Trojan:Win32/Ryuk!MSR

What is Trojan:Win32/Ryuk!MSR infection?

In this post you will discover regarding the interpretation of Trojan:Win32/Ryuk!MSR as well as its unfavorable impact on your computer. Such ransomware are a type of malware that is clarified by on the internet scams to require paying the ransom by a victim.

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Most of the situations, Trojan:Win32/Ryuk!MSR ransomware will instruct its sufferers to initiate funds move for the objective of counteracting the changes that the Trojan infection has actually introduced to the victim’s device.

Trojan:Win32/Ryuk!MSR Summary

These alterations can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • 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;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Uses Windows utilities for basic functionality;
  • Attempts to stop active services;
  • Exhibits possible ransomware file modification behavior;
  • Creates a copy of itself;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the sufferer’s hard disk — so the sufferer can no longer use the information;
  • 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.

Trojan:Win32/Ryuk!MSR

The most regular channels whereby Trojan:Win32/Ryuk!MSR Ransomware Trojans are infused are:

  • By methods of phishing emails;
  • As a repercussion of user ending up on a resource that hosts a harmful software;

As soon as the Trojan is effectively infused, it will certainly either cipher the information on the target’s computer or prevent the tool from operating in a correct manner – while likewise positioning a ransom money note that discusses the need for the victims to effect the repayment for the function of decrypting the documents or restoring the file system back to the first condition. In a lot of instances, the ransom money note will certainly turn up when the customer restarts the PC after the system has already been damaged.

Trojan:Win32/Ryuk!MSR distribution channels.

In various edges of the world, Trojan:Win32/Ryuk!MSR expands by jumps and also bounds. Nonetheless, the ransom notes and methods of extorting the ransom money quantity might differ depending upon specific neighborhood (regional) settings. The ransom money notes as well as techniques of obtaining the ransom money amount might differ depending on certain regional (local) settings.

Ransomware injection

For example:

    Faulty notifies about unlicensed software.

    In specific areas, the Trojans typically wrongfully report having actually discovered some unlicensed applications made it possible for on the victim’s tool. The sharp then requires the customer to pay the ransom money.

    Faulty declarations concerning prohibited web content.

    In nations where software piracy is much less popular, this technique is not as efficient for the cyber fraudulences. Alternatively, the Trojan:Win32/Ryuk!MSR popup alert may incorrectly claim to be originating from a law enforcement establishment and also will certainly report having situated child pornography or other illegal information on the tool.

    Trojan:Win32/Ryuk!MSR popup alert may incorrectly declare to be deriving from a regulation enforcement organization as well as will report having situated kid porn or various other unlawful data on the gadget. The alert will likewise contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: 607E4DB8
md5: 2e0fd99cd122a87d5a7802caf8fb6529
name: 2E0FD99CD122A87D5A7802CAF8FB6529.mlw
sha1: 55c28a86b57c4b5e4513bbc8835b81cf33653010
sha256: dd27851da3138b3fedb851abd825c4f16baad099603869e40166102df9cb24e4
sha512: b69ba8372aa0466e62034bfb8d06a14de825106fe6993ff9e5df466884392ba1ea860ae4f23942232ac3b8678a2ddeca047c3c4abd9f971e4732da573c1edc91
ssdeep: 12288:DovZYElN/O0EzL6A9oNHvbyVfbWWbyHjaSabybbybvkbleb:UZrZOdzLJoNHvbyVfbWWbyHjaSabybb
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright xa9 Slacker, Inc. 2006-2010.
InternalName: portableservice
FileVersion: 2.1.2370.0000
CompanyName: Slacker
ProductName: Slacker Software Player
OLESelfRegister: D
ProductVersion: 2.1.2370.0000
FileDescription: Slacker Portable Service
OriginalFilename: slacker.portable.service.exe
Translation: 0x0409 0x04b0

Trojan:Win32/Ryuk!MSR also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Riskware ( 0040eff71 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10700
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Ryuk
Cylance Unsafe
Zillya Trojan.Cryptor.Win32.447
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/Cryptor.0b2ff01c
K7GW Riskware ( 0040eff71 )
Cybereason malicious.cd122a
Cyren W32/Cryptor.OHTQ-3839
ESET-NOD32 Win32/Filecoder.Ryuk.D
Zoner Trojan.Win32.88580
APEX Malicious
Avast Other:Malware-gen [Trj]
ClamAV Win.Packed.Razy-9840370-0
Kaspersky Trojan-Ransom.Win32.Cryptor.cxv
BitDefender Trojan.AgentWDCR.ZTK
NANO-Antivirus Trojan.Win32.Encoder.glqxww
MicroWorld-eScan Trojan.AgentWDCR.ZTK
Tencent Win32.Trojan.Cryptor.Hrfr
Ad-Aware Trojan.AgentWDCR.ZTK
Sophos Mal/SwiftG-E
Comodo Malware@#1l63pk7vgkcw5
BitDefenderTheta Gen:NN.ZexaF.34628.Dq0@auZBSfei
VIPRE Win32.Malware!Drop
TrendMicro Ransom.Win32.CRYSIS.TIBGGF
McAfee-GW-Edition BehavesLike.Win32.Ransomware.gm
FireEye Generic.mg.2e0fd99cd122a87d
Emsisoft Trojan.AgentWDCR.ZTK (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Cryptor.od
Webroot W32.Ransom.Ryuk
Avira TR/Strictor.fsmes
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Ryuk!MSR
AegisLab Hacktool.Win32.Krap.lKMc
GData Win32.Trojan.Agent.G7EOED
AhnLab-V3 Trojan/Win32.FileCoder.C3917821
Acronis suspicious
McAfee Ransom-Ryuk.b
MAX malware (ai score=100)
VBA32 BScope.Trojan.Tiggre
Malwarebytes Malware.AI.2341286153
Panda Trj/WLT.F
TrendMicro-HouseCall Ransom.Win32.CRYSIS.TIBGGF
Rising Downloader.Cridex!8.F70 (KTSE)
Ikarus Trojan-Ransom.Ryuk
MaxSecure Trojan.Malware.74709312.susgen
Fortinet W32/Filecoder_Ryuk.D!tr.ransom
AVG Other:Malware-gen [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.Cryptor.HxQBGVsA

How to remove Trojan:Win32/Ryuk!MSR 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 Trojan:Win32/Ryuk!MSR 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 Trojan:Win32/Ryuk!MSR 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/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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