Written by Robert Bailey

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

In this short article you will certainly discover about the meaning of Ransom:Win32/StopCrypt.PA!MTB as well as its unfavorable effect on your computer. Such ransomware are a type of malware that is clarified by online fraudulences to demand paying the ransom money by a victim.

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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 situations, Ransom:Win32/StopCrypt.PA!MTB ransomware will advise its sufferers to start funds move for the function of reducing the effects of the modifications that the Trojan infection has actually introduced to the target’s device.

Ransom:Win32/StopCrypt.PA!MTB Summary

These adjustments can be as follows:

  • 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: Spanish (Nicaragua);
  • The binary likely contains encrypted or compressed data.;
  • Uses Windows utilities for basic functionality;
  • 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;
  • Creates a copy of itself;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the target’s hard disk drive — so the sufferer can no more utilize the data;
  • Preventing routine accessibility to the victim’s workstation;

Related domains:

api.2ip.ua Trojan.Ransom.Stop
securebiz.org Trojan.Ransom.Stop
tbpws.top Trojan.Ransom.Stop
dimonbk83.tumblr.com Trojan.Ransom.Stop


One of the most normal networks where Ransom:Win32/StopCrypt.PA!MTB are injected are:

  • By methods of phishing e-mails;
  • As an effect of customer ending up on a resource that hosts a harmful software program;

As quickly as the Trojan is effectively injected, it will either cipher the data on the victim’s PC or stop the tool from operating in a correct way – while also placing a ransom note that points out the demand for the targets to effect the payment for the objective of decrypting the papers or recovering the data system back to the initial condition. In a lot of instances, the ransom money note will certainly show up when the client reboots the COMPUTER after the system has currently been damaged.

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

In various corners of the globe, Ransom:Win32/StopCrypt.PA!MTB expands by jumps and also bounds. However, the ransom money notes as well as tricks of extorting the ransom amount may differ depending on certain neighborhood (regional) setups. The ransom notes and also methods of extorting the ransom amount may vary depending on certain local (local) settings.

Ransomware injection

As an example:

    Faulty informs regarding unlicensed software.

    In specific locations, the Trojans often wrongfully report having actually spotted some unlicensed applications made it possible for on the victim’s device. The sharp then demands the individual to pay the ransom.

    Faulty declarations about illegal material.

    In nations where software piracy is much less preferred, this method is not as reliable for the cyber scams. Alternatively, the Ransom:Win32/StopCrypt.PA!MTB popup alert may wrongly assert to be originating from a police institution and will report having located youngster pornography or other illegal data on the tool.

    Ransom:Win32/StopCrypt.PA!MTB popup alert may incorrectly declare to be obtaining from a regulation enforcement institution as well as will certainly report having located child pornography or other prohibited data on the tool. The alert will in a similar way contain a demand for the customer to pay the ransom money.

Technical details

File Info:

crc32: FFFE4BD4
md5: f886c9b4663164796def3ced70a60b6e
name: F886C9B4663164796DEF3CED70A60B6E.mlw
sha1: 8e03d18b3c679a14d47cb3202f84fe57c11d762d
sha256: a55150bb6fe4336aaf6ba17fa232005235c81881cf5a07763c368161f06f850b
sha512: 8504ca95ade3dce108b0e7a9e7f828a203360c58631bd2d5c50557911cfad4632e767bca0bad3ec989ef1a8f938a1a71119b017cbf319585e6870b11201f0c94
ssdeep: 12288:WbHqcPD1uiUvBhQHSb3so97f7H/qtPBlDLU5b387/f7s0IfdOt4Sv5:WbHq2D1crGi7fqZBl3UNkfx6dFS
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

InternalName: sajbmoumunu.ape
Copyright: Copyrighz (C) 2021, fudkagata
Translation: 0x0129 0x0167

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.MantichoreA.Trojan
K7AntiVirus Trojan ( 0058221e1 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.26996
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Stop
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/StopCrypt.f052f6f8
K7GW Trojan ( 0058221e1 )
Cybereason malicious.b3c679
Cyren W32/Kryptik.EWJ.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HMJY
APEX Malicious
Avast Win32:PWSX-gen [Trj]
ClamAV Win.Packed.Generic-9891538-0
Kaspersky HEUR:Trojan-Ransom.Win32.Stop.gen
BitDefender Trojan.GenericKD.37556964
NANO-Antivirus Trojan.Win32.Stop.jaxoaa
MicroWorld-eScan Trojan.GenericKD.37556964
Tencent Win32.Trojan.Stop.Eeha
Ad-Aware Trojan.GenericKD.37556964
Sophos Mal/Generic-S
Comodo Malware@#2nv57wye7ujku
BitDefenderTheta Gen:NN.ZexaF.34142.Rq1@aGJyf0O
TrendMicro TROJ_FRS.0NA103IG21
McAfee-GW-Edition BehavesLike.Win32.Emotet.jc
FireEye Generic.mg.f886c9b466316479
Emsisoft Trojan.GenericKD.37556964 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Zenpak.ikf
Avira TR/AD.InstaBot.miqlg
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:Win32/StopCrypt.PA!MTB
Gridinsoft Ransom.Win32.STOP.ko!se34275
ZoneAlarm HEUR:Trojan-Ransom.Win32.Stop.gen
GData Trojan.GenericKD.37556964
AhnLab-V3 CoinMiner/Win.Glupteba.R440662
McAfee Packed-GDV!F886C9B46631
MAX malware (ai score=87)
VBA32 TrojanPSW.Tepfer
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
Rising Trojan.Kryptik!1.D977 (CLASSIC)
Ikarus Trojan.Win32.Crypt
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/GenKryptik.FKHU!tr
AVG Win32:PWSX-gen [Trj]
Paloalto generic.ml

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