Ransom:MSIL/LockScreen.E

What is Ransom:MSIL/LockScreen.E infection?

In this post you will certainly locate regarding the meaning of Ransom:MSIL/LockScreen.E and its unfavorable effect on your computer. Such ransomware are a form of malware that is elaborated by online frauds to demand paying the ransom money by a victim.

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In the majority of the cases, Ransom:MSIL/LockScreen.E infection will certainly advise its targets to launch funds move for the function of neutralizing the amendments that the Trojan infection has introduced to the target’s gadget.

Ransom:MSIL/LockScreen.E Summary

These alterations 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.
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Uses Windows utilities for basic functionality;
  • Modifies boot configuration settings;
  • 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
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents found on the target’s hard drive — so the sufferer can no longer make use of the data;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Ransom:MSIL/LockScreen.E

One of the most typical networks where Ransom:MSIL/LockScreen.E Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As a repercussion of user winding up on a source that holds a harmful software program;

As soon as the Trojan is efficiently infused, it will either cipher the data on the target’s PC or stop the device from operating in a proper fashion – while also positioning a ransom money note that states the need for the sufferers to effect the repayment for the purpose of decrypting the documents or bring back the documents system back to the preliminary problem. In many circumstances, the ransom note will come up when the client reboots the COMPUTER after the system has actually already been damaged.

Ransom:MSIL/LockScreen.E distribution networks.

In different edges of the world, Ransom:MSIL/LockScreen.E grows by leaps and bounds. Nevertheless, the ransom notes and also tricks of extorting the ransom amount might differ relying on specific local (local) setups. The ransom notes and tricks of extorting the ransom money quantity may vary depending on certain regional (regional) setups.

Ransomware injection

For instance:

    Faulty notifies about unlicensed software.

    In certain areas, the Trojans often wrongfully report having discovered some unlicensed applications enabled on the target’s tool. The alert then requires the individual to pay the ransom money.

    Faulty statements about prohibited web content.

    In countries where software piracy is less popular, this approach is not as effective for the cyber scams. Additionally, the Ransom:MSIL/LockScreen.E popup alert may incorrectly declare to be stemming from a law enforcement institution and also will certainly report having situated child porn or other illegal information on the tool.

    Ransom:MSIL/LockScreen.E popup alert might incorrectly declare to be acquiring from a law enforcement institution and will certainly report having located youngster porn or various other illegal information on the gadget. The alert will likewise contain a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: 0EFF4DDE
md5: 43cc45710669cc6eb57ccde9dc539b49
name: 43CC45710669CC6EB57CCDE9DC539B49.mlw
sha1: 019b8220ecace68d3c641869e9a163fe9c394469
sha256: 2440eda3ee37a760f94f02de73004aef1b318fdeda32ac286fd67d0d26653fc6
sha512: 43c2467b367c0f02af512771fd050228b91ba42d3505f27fc3d22f9997e289bdbf1945ffc94b658c5483645b52d583907ef0dd2ebbb184349b29e41f91731792
ssdeep: 768:PiUrur/C3uYA89twSNJWuVbKftYIyluBSJu:Pive519tdNouYVWuEJu
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Microsoft 2014
Assembly Version: 1.0.0.0
InternalName: stub.exe
FileVersion: 1.0.0.0
CompanyName: Microsoft
ProductName: Authentication Module
ProductVersion: 1.0.0.0
FileDescription: Microsoft Authenticator
OriginalFilename: stub.exe

Ransom:MSIL/LockScreen.E also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004bc26a1 )
Elastic malicious (high confidence)
DrWeb Trojan.KillProc.31942
Cynet Malicious (score: 90)
CAT-QuickHeal Trojan.Lockscreen.100400
ALYac Gen:Heur.MSIL.Krypt.2
Cylance Unsafe
Zillya Trojan.Survey.Win32.6
Sangfor Ransom.MSIL.Survey.i
CrowdStrike win/malicious_confidence_70% (D)
Alibaba Ransom:MSIL/LockScreen.e72c60b6
K7GW Trojan ( 004bc26a1 )
Cybereason malicious.10669c
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/LockScreen.JS
APEX Malicious
Avast Win32:Trojan-gen
Kaspersky Trojan-Ransom.MSIL.Survey.i
BitDefender Gen:Heur.MSIL.Krypt.2
NANO-Antivirus Trojan.Win32.Ransom.dlggsc
MicroWorld-eScan Gen:Heur.MSIL.Krypt.2
Tencent Malware.Win32.Gencirc.114baa4e
Ad-Aware Gen:Heur.MSIL.Krypt.2
Sophos Mal/Generic-S
Comodo Malware@#3h3gr6e8ee8kq
BitDefenderTheta Gen:NN.ZemsilF.34628.cq1@aiVbfSn
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.43cc45710669cc6e
Emsisoft Gen:Heur.MSIL.Krypt.2 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/MSIL.gmfo
Webroot W32.Gen.BT
Avira TR/LockScreen.45568.2
eGambit Generic.Malware
Kingsoft Win32.Troj.Undef.(kcloud)
Microsoft Ransom:MSIL/LockScreen.E
Arcabit Trojan.MSIL.Krypt.2
AegisLab Trojan.MSIL.Survey.4!c
GData Gen:Heur.MSIL.Krypt.2
AhnLab-V3 Trojan/Win32.Agent.R123999
Acronis suspicious
McAfee Artemis!43CC45710669
MAX malware (ai score=100)
VBA32 TScope.Trojan.MSIL
Malwarebytes Trojan.Dropper
Panda Trj/CI.A
Rising Ransom.Survey!8.4C08 (CLOUD)
Ikarus Trojan.MSIL.LockScreen
MaxSecure Trojan.Malware.300983.susgen
Fortinet MSIL/LockScreen.MG!tr
AVG Win32:Trojan-gen
Qihoo-360 Generic/Ransom.PornoBlocker.HwMAEpsA

How to remove Ransom:MSIL/LockScreen.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 Ransom:MSIL/LockScreen.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:

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If the guide doesn’t help you to remove Ransom:MSIL/LockScreen.E 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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