Written by Robert Bailey

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

In this short article you will certainly find regarding the meaning of Ransom:Win32/StopCrypt.PF!MTB and its unfavorable effect on your computer. Such ransomware are a type of malware that is specified by on-line scams to demand paying the ransom by a target.

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.PF!MTB virus will advise its victims to start funds move for the purpose of counteracting the modifications that the Trojan infection has introduced to the target’s gadget.

Ransom:Win32/StopCrypt.PF!MTB Summary

These adjustments can be as follows:

  • Executable code extraction;
  • Compression (or decompression);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • The binary likely contains encrypted or compressed data.;
  • Creates a hidden or system file;
  • Anomalous binary characteristics;
  • Ciphering the papers located on the target’s hard drive — so the target can no longer utilize the information;
  • Preventing routine accessibility to the sufferer’s workstation;


The most common networks where Ransom:Win32/StopCrypt.PF!MTB Ransomware are infused are:

  • By means of phishing e-mails;
  • As an effect of customer ending up on a resource that organizes a destructive software program;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s PC or avoid the tool from working in a correct way – while likewise placing a ransom money note that states the need for the sufferers to effect the payment for the purpose of decrypting the files or bring back the file system back to the initial problem. In the majority of circumstances, the ransom money note will certainly turn up when the customer restarts the PC after the system has already been harmed.

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

In numerous corners of the globe, Ransom:Win32/StopCrypt.PF!MTB expands by leaps as well as bounds. Nonetheless, the ransom money notes as well as techniques of obtaining the ransom money quantity might differ depending upon particular local (local) settings. The ransom notes as well as techniques of obtaining the ransom money quantity might vary depending on particular local (regional) setups.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software application.

    In particular areas, the Trojans typically wrongfully report having spotted some unlicensed applications allowed on the victim’s device. The sharp then requires the individual to pay the ransom.

    Faulty declarations about unlawful content.

    In nations where software piracy is less popular, this approach is not as reliable for the cyber fraudulences. Additionally, the Ransom:Win32/StopCrypt.PF!MTB popup alert might falsely claim to be deriving from a law enforcement establishment and will certainly report having situated child porn or other unlawful information on the tool.

    Ransom:Win32/StopCrypt.PF!MTB popup alert might incorrectly assert to be deriving from a legislation enforcement organization and also will report having located youngster pornography or other illegal data on the device. The alert will likewise include a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 6024231C
md5: 7737ecc7491cb00a9de6999f37ed8386
name: 7737ECC7491CB00A9DE6999F37ED8386.mlw
sha1: ce10f09bf7cf10030948b02c621f06d12a63d987
sha256: 0c5b8c31787290fe3772265b2037612e0c7c5610ac480e475ab187300d3a3153
sha512: 1bbd677a2d94e03db51659f032f85b85f979375d72991aba219073b789fd7742b6080edc61ff2a067a94ba485bedefe0223642e69ad21bfa258f710af71998c1
ssdeep: 24576:rhxjcpMRNv57ENuzPFUob5/qFKGtd8HjW0YBXoX+j:rNR77EoX5/qwGjk+Y+j
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0120 0x051c

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

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Riskware ( 0040eff71 )
Lionic Trojan.Win32.Injuke.4!c
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader42.62977
Cynet Malicious (score: 100)
ALYac Trojan.Generic.30319274
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/StopCrypt.0b6a965e
K7GW Riskware ( 0040eff71 )
Cybereason malicious.bf7cf1
Cyren W32/Agent.DLJ.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HMSJ
APEX Malicious
Avast Win32:DropperX-gen [Drp]
ClamAV Win.Malware.Generic-9899488-0
Kaspersky HEUR:Trojan.Win32.Injuke.pef
BitDefender Trojan.Generic.30319274
MicroWorld-eScan Trojan.Generic.30319274
Ad-Aware Trojan.Generic.30319274
Sophos Mal/Generic-R + Troj/Krypt-DI
BitDefenderTheta Gen:NN.ZexaF.34170.hzW@a47dyAvi
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
FireEye Generic.mg.7737ecc7491cb00a
Emsisoft Trojan.Generic.30319274 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Crypt.ZPACK.Gen2
eGambit Unsafe.AI_Score_100%
Microsoft Ransom:Win32/StopCrypt.PF!MTB
GData Trojan.Generic.30319274
AhnLab-V3 Downloader/Win.BeamWinHTTP.R443796
Acronis suspicious
McAfee Packed-GDT!7737ECC7491C
MAX malware (ai score=85)
VBA32 Trojan.Convagent
Malwarebytes Trojan.MalPack.GS
Panda Trj/GdSda.A
TrendMicro-HouseCall TROJ_GEN.R002C0DJ621
Rising Trojan.Generic@ML.94 (RDMK:Tk4jhMY6MDyk0YhCF6n0tA)
Ikarus Trojan.Win32.Crypt
Fortinet W32/GenKryptik.FLOX!tr
AVG Win32:DropperX-gen [Drp]
Paloalto generic.ml

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