Written by Robert Bailey

What is Ransom:MSIL/FireCrypt.MK!MTB infection?

In this post you will certainly find concerning the meaning of Ransom:MSIL/FireCrypt.MK!MTB and its adverse effect on your computer system. Such ransomware are a kind of malware that is specified by online frauds to require 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.
GridinSoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | GridinSoft

In the majority of the situations, Ransom:MSIL/FireCrypt.MK!MTB ransomware will certainly advise its sufferers to initiate funds transfer for the objective of reducing the effects of the amendments that the Trojan infection has introduced to the victim’s tool.

Ransom:MSIL/FireCrypt.MK!MTB Summary

These adjustments can be as adheres to:

  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the records located on the victim’s hard drive — so the victim can no longer utilize the data;
  • Preventing normal accessibility to the target’s workstation;


One of the most common channels whereby Ransom:MSIL/FireCrypt.MK!MTB Ransomware are infused are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a resource that organizes a malicious software program;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s PC or avoid the device from operating in a correct fashion – while additionally positioning a ransom note that mentions the demand for the targets to impact the payment for the purpose of decrypting the documents or restoring the data system back to the initial problem. In a lot of instances, the ransom note will turn up when the client reboots the PC after the system has actually currently been harmed.

Ransom:MSIL/FireCrypt.MK!MTB circulation networks.

In various edges of the world, Ransom:MSIL/FireCrypt.MK!MTB expands by leaps and also bounds. Nonetheless, the ransom notes and methods of obtaining the ransom money quantity might vary depending upon specific local (regional) settings. The ransom money notes as well as tricks of extorting the ransom amount might differ depending on specific local (local) settings.

Ransomware injection

As an example:

    Faulty alerts regarding unlicensed software program.

    In specific areas, the Trojans frequently wrongfully report having actually discovered some unlicensed applications allowed on the sufferer’s device. The sharp then requires the user to pay the ransom money.

    Faulty statements regarding unlawful content.

    In nations where software piracy is less prominent, this technique is not as reliable for the cyber fraudulences. Conversely, the Ransom:MSIL/FireCrypt.MK!MTB popup alert might wrongly declare to be originating from a police institution and also will certainly report having located youngster pornography or various other illegal information on the tool.

    Ransom:MSIL/FireCrypt.MK!MTB popup alert might falsely claim to be obtaining from a legislation enforcement establishment as well as will report having situated child porn or other illegal information on the tool. The alert will in a similar way contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: 2D338BD7
md5: 7098958688fefa60400bc3cbdcb00908
name: 7098958688FEFA60400BC3CBDCB00908.mlw
sha1: 3762b7f639550a4fef0752f4b6b87ea74f98ddb2
sha256: 890970d48e9a0c326a781d188b6c123f8448ec866a0e1f1e0017e6744353f1b0
sha512: c7423592db80bf274c9b6bec192997bd5cf870334b0444001ade091a906be44dac6f0fb108a0c9fb62d96d73cf87933111706e5f7c9ce59083a4bb931ac27a81
ssdeep: 384:Od7gYEWzLSmeSqjkCg3Sx1b/2kYLTwbZxssim+DHi:XMz9e9jkCw8jnFxMDHi
type: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
Assembly Version:
InternalName: ok.exe
OriginalFilename: ok.exe

Ransom:MSIL/FireCrypt.MK!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10090
CAT-QuickHeal Ransom.FireCrypt.A3
ALYac DeepScan:Generic.Ransom.C9F04B8E
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_80% (D)
Cyren W32/Azorult.D.gen!Eldorado
Symantec Ransom.FireCrypt
ESET-NOD32 a variant of MSIL/Filecoder.DZ
APEX Malicious
Avast MSIL:Ransom-AG [Trj]
Cynet Malicious (score: 99)
Kaspersky HEUR:Trojan.MSIL.DustySky.gen
BitDefender DeepScan:Generic.Ransom.C9F04B8E
MicroWorld-eScan DeepScan:Generic.Ransom.C9F04B8E
Ad-Aware DeepScan:Generic.Ransom.C9F04B8E
Sophos ML/PE-A + Troj/Ransom-ECK
F-Secure Heuristic.HEUR/AGEN.1100481
BitDefenderTheta Gen:NN.ZemsilF.34142.bm0@a8Plpgo
TrendMicro Ransom_BLEEDGREEN.SMI0
McAfee-GW-Edition FireCrypt-FBR!7098958688FE
FireEye Generic.mg.7098958688fefa60
Emsisoft DeepScan:Generic.Ransom.C9F04B8E (B)
SentinelOne Static AI – Malicious PE
Avira HEUR/AGEN.1100481
Microsoft Ransom:MSIL/FireCrypt.MK!MTB
Arcabit DeepScan:Generic.Ransom.C9F04B8E
ZoneAlarm HEUR:Trojan.MSIL.DustySky.gen
GData DeepScan:Generic.Ransom.C9F04B8E
AhnLab-V3 Trojan/Win.Generic.C4548208
McAfee FireCrypt-FBR!7098958688FE
MAX malware (ai score=83)
Malwarebytes Backdoor.Agent.PGen
TrendMicro-HouseCall Ransom_BLEEDGREEN.SMI0
Rising Ransom.FileCrypt/MSIL!1.D7EF (CLASSIC)
Ikarus Trojan-Spy.Keylogger
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Generic.AP.550DC!tr
AVG MSIL:Ransom-AG [Trj]

How to remove Ransom:MSIL/FireCrypt.MK!MTB ransomware?

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:MSIL/FireCrypt.MK!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:MSIL/FireCrypt.MK!MTB you can always ask me in the comments for getting help.

User Review
0 (0 votes)
Comments Rating 0 (0 reviews)


  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.

Leave a Reply


This site uses Akismet to reduce spam. Learn how your comment data is processed.