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

What is MSIL/LockScreen.QS infection?

In this article you will certainly find concerning the meaning of MSIL/LockScreen.QS and its negative influence on your computer. Such ransomware are a kind of malware that is elaborated by on the internet fraudulences to require paying the ransom by a target.

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In the majority of the cases, MSIL/LockScreen.QS virus will instruct its targets to start funds move for the function of neutralizing the modifications that the Trojan infection has presented to the target’s tool.

MSIL/LockScreen.QS Summary

These alterations can be as complies with:

  • Network activity detected but not expressed in API logs;
  • Ciphering the documents situated on the target’s disk drive — so the sufferer can no longer use the information;
  • Preventing regular accessibility to the victim’s workstation;


One of the most regular networks through which MSIL/LockScreen.QS Trojans are infused are:

  • By ways of phishing emails;
  • As a consequence of individual ending up on a source that hosts a destructive software;

As quickly as the Trojan is efficiently injected, it will either cipher the information on the target’s computer or prevent the gadget from working in a correct manner – while additionally positioning a ransom note that states the demand for the targets to effect the repayment for the purpose of decrypting the papers or restoring the file system back to the first problem. In many instances, the ransom note will turn up when the client restarts the PC after the system has already been harmed.

MSIL/LockScreen.QS circulation networks.

In various edges of the globe, MSIL/LockScreen.QS grows by jumps and bounds. However, the ransom money notes and also tricks of obtaining the ransom money amount may differ depending upon specific neighborhood (regional) settings. The ransom notes as well as tricks of extorting the ransom amount may vary depending on certain neighborhood (local) setups.

Ransomware injection

For example:

    Faulty alerts about unlicensed software application.

    In particular areas, the Trojans frequently wrongfully report having found some unlicensed applications made it possible for on the target’s gadget. The sharp then requires the user to pay the ransom.

    Faulty statements regarding illegal material.

    In nations where software piracy is less popular, this approach is not as efficient for the cyber scams. Conversely, the MSIL/LockScreen.QS popup alert may wrongly declare to be deriving from a law enforcement institution and will report having situated youngster porn or various other prohibited data on the tool.

    MSIL/LockScreen.QS popup alert may falsely assert to be obtaining from a regulation enforcement institution as well as will report having situated youngster porn or various other prohibited information on the gadget. The alert will similarly have a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 78A53ADA
md5: 8b1fc6f88efd53c8ffc8e5bb13f86bda
name: 8B1FC6F88EFD53C8FFC8E5BB13F86BDA.mlw
sha1: 394c7273f6ab7d1c5a1fc2eb24d2f8e0f2888128
sha256: 2f25a1591f3ee883bdf3398e1d26c2ae7ae64c164c9c8bff37127f7ce8c9cf44
sha512: d28ba9872262c50ff692e08a2462a7aa1f00b15be22f367934db5860de70a974ddfcd9b478894622986f48d0fd7aefde43c32e753c4183782915f0ce27c64709
ssdeep: 1536:mvyB/H85NHlI6HBrtf+F86tbLqLbO4ytIGG/etoczfDk:mjHBrtf+F86tbLqLGL5zo
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2016
Assembly Version:
InternalName: Ransomware final.exe
ProductName: Ransomware final
FileDescription: Ransomware final
OriginalFilename: Ransomware final.exe

MSIL/LockScreen.QS also known as:

K7AntiVirusTrojan ( 004fbfc71 )
K7GWTrojan ( 004fbfc71 )
EmsisoftGen:Variant.Johnnie.20670 (B)
MAXmalware (ai score=99)

How to remove MSIL/LockScreen.QS ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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/LockScreen.QS 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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Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove MSIL/LockScreen.QS you can always ask me in the comments for getting help.

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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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