What is Ransom:MSIL/Genasom.MJ!MSR infection?

In this article you will certainly find regarding the interpretation of Ransom:MSIL/Genasom.MJ!MSR and also its adverse effect on your computer. Such ransomware are a form of malware that is specified by on-line frauds to demand paying the ransom by a victim.

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In the majority of the situations, Ransom:MSIL/Genasom.MJ!MSR virus will certainly advise its sufferers to initiate funds transfer for the function of counteracting the amendments that the Trojan infection has introduced to the target’s tool.

Ransom:MSIL/Genasom.MJ!MSR Summary

These adjustments 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.
  • Starts servers listening on;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Creates a copy of itself;
  • Ciphering the files located on the victim’s hard disk drive — so the target can no more use the data;
  • Preventing routine access to the target’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 regular channels through which Ransom:MSIL/Genasom.MJ!MSR are infused are:

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

As soon as the Trojan is effectively infused, it will either cipher the data on the sufferer’s PC or avoid the device from operating in an appropriate manner – while additionally placing a ransom money note that mentions the requirement for the sufferers to impact the payment for the objective of decrypting the papers or restoring the documents system back to the initial problem. In many circumstances, the ransom money note will certainly show up when the client reboots the COMPUTER after the system has actually already been damaged.

Ransom:MSIL/Genasom.MJ!MSR circulation channels.

In various edges of the world, Ransom:MSIL/Genasom.MJ!MSR grows by jumps as well as bounds. Nevertheless, the ransom money notes as well as tricks of extorting the ransom amount might vary relying on particular neighborhood (local) setups. The ransom money notes and also techniques of extorting the ransom amount might differ depending on specific regional (local) settings.

Ransomware injection

As an example:

    Faulty alerts about unlicensed software program.

    In specific areas, the Trojans typically wrongfully report having actually discovered some unlicensed applications allowed on the victim’s gadget. The alert then requires the customer to pay the ransom money.

    Faulty declarations regarding prohibited material.

    In nations where software program piracy is much less preferred, this approach is not as effective for the cyber scams. Additionally, the Ransom:MSIL/Genasom.MJ!MSR popup alert may incorrectly declare to be originating from a police institution and will certainly report having situated youngster porn or various other illegal data on the gadget.

    Ransom:MSIL/Genasom.MJ!MSR popup alert may falsely claim to be obtaining from a law enforcement establishment as well as will certainly report having situated child pornography or various other illegal information on the device. The alert will similarly consist of a demand for the user to pay the ransom money.

Technical details

File Info:

crc32: 1B28B1D1
md5: 9cef7d0c4aa5693c97939b6c8ccccdc3
name: 9CEF7D0C4AA5693C97939B6C8CCCCDC3.mlw
sha1: f94f2d4c520d76ad2318b0bde528ec39a619cb13
sha256: 2c5f392767feced770b37fce6b66c1863daab36a716b07f25c5bef0eeafc0b26
sha512: 1521ac18a9b22b05e8436c4c3166f7236829bf3294ff312bb023214e3e5a1adcfc7b1994a30176bb504fcb3811b3bee403f3a54634f68238ba2bb5775b1eee81
ssdeep: 3072:y1WS5mowdMkPdCBwbYyZ8xYOn1u/g7xEnVHKXhZuiklro+kgi16LA9TPTcM5MnU:PmmjCk0masUYVgM5rO99TrinU
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
Assembly Version: 1.0.7483.31068
InternalName: EncryptFile.exe
FileVersion: 1.0.7483.31068
ProductVersion: 1.0.7483.31068
OriginalFilename: EncryptFile.exe

Ransom:MSIL/Genasom.MJ!MSR also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
DrWeb Trojan.MulDrop13.2587
Cynet Malicious (score: 85)
ALYac Trojan.Ransom.Filecoder
Cylance Unsafe
Zillya Dropper.Agent.Win32.430792
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Backdoor:MSIL/Bladabindi.4870e14d
K7GW Trojan ( 004b8b661 )
K7AntiVirus Trojan ( 004b8b661 )
Cyren W32/Trojan.QMUW-7978
Symantec Trojan Horse
APEX Malicious
Avast Win32:TrojanX-gen [Trj]
ClamAV Win.Malware.Agent-9377153-0
Kaspersky HEUR:Trojan.MSIL.Fsysna.gen
BitDefender Gen:Variant.Razy.706822
NANO-Antivirus Trojan.Win32.Ursu.hmgeaa
MicroWorld-eScan Gen:Variant.Razy.706822
Tencent Msil.Trojan.Fsysna.Hykd
Ad-Aware Gen:Variant.Razy.706822
Sophos Mal/Generic-S
Comodo Malware@#2d7q5b22813cd
BitDefenderTheta Gen:NN.ZemsilCO.34628.nm0@auXL3Fj
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom.MSIL.TRYTOCRY.AA
McAfee-GW-Edition RDN/Generic BackDoor
FireEye Generic.mg.9cef7d0c4aa5693c
Emsisoft Gen:Variant.Razy.706822 (B)
Jiangmin Trojan.MSIL.pqjz
Webroot W32.Trojan.Gen
Avira TR/Drop.Agent.zfkzv
eGambit Unsafe.AI_Score_100%
Microsoft Ransom:MSIL/Genasom.MJ!MSR
AegisLab Trojan.Multi.Generic.4!c
GData Gen:Variant.Razy.706822
TACHYON Ransom/W32.DN-Try2Cry.217088.D
AhnLab-V3 Trojan/Win32.Fsysna.C4155514
McAfee RDN/Generic BackDoor
MAX malware (ai score=100)
VBA32 TScope.Trojan.MSIL
Malwarebytes Ransom.HiddenTear.MSIL
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom.MSIL.TRYTOCRY.AA
Rising Ransom.Try2Cry!1.C936 (CLOUD)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.73694066.susgen
Fortinet W32/Fsysna.AKH!tr
AVG Win32:TrojanX-gen [Trj]
Paloalto generic.ml
Qihoo-360 Win32/TrojanSpy.Fsysna.HwMAsZsA

How to remove Ransom:MSIL/Genasom.MJ!MSR 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:MSIL/Genasom.MJ!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 Ransom:MSIL/Genasom.MJ!MSR 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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