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

What is MSIL/Riskware.KnownBe4.E infection?

In this post you will discover regarding the interpretation of MSIL/Riskware.KnownBe4.E and also its adverse impact on your computer system. Such ransomware are a kind of malware that is elaborated by on the internet scams to require paying the ransom by a target.

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Most of the instances, MSIL/Riskware.KnownBe4.E infection will advise its victims to initiate funds move for the purpose of reducing the effects of the changes that the Trojan infection has actually presented to the sufferer’s device.

MSIL/Riskware.KnownBe4.E Summary

These adjustments can be as follows:

  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the victim’s disk drive — so the sufferer can no more use the data;
  • Preventing normal 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 regular channels whereby MSIL/Riskware.KnownBe4.E are injected are:

  • By ways of phishing emails;
  • As a consequence of user ending up on a resource that organizes a malicious software application;

As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the victim’s computer or protect against the tool from functioning in an appropriate fashion – while also putting a ransom money note that mentions the demand for the targets to impact the repayment for the purpose of decrypting the files or recovering the file system back to the first problem. In a lot of instances, the ransom money note will show up when the customer restarts the COMPUTER after the system has actually already been damaged.

MSIL/Riskware.KnownBe4.E circulation channels.

In various corners of the world, MSIL/Riskware.KnownBe4.E grows by leaps as well as bounds. Nevertheless, the ransom notes as well as techniques of obtaining the ransom money quantity may differ depending upon particular neighborhood (local) settings. The ransom notes as well as methods of obtaining the ransom money quantity might differ depending on certain local (regional) settings.

Ransomware injection

For instance:

    Faulty notifies concerning unlicensed software application.

    In certain locations, the Trojans often wrongfully report having actually found some unlicensed applications enabled on the victim’s device. The alert then demands the individual to pay the ransom money.

    Faulty declarations regarding prohibited material.

    In nations where software piracy is much less prominent, this method is not as reliable for the cyber scams. Additionally, the MSIL/Riskware.KnownBe4.E popup alert may incorrectly declare to be stemming from a law enforcement establishment and will report having situated child porn or other prohibited information on the gadget.

    MSIL/Riskware.KnownBe4.E popup alert might falsely assert to be obtaining from a regulation enforcement institution and also will report having situated kid pornography or other illegal information on the device. The alert will in a similar way include a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: B0F7C20F
md5: 73764253a0939774281a7202008f6695
name: 73764253A0939774281A7202008F6695.mlw
sha1: 14acbb398b6f3e56e7569ad9a96f8d8c1f48f21c
sha256: 4fad07177bac557323d7f9f3c625de6a85a6c3a121e4e89f4d0ad07a71ab2eea
sha512: 8596a0d6ab9b886b4817084643282a411c4f40931d00ec47302c1fb6b3cecaa112578af8972092b8f41b1886229a0bd70d7303fc5989b661ba2882cc2eae69ff
ssdeep: 96:OIqqvrFvE0mcOFWjYYIGktNEFfUWx+9zNt:R7dEXzFKYYgNYi3
type: PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

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

MSIL/Riskware.KnownBe4.E also known as:

Elasticmalicious (high confidence)
CynetMalicious (score: 99)
ESET-NOD32a variant of MSIL/Riskware.KnownBe4.E.gen
EmsisoftGen:Variant.Bulz.232185 (B)
MAXmalware (ai score=89)

How to remove MSIL/Riskware.KnownBe4.E 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 MSIL/Riskware.KnownBe4.E 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 MSIL/Riskware.KnownBe4.E you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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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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