Written by Robert Bailey

What is MSIL/LockScreen.AJF infection?

In this article you will locate regarding the meaning of MSIL/LockScreen.AJF and its negative impact on your computer. Such ransomware are a form of malware that is elaborated by on the internet fraudulences to require paying the ransom money by a sufferer.

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Most of the situations, MSIL/LockScreen.AJF virus will advise its sufferers to start funds move for the function of neutralizing the modifications that the Trojan infection has presented to the target’s device.

MSIL/LockScreen.AJF Summary

These alterations can be as follows:

  • Executable code extraction;
  • Creates RWX memory;
  • Attempts to modify desktop wallpaper;
  • Writes a potential ransom message to disk;
  • Network activity detected but not expressed in API logs;
  • Ciphering the files situated on the victim’s hard drive — so the target can no longer use the information;
  • Preventing normal accessibility to the sufferer’s workstation;


One of the most typical channels whereby MSIL/LockScreen.AJF Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of user ending up on a resource that holds a malicious software;

As soon as the Trojan is effectively injected, it will either cipher the data on the target’s computer or protect against the tool from functioning in a proper fashion – while additionally positioning a ransom money note that states the need for the sufferers to impact the payment for the function of decrypting the papers or restoring the documents system back to the preliminary problem. In many instances, the ransom money note will come up when the customer reboots the PC after the system has currently been harmed.

MSIL/LockScreen.AJF distribution channels.

In different corners of the globe, MSIL/LockScreen.AJF grows by jumps and also bounds. Nevertheless, the ransom notes and methods of obtaining the ransom quantity may differ depending on certain local (regional) setups. The ransom notes and tricks of extorting the ransom money amount may differ depending on particular regional (local) settings.

Ransomware injection

For example:

    Faulty signals about unlicensed software application.

    In particular areas, the Trojans often wrongfully report having actually spotted some unlicensed applications enabled on the victim’s device. The sharp then demands the customer to pay the ransom money.

    Faulty declarations concerning prohibited material.

    In nations where software application piracy is much less prominent, this method is not as efficient for the cyber scams. Conversely, the MSIL/LockScreen.AJF popup alert may falsely assert to be originating from a police establishment and also will report having situated child pornography or various other prohibited data on the tool.

    MSIL/LockScreen.AJF popup alert might incorrectly declare to be deriving from a regulation enforcement organization and will report having located kid pornography or other prohibited information on the gadget. The alert will likewise have a demand for the customer to pay the ransom.

Technical details

File Info:

crc32: 95EA950A
md5: 4d11224840abb4b068915876372401c4
name: 4D11224840ABB4B068915876372401C4.mlw
sha1: 54d767a57358b2e3394357b6de9c1d9d30c2a530
sha256: f9ba4a6f96c6ac7259bee23b38292238581dbc2d834dea9ceb185e1da02d0fcd
sha512: 7e273a5e5e37ca796e7b60d5e8c3f22e734157d9ca36ac88287c113f375299862ee79fac07d336c72c0f77230adf949feead323f30a4d9e7cec6c9e24a4a79ec
ssdeep: 384:Kz0LmZ7N75okv5928hCLKrV5/NUeo98kloFkHQWoD1IvyvL2GE7g0P:KzCyN5ocVoYw98ooC3oD1dviGE7g0P
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

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

MSIL/LockScreen.AJF also known as:

GridinSoft Trojan.Ransom.Gen
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Generic.Ransom.Hiddentear.A.F63AB260
Cylance Unsafe
Zillya Trojan.DelShad.Win32.925
Cybereason malicious.840abb
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/LockScreen.AJF
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky HEUR:Trojan.MSIL.DelShad.gen
BitDefender Generic.Ransom.Hiddentear.A.F63AB260
MicroWorld-eScan Generic.Ransom.Hiddentear.A.F63AB260
Ad-Aware Generic.Ransom.Hiddentear.A.F63AB260
BitDefenderTheta Gen:NN.ZemsilF.34790.cm0@aq1677n
McAfee-GW-Edition BehavesLike.Win32.Trojan.pz
Emsisoft Generic.Ransom.Hiddentear.A.F63AB260 (B)
SentinelOne Static AI – Malicious PE
eGambit Unsafe.AI_Score_85%
Antiy-AVL Trojan/Generic.ASMalwS.3106BEB
Microsoft Ransom:MSIL/SamCrypter.PA!MTB
GData Generic.Ransom.Hiddentear.A.F63AB260
AhnLab-V3 Malware/Win32.RL_Generic.C4261253
McAfee GenericRXNG-SY!4D11224840AB
MAX malware (ai score=82)
VBA32 TScope.Trojan.MSIL
Malwarebytes Ransom.HiddenTear
Panda Trj/GdSda.A
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/Filecoder.FFA5!tr.ransom
AVG Win32:Trojan-gen
Qihoo-360 HEUR/QVM03.0.8507.Malware.Gen

How to remove MSIL/LockScreen.AJF 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/LockScreen.AJF 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/LockScreen.AJF 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

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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