MSIL/LockScreen.BU

What is MSIL/LockScreen.BU infection?

In this article you will certainly locate concerning the interpretation of MSIL/LockScreen.BU and its negative influence on your computer. Such ransomware are a type of malware that is specified by online frauds to demand paying the ransom by a victim.

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In the majority of the cases, MSIL/LockScreen.BU virus will advise its victims to initiate funds transfer for the purpose of neutralizing the changes that the Trojan infection has actually introduced to the victim’s gadget.

MSIL/LockScreen.BU Summary

These adjustments can be as complies with:

  • 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.
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses Windows utilities for basic functionality;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records found on the victim’s hard disk drive — so the victim can no longer use the information;
  • Preventing normal 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.
Similar behavior
Related domains
z.whorecord.xyz Ransom.Blocker!8.12A (CLOUD)
a.tomx.xyz Ransom.Blocker!8.12A (CLOUD)

MSIL/LockScreen.BU

The most normal channels whereby MSIL/LockScreen.BU Ransomware are injected are:

  • By means of phishing emails;
  • As a consequence of user winding up on a source that holds a destructive software program;

As quickly as the Trojan is effectively injected, it will either cipher the information on the sufferer’s computer or prevent the gadget from working in a proper manner – while likewise placing a ransom money note that discusses the requirement for the sufferers to effect the settlement for the function of decrypting the documents or recovering the file system back to the preliminary problem. In a lot of circumstances, the ransom money note will turn up when the client reboots the PC after the system has actually currently been harmed.

MSIL/LockScreen.BU distribution networks.

In different edges of the world, MSIL/LockScreen.BU grows by leaps and bounds. However, the ransom notes as well as tricks of extorting the ransom quantity may differ relying on specific neighborhood (local) settings. The ransom money notes as well as techniques of extorting the ransom quantity may differ depending on certain local (local) setups.

Ransomware injection

For example:

    Faulty alerts about unlicensed software program.

    In particular areas, the Trojans often wrongfully report having actually discovered some unlicensed applications made it possible for on the sufferer’s device. The sharp then requires the individual to pay the ransom.

    Faulty statements regarding unlawful content.

    In countries where software program piracy is much less popular, this approach is not as reliable for the cyber frauds. Alternatively, the MSIL/LockScreen.BU popup alert might wrongly assert to be stemming from a law enforcement establishment and will certainly report having located youngster porn or other unlawful data on the gadget.

    MSIL/LockScreen.BU popup alert might falsely declare to be acquiring from a legislation enforcement institution and will report having located kid porn or various other illegal data on the device. The alert will in a similar way include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: C959FF1B
md5: 56814f4ee79a7baf7b3892a2a8f9116f
name: 56814F4EE79A7BAF7B3892A2A8F9116F.mlw
sha1: f1c9d5eba887aa6e57f6a5684b8972aa340301d5
sha256: 9772323a414440be2927bdb247aabd3ec2fcd502a2ad1b7f355b24b7d5a101fa
sha512: 47e1cbc7ae0a7cf09998e00db85df76e22778efa71ac280dc4ca29ebb459b47c89d9dc06583839acfcca6feb53f32258ce0edd86213fb9f6fe3dca7ad4023d0d
ssdeep: 3072:3qlIECDq+PBELSbb8GiTcY03FrlBX+U7cwAx+h7Hwv6V0mdj8Qjo1o9m71:8qm+PB6gRHJbI4h7Hwv6Xdj8Uo1o9u
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 Galina-Soft 2012
Assembly Version: 1.2.56.0
InternalName: locker.exe
FileVersion: 1.2.56.0
CompanyName: Galina-Soft
ProductName: ProgrammerHelper
ProductVersion: 1.2.56.0
FileDescription: ProgrammerHelper
OriginalFilename: locker.exe

MSIL/LockScreen.BU also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 004cb1481 )
DrWeb Trojan.KillProc.19886
Cynet Malicious (score: 99)
ALYac Gen:Variant.MSILPerseus.216656
Zillya Trojan.Blocker.Win32.599
K7GW Trojan ( 004cb1481 )
Cybereason malicious.ee79a7
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of MSIL/LockScreen.BU
APEX Malicious
Avast MSIL:Agent-YU [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.MSILPerseus.216656
NANO-Antivirus Trojan.Win32.Blocker.btvjow
MicroWorld-eScan Gen:Variant.MSILPerseus.216656
Tencent Win32.Trojan.Generic.Swaz
Ad-Aware Gen:Variant.MSILPerseus.216656
Sophos Mal/Generic-S
Comodo Malware@#378hl0p9drjw7
BitDefenderTheta Gen:NN.ZemsilF.34686.lm0@a8Zjije
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition GenericRXDS-HS!56814F4EE79A
FireEye Generic.mg.56814f4ee79a7baf
Emsisoft Gen:Variant.MSILPerseus.216656 (B)
Jiangmin Trojan.Diztakun.cpg
Avira TR/LockScreen.BM
eGambit Unsafe.AI_Score_89%
Microsoft Backdoor:Win32/Bladabindi!ml
Arcabit Trojan.MSILPerseus.D34E50
AegisLab Trojan.Win32.Blocker.j!c
GData Gen:Variant.MSILPerseus.216656
McAfee GenericRXDS-HS!56814F4EE79A
MAX malware (ai score=81)
Panda Trj/CI.A
Rising Ransom.Blocker!8.12A (CLOUD)
Ikarus Virus.LockScreen
Fortinet W32/Blocker.IAR!tr
AVG MSIL:Agent-YU [Trj]
Paloalto generic.ml

How to remove MSIL/LockScreen.BU 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.BU 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.BU 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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