Ransom:Win32/Ryuk.DA!MTB

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

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

In this post you will certainly discover about the definition of Ransom:Win32/Ryuk.DA!MTB and its unfavorable influence on your computer. Such ransomware are a kind of malware that is specified by online scams to require paying the ransom money by a target.

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In the majority of the instances, Ransom:Win32/Ryuk.DA!MTB infection will advise its victims to initiate funds transfer for the objective of neutralizing the changes that the Trojan infection has presented to the sufferer’s device.

Ransom:Win32/Ryuk.DA!MTB Summary

These adjustments can be as follows:

  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Exhibits possible ransomware file modification behavior;
  • Ciphering the papers situated on the victim’s hard drive — so the sufferer can no longer utilize the data;
  • Preventing normal access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Ransom:Win32/Ryuk.DA!MTB

The most regular networks where Ransom:Win32/Ryuk.DA!MTB Ransomware are injected are:

  • By means of phishing e-mails;
  • As a consequence of user ending up on a resource that holds a destructive software;

As quickly as the Trojan is efficiently infused, it will certainly either cipher the information on the victim’s computer or stop the tool from operating in a correct fashion – while likewise placing a ransom money note that discusses the requirement for the targets to impact the repayment for the objective of decrypting the documents or bring back the documents system back to the first problem. In most instances, the ransom money note will turn up when the client restarts the COMPUTER after the system has actually currently been harmed.

Ransom:Win32/Ryuk.DA!MTB distribution networks.

In different corners of the world, Ransom:Win32/Ryuk.DA!MTB grows by jumps as well as bounds. Nonetheless, the ransom money notes as well as techniques of extorting the ransom amount may vary depending on particular neighborhood (regional) settings. The ransom notes and techniques of obtaining the ransom quantity might differ depending on certain local (regional) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software program.

    In certain areas, the Trojans typically wrongfully report having actually spotted some unlicensed applications allowed on the victim’s gadget. The alert after that demands the customer to pay the ransom.

    Faulty statements about illegal material.

    In countries where software piracy is less preferred, this approach is not as effective for the cyber fraudulences. Additionally, the Ransom:Win32/Ryuk.DA!MTB popup alert might falsely assert to be originating from a police establishment as well as will certainly report having situated youngster porn or other unlawful information on the tool.

    Ransom:Win32/Ryuk.DA!MTB popup alert may falsely declare to be obtaining from a regulation enforcement establishment and also will certainly report having located child porn or other prohibited data on the device. The alert will likewise include a requirement for the customer to pay the ransom.

Technical details

File Info:

crc32: A41DDBB8
md5: 7ba20fce7ac259f6062f73290c2e28cf
name: 7BA20FCE7AC259F6062F73290C2E28CF.mlw
sha1: 2200dd0c27630aaa7ff164da0fc3dd080a4a7f9c
sha256: 1a5d66450670c057bce6eff656b86dce21e729c46c86362ed50fe79c1b074f15
sha512: ba119a3727abb2955aaa88f6d5f9d3190d669b95f1f326d4fa81fd5a1e6387c765736e9637661acb4dc512d73067380a0afd5a540016777e7a88972e8cd5c717
ssdeep: 1536:D1I9OWPAjmAZJmxPS30BiGChsed5zcHAQ1sf:5kO5ZJmviGChFFQ
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

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

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
MicroWorld-eScan DeepScan:Generic.Peed.2.86508538
ALYac Trojan.Ransom.Ryuk
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Cryptor.j!c
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 0056854b1 )
BitDefender DeepScan:Generic.Peed.2.86508538
K7GW Trojan ( 0056854b1 )
Cybereason malicious.e7ac25
Arcabit DeepScan:Generic.Peed.2.86508538
Cyren W32/Trojan.IGIJ-4929
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Filecoder.Conti.D
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan-Ransom.Win32.Cryptor.vho
Alibaba Ransom:Win32/Cryptor.f9afa46f
NANO-Antivirus Trojan.Win32.Cryptor.htngyb
ViRobot Trojan.Win32.S.Conti.90112
Tencent Win32.Trojan.Cryptor.Akpe
Ad-Aware DeepScan:Generic.Peed.2.86508538
Emsisoft DeepScan:Generic.Peed.2.86508538 (B)
F-Secure Trojan.TR/FileCoder.dbwhx
DrWeb Trojan.Encoder.32558
Zillya Trojan.Cryptor.Win32.552
TrendMicro Ransom.Win32.CONTI.SMW
McAfee-GW-Edition BehavesLike.Win32.Emotet.mh
FireEye Generic.mg.7ba20fce7ac259f6
Sophos Mal/Generic-S
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Cryptor.ru
Avira TR/FileCoder.dbwhx
MAX malware (ai score=100)
Antiy-AVL Trojan[Ransom]/Win32.Cryptor
Microsoft Ransom:Win32/Ryuk.DA!MTB
ZoneAlarm HEUR:Trojan-Ransom.Win32.Cryptor.vho
GData DeepScan:Generic.Peed.2.86508538
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Filecoder.C4194000
McAfee Ransom-Conti!7BA20FCE7AC2
VBA32 BScope.Trojan.StartPage
Malwarebytes Ransom.Ryuk
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.Win32.CONTI.SMW
Rising Ransom.Filecoder!8.55A8 (TFE:4:qE2UhMjnJ6M)
Yandex Trojan.Filecoder!ZdZ84RO5jYE
Ikarus Trojan-Ransom.Conti
Fortinet W32/Cryptor.CDDC!tr.ransom
BitDefenderTheta AI:Packer.8625D1EA1F
AVG Win32:Trojan-gen
Paloalto generic.ml
CrowdStrike win/malicious_confidence_100% (W)
Qihoo-360 Win32/Ransom.Filecoder.HxQBBJsA

How to remove Ransom:Win32/Ryuk.DA!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/Ryuk.DA!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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If the guide doesn’t help you to remove Ransom:Win32/Ryuk.DA!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: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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