certain local (regional) setups. The ransom money notes and also methods of obtaining the ransom quantity may differ depending on particular neighborhood (local) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software application.

    In specific areas, the Trojans usually wrongfully report having actually detected some unlicensed applications made it possible for on the target’s gadget. The alert after that requires the individual to pay the ransom.

    Faulty statements regarding prohibited content.

    In countries where software application piracy is much less popular, this approach is not as reliable for the cyber frauds. Additionally, the Ransom:Win32/StopCrypt.MCK!MTB popup alert might wrongly assert to be deriving from a law enforcement establishment and will certainly report having located child porn or other prohibited data on the tool.

    Ransom:Win32/StopCrypt.MCK!MTB popup alert might falsely claim to be obtaining from a law enforcement institution and will report having located kid pornography or other unlawful data on the gadget. The alert will in a similar way include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: FC2C0688
md5: b3ad9fabdff51407633e343daccefdcc
name: B3AD9FABDFF51407633E343DACCEFDCC.mlw
sha1: 92facc8e117f8aaf59471befbea151b132c2a942
sha256: ade30f792b463762fe44fb34def5ab38f4c06d3300d6ca9725fe609b31c3a4ad
sha512: f75940459c273533064851228bd0d93ca2a3a9ef329eb89c61217085c3d8149bd444cccfc5e3c5717f079150ed5cbc82fae266cdbbd02b0c7196d710a2dedce7
ssdeep: 12288:xfSvBwkoSxf4RRlUTrg2BECMlsTg+gqKMj3+wX/7RgTxloFtQh/MGO1YzZqED:xfSpBpxfKzUTrg2BECQspX/7aLI+Md1
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: sojbmoumunu.ahe
ProductVersion: 8.19.590.38
Copyright: Copyrighz (C) 2021, fudkagata
Translation: 0x0129 0x0167

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 005822a21 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Fragtor.18582
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
K7GW Trojan ( 005822a21 )
Cyren W32/Kryptik.EWJ.gen!Eldorado
Symantec Packed.Generic.525
ESET-NOD32 a variant of Win32/Kryptik.HMKN
APEX Malicious
Avast Win32:Trojan-gen
ClamAV Win.Packed.Generic-9891933-0
Kaspersky HEUR:Trojan-Ransom.Win32.Stop.gen
BitDefender Gen:Variant.Fragtor.18582
MicroWorld-eScan Gen:Variant.Fragtor.18582
Ad-Aware Gen:Variant.Fragtor.18582
Sophos ML/PE-A
BitDefenderTheta Gen:NN.ZexaF.34142.Tq0@aeQEGAN
McAfee-GW-Edition BehavesLike.Win32.Generic.bc
FireEye Generic.mg.b3ad9fabdff51407
Emsisoft Trojan.Agent (A)
SentinelOne Static AI – Malicious PE
Jiangmin Backdoor.Androm.bbnt
Microsoft Ransom:Win32/StopCrypt.MCK!MTB
Gridinsoft Trojan.Win32.Packed.lu!heur
Arcabit Trojan.Fragtor.D4896
GData Gen:Variant.Fragtor.18582
AhnLab-V3 CoinMiner/Win.Glupteba.R440970
McAfee GenericRXPZ-FX!B3AD9FABDFF5
MAX malware (ai score=87)
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
Rising Trojan.Kryptik!1.D977 (CLASSIC)
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/GenKryptik.FKHU!tr
AVG Win32:Trojan-gen

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