MSIL/LockScreen.LU

What is MSIL/LockScreen.LU infection?

In this article you will find concerning the interpretation of MSIL/LockScreen.LU as well as its negative impact on your computer system. Such ransomware are a type of malware that is clarified by on the internet frauds to demand paying the ransom money by a sufferer.

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In the majority of the situations, MSIL/LockScreen.LU ransomware will advise its sufferers to launch funds transfer for the objective of neutralizing the amendments that the Trojan infection has actually introduced to the target’s gadget.

MSIL/LockScreen.LU 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.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Sniffs keystrokes;
  • Attempts to restart the guest VM;
  • 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 sufferer’s hard drive — so the victim can no more make use of the information;
  • Preventing normal accessibility 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.

MSIL/LockScreen.LU

The most regular networks where MSIL/LockScreen.LU Trojans are injected are:

  • By means of phishing e-mails;
  • As a repercussion of individual ending up on a resource that holds a malicious software application;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s PC or protect against the gadget from operating in a correct manner – while also positioning a ransom money note that points out the demand for the victims to effect the payment for the objective of decrypting the files or bring back the documents system back to the first condition. In most circumstances, the ransom note will turn up when the customer restarts the COMPUTER after the system has currently been damaged.

MSIL/LockScreen.LU circulation channels.

In different corners of the world, MSIL/LockScreen.LU grows by jumps and also bounds. Nevertheless, the ransom money notes as well as methods of extorting the ransom amount might vary relying on specific local (local) setups. The ransom notes as well as techniques of obtaining the ransom money amount may vary depending on certain local (regional) setups.

Ransomware injection

As an example:

    Faulty signals about unlicensed software application.

    In specific areas, the Trojans usually wrongfully report having detected some unlicensed applications allowed on the target’s tool. The sharp then requires the user to pay the ransom.

    Faulty declarations about unlawful web content.

    In countries where software program piracy is much less popular, this approach is not as effective for the cyber scams. Alternatively, the MSIL/LockScreen.LU popup alert might incorrectly declare to be originating from a law enforcement institution and will certainly report having located kid porn or other unlawful data on the tool.

    MSIL/LockScreen.LU popup alert may wrongly assert to be obtaining from a law enforcement institution and will report having situated kid porn or various other illegal information on the tool. The alert will likewise consist of a requirement for the customer to pay the ransom money.

Technical details

File Info:

crc32: 77E73ABA
md5: 25efb7d628fc72b6ed81749e26a187c6
name: 25EFB7D628FC72B6ED81749E26A187C6.mlw
sha1: b8c22fbabe22ea1cdc260dfcb37220f339ef786f
sha256: 955625a6bd13dd9d053aec70b93573c7412bcba7e1bd735cb6146f28cbd8e628
sha512: 09e0851bb99207f818b2737eb94a46dfa61f70840c6bf65d8d0ff64fbf2d326591b79f9f0f1af30f32fad6a7e936dd12793e71f201f2bfce9b9fca2956fc224f
ssdeep: 24576:DerudklIZjqKO4NJaYHpy8WlWh8vE9YO7rI3Qf25D7sPDuwj:irflIt3DaYMnXvE9x7bsD7ap
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2014
Assembly Version: 1.0.0.0
InternalName: MyLittlePony.exe
FileVersion: 1.0.0.0
ProductName: MyLittlePony
ProductVersion: 1.0.0.0
FileDescription: MyLittlePony
OriginalFilename: MyLittlePony.exe

MSIL/LockScreen.LU also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 700000121 )
DrWeb Trojan.MulDrop11.18100
Cynet Malicious (score: 85)
ALYac Gen:Variant.Johnnie.177175
Cylance Unsafe
Zillya Trojan.LockScreen.Win32.7009
Sangfor Ransom.Win32.LockScreen.8
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:MSIL/LockScreen.faf0ef8e
K7GW Trojan ( 700000121 )
Cybereason malicious.628fc7
Symantec Trojan.Gen.2
ESET-NOD32 a variant of MSIL/LockScreen.LU
APEX Malicious
Avast Win32:Malware-gen
Kaspersky HEUR:Trojan-Spy.MSIL.KeyLogger.gen
BitDefender Gen:Variant.Johnnie.177175
NANO-Antivirus Trojan.Win32.Kazy.demens
MicroWorld-eScan Gen:Variant.Johnnie.177175
Tencent Win32.Trojan.Kazy.Htcx
Ad-Aware Gen:Variant.Johnnie.177175
Sophos Mal/Generic-S
Comodo Malware@#1eebwz86i0mzw
BitDefenderTheta Gen:NN.ZemsilF.34628.an0@ayHnyQp
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis
FireEye Gen:Variant.Johnnie.177175
Emsisoft Gen:Variant.Johnnie.177175 (B)
SentinelOne Static AI – Suspicious PE
Avira HEUR/AGEN.1126346
eGambit Generic.Malware
Kingsoft Win32.Troj.Generic_a.a.(kcloud)
Microsoft Ransom:MSIL/LockScreen
Arcabit Trojan.Johnnie.D2B417
AegisLab Trojan.Multi.Generic.4!c
GData Gen:Variant.Johnnie.177175
AhnLab-V3 Malware/Gen.Generic.C1085821
McAfee Artemis!25EFB7D628FC
MAX malware (ai score=100)
VBA32 TScope.Trojan.MSIL
Rising Ransom.LockScreen!8.83D (CLOUD)
Yandex Trojan.LockScreen!lHheuRNGAbs
Ikarus Trojan.MSIL.LockScreen
Fortinet MSIL/LockScreen.FY!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Ransom.PornoBlocker.HgAASRAA

How to remove MSIL/LockScreen.LU 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 MSIL/LockScreen.LU 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 MSIL/LockScreen.LU 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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