What is Ransom:Win32/Ryuk.DHA!MTB infection?

In this post you will locate about the meaning of Ransom:Win32/Ryuk.DHA!MTB as well as its unfavorable effect on your computer system. Such ransomware are a form of malware that is clarified by on the internet scams to demand paying the ransom by a target.

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Most of the situations, Ransom:Win32/Ryuk.DHA!MTB ransomware will certainly instruct its victims to start funds transfer for the purpose of neutralizing the changes that the Trojan infection has presented to the victim’s tool.

Ransom:Win32/Ryuk.DHA!MTB Summary

These alterations can be as adheres to:

  • Ciphering the records located on the victim’s hard drive — so the sufferer can no more utilize the data;
  • Preventing routine accessibility to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


One of the most common channels whereby Ransom:Win32/Ryuk.DHA!MTB Trojans are injected are:

  • By methods of phishing emails;
  • As a repercussion of user ending up on a source that organizes a destructive software program;

As quickly as the Trojan is effectively infused, it will either cipher the information on the sufferer’s computer or prevent the gadget from functioning in a proper fashion – while additionally positioning a ransom money note that points out the need for the victims to impact the repayment for the function of decrypting the files or recovering the documents system back to the initial condition. In the majority of circumstances, the ransom note will certainly turn up when the client reboots the PC after the system has actually already been damaged.

Ransom:Win32/Ryuk.DHA!MTB distribution channels.

In different edges of the world, Ransom:Win32/Ryuk.DHA!MTB grows by leaps and bounds. Nevertheless, the ransom notes and tricks of obtaining the ransom quantity might vary depending on particular regional (local) settings. The ransom notes as well as techniques of extorting the ransom money amount might differ depending on particular neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty signals about unlicensed software application.

    In certain locations, the Trojans typically wrongfully report having actually detected some unlicensed applications allowed on the target’s tool. The alert then demands the customer to pay the ransom money.

    Faulty statements about illegal web content.

    In nations where software application piracy is much less preferred, this approach is not as reliable for the cyber frauds. Additionally, the Ransom:Win32/Ryuk.DHA!MTB popup alert may incorrectly claim to be stemming from a law enforcement establishment as well as will certainly report having situated youngster pornography or various other unlawful data on the tool.

    Ransom:Win32/Ryuk.DHA!MTB popup alert might wrongly assert to be acquiring from a law enforcement organization and also will report having located child pornography or other unlawful information on the device. The alert will in a similar way include a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 41CAFA1B
md5: 253ca028e0e6c66a5933af768ff0516a
name: 253CA028E0E6C66A5933AF768FF0516A.mlw
sha1: c8122f753fdaee7139f3fad1ed3c564fb52fd210
sha256: 4b058c6cdfa223c3178bc56e3db00a5b6db92c405fdc8ccb9008b83aa5309cd1
sha512: 0b92be9dd25d83c1a324b0cc0e54800333c7f71635be15ba777985c40a17fadace1fdeb1c49eec457c946c46753a87a27f6a8a1ae4113bee644a3e7b9d0908e0
ssdeep: 1536:zr27hIUWBG89kbCXgZW00Tm4dWaWjsYv8A1mGwg/ivQD8sWiR7cdw1NKIBhTwOB:YhnWBCCww00T6aWjDkW/cwRqwC0wlS
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/Ryuk.DHA!MTB also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055f7f21 )
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop16.37201
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Ryuk
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Ryuk.ali1020007
K7GW Trojan ( 0055f7f21 )
Cybereason malicious.8e0e6c
Cyren W32/Ransom.MS.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.Ryuk.G
APEX Malicious
Avast Win32:RansomX-gen [Ransom]
ClamAV Win.Ransomware.Ryuk-7618216-0
Kaspersky HEUR:Trojan-Ransom.Win32.Gen.gen
BitDefender Gen:Variant.Mikey.108550
MicroWorld-eScan Gen:Variant.Mikey.108550
Tencent Win32.Trojan.Raas.Auto
Ad-Aware Gen:Variant.Mikey.108550
Sophos ML/PE-A + Troj/Ryuk-AF
BitDefenderTheta Gen:NN.ZexaF.34670.hqW@au5Tgjh
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.Win32.RYUK.SMU
FireEye Generic.mg.253ca028e0e6c66a
Emsisoft Gen:Variant.Mikey.108550 (B)
SentinelOne Static AI – Suspicious PE
Webroot W32.Ransom.Ryuk
Avira HEUR/AGEN.1141175
eGambit Unsafe.AI_Score_81%
Microsoft Ransom:Win32/Ryuk.DHA!MTB
AegisLab Trojan.Win32.Gen.j!c
GData Gen:Variant.Mikey.108550
AhnLab-V3 Trojan/Win.FileCoder.R414089
McAfee GenericRXJM-XC!253CA028E0E6
MAX malware (ai score=83)
VBA32 BScope.Trojan.DelShad
Malwarebytes Ransom.Ryuk
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.Win32.RYUK.SMU
Rising Trojan.Filecoder!1.C3BF (CLOUD)
Ikarus Trojan-Ransom.Ryuk
Fortinet W32/Bayrob.PEF!tr.ransom
AVG Win32:RansomX-gen [Ransom]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Ryuk.HwoCSK8A

How to remove Ransom:Win32/Ryuk.DHA!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:Win32/Ryuk.DHA!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/Ryuk.DHA!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: https://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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