What is MSIL/LockScreen.UD infection?

In this short article you will locate about the definition of MSIL/LockScreen.UD and also its adverse effect on your computer system. Such ransomware are a form of malware that is specified by on-line fraudulences to demand paying the ransom by a victim.

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Most of the instances, MSIL/LockScreen.UD ransomware will advise its targets to initiate funds move for the objective of counteracting the amendments that the Trojan infection has actually presented to the target’s device.

MSIL/LockScreen.UD Summary

These adjustments can be as complies with:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the documents located on the victim’s hard drive — so the victim can no more use the information;
  • Preventing normal access 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.


The most regular channels through which MSIL/LockScreen.UD Ransomware are infused are:

  • By means of phishing emails;
  • As a consequence of customer winding up on a source that organizes a malicious software program;

As soon as the Trojan is effectively injected, it will either cipher the data on the victim’s PC or protect against the gadget from functioning in an appropriate fashion – while additionally putting a ransom money note that states the requirement for the targets to effect the payment for the function of decrypting the records or bring back the file system back to the initial condition. In the majority of instances, the ransom money note will certainly show up when the client restarts the COMPUTER after the system has actually currently been harmed.

MSIL/LockScreen.UD circulation channels.

In different edges of the globe, MSIL/LockScreen.UD expands by leaps and bounds. However, the ransom money notes as well as tricks of obtaining the ransom amount may differ relying on particular regional (local) setups. The ransom notes and techniques of obtaining the ransom money quantity may vary depending on specific neighborhood (local) settings.

Ransomware injection

For instance:

    Faulty notifies regarding unlicensed software program.

    In particular areas, the Trojans usually wrongfully report having actually spotted some unlicensed applications allowed on the target’s device. The alert after that demands the user to pay the ransom money.

    Faulty declarations about illegal content.

    In nations where software application piracy is much less prominent, this method is not as reliable for the cyber frauds. Conversely, the MSIL/LockScreen.UD popup alert might wrongly declare to be stemming from a law enforcement establishment and will certainly report having located kid pornography or other prohibited data on the device.

    MSIL/LockScreen.UD popup alert may incorrectly claim to be acquiring from a regulation enforcement organization and also will report having situated youngster pornography or other unlawful information on the tool. The alert will in a similar way include a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 1C413791
md5: d79f9195796af1f691441851b1901351
name: D79F9195796AF1F691441851B1901351.mlw
sha1: 7722a8f0e5540c4708e5764515046a17de4f4bdb
sha256: 4f6f613a118d0843cae67804523fb1da76ae806ed434b741552e1695f7092278
sha512: 9c072cb15da7ca77483f38b597a1a3579bca8807ee899290a70b7a1da7b344b3d200d5c681fd4b8114c7ac9081c427e3037014c1c31c7dd70fe4d47cd1fdaf3e
ssdeep: 12288:0kpb2qvR1wpAyYqsWrQG2UlISyrPKFGKkC0v1R:7b2cR10AWNEG2VSdkCU
type: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0
LegalCopyright: Copyright xa9 2017
Assembly Version:
InternalName: Lazaah Booter.exe
ProductName: WindowsApplication1
FileDescription: WindowsApplication1
OriginalFilename: Lazaah Booter.exe

MSIL/LockScreen.UD also known as:

GridinSoft Trojan.Ransom.Gen
ALYac Trojan.Ransom.ScreenLocker
Cylance Unsafe
Zillya Trojan.LockScreen.Win32.9777
Alibaba Trojan:MSIL/LockScreen.68bcb7c0
K7GW Trojan ( 005103a11 )
K7AntiVirus Trojan ( 005103a11 )
Symantec Trojan.Gen.2
APEX Malicious
Avast Win32:Malware-gen
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Trojan.GenericKD.5365400
NANO-Antivirus Trojan.Win32.LockScreen.eqdsyr
MicroWorld-eScan Trojan.GenericKD.5365400
Ad-Aware Trojan.GenericKD.5365400
Comodo Malware@#2s6zjqce75qvj
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_ADLITTLE.A
McAfee-GW-Edition Artemis!Trojan
FireEye Trojan.GenericKD.5365400
Emsisoft Trojan.GenericKD.5365400 (B)
SentinelOne Static AI – Suspicious PE
Webroot W32.Ransom.Gen
Antiy-AVL Trojan/Win32.TSGeneric
Microsoft Trojan:Win32/Occamy.C4F
Arcabit Trojan.Generic.D51DE98
AegisLab Trojan.Win32.Generic.4!c
GData Trojan.GenericKD.5365400
McAfee Artemis!D79F9195796A
MAX malware (ai score=99)
Panda Trj/GdSda.A
TrendMicro-HouseCall Ransom_ADLITTLE.A
Tencent Win32.Trojan.Lockscreen.Wskd
Yandex Trojan.LockScreen!XaWJJE3LPO8
Ikarus Trojan.MSIL.LockScreen
Fortinet MSIL/LockScreen.UD!tr
AVG Win32:Malware-gen
Qihoo-360 Win32/Ransom.PornoBlocker.HwMAuX8A

How to remove MSIL/LockScreen.UD 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.UD 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.UD you can always ask me in the comments for getting help.

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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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