What is Win32/LockScreen.OM infection?

In this article you will certainly find concerning the interpretation of Win32/LockScreen.OM and also its unfavorable impact on your computer system. Such ransomware are a type of malware that is elaborated by online fraudulences to require paying the ransom by a sufferer.

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When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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Most of the cases, Win32/LockScreen.OM infection will instruct its victims to initiate funds move for the objective of reducing the effects of the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Win32/LockScreen.OM 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.
  • Repeatedly searches for a not-found browser, may want to run with startbrowser=1 option;
  • Unconventionial binary language: Russian;
  • Unconventionial language used in binary resources: Russian;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Ciphering the documents situated on the victim’s hard disk — so the sufferer can no more make use of the data;
  • Preventing regular accessibility to the target’s workstation;
Similar behavior
Related domains Trojan-Ransom.Win32.PinkBlocker.cjz Trojan-Ransom.Win32.PinkBlocker.cjz


One of the most typical channels through which Win32/LockScreen.OM are injected are:

  • By means of phishing emails;
  • As an effect of customer winding up on a source that organizes a harmful software application;

As soon as the Trojan is effectively injected, it will certainly either cipher the data on the sufferer’s computer or protect against the tool from working in a proper fashion – while likewise placing a ransom money note that discusses the requirement for the targets to effect the settlement for the objective of decrypting the papers or bring back the documents system back to the initial problem. In most circumstances, the ransom money note will come up when the customer restarts the PC after the system has actually currently been damaged.

Win32/LockScreen.OM distribution channels.

In various corners of the globe, Win32/LockScreen.OM expands by leaps and bounds. However, the ransom notes as well as methods of obtaining the ransom quantity might differ depending on certain neighborhood (local) settings. The ransom money notes and also tricks of extorting the ransom quantity may differ depending on certain neighborhood (local) settings.

Ransomware injection

For example:

    Faulty informs concerning unlicensed software application.

    In certain areas, the Trojans commonly wrongfully report having discovered some unlicensed applications allowed on the victim’s gadget. The alert after that demands the customer to pay the ransom.

    Faulty declarations concerning illegal content.

    In countries where software piracy is less preferred, this method is not as efficient for the cyber scams. Conversely, the Win32/LockScreen.OM popup alert may falsely assert to be originating from a law enforcement organization and also will certainly report having situated kid pornography or various other illegal data on the device.

    Win32/LockScreen.OM popup alert might falsely claim to be obtaining from a legislation enforcement organization and will certainly report having situated child porn or other unlawful information on the device. The alert will similarly include a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: F0B56B7E
md5: b4f20572b9d94bf77dcc109379c6c152
name: B4F20572B9D94BF77DCC109379C6C152.mlw
sha1: 393827cea7a019784e46b717c22f63c6760aea4a
sha256: 0ee40037b55aa0f72e50ddedd4127f8e6c4be3b1ed52c23a3a7a6620dcc24c6e
sha512: 2dff9de6a2b6426ef8770ad81c0cac93216057a9f17689b515007a0690dbd09e58b40a3baa27f745cca909bb27eae2e5f17df04d79b9ca4c0300cb58616be3ea
ssdeep: 1536:66RGUfHedAELhGTLxd0UP51Mu1YCeYTe5B5kCcZUHFc4tR85mX5sWauRVIEuRXr:66RGU26KudKwYL5kC3NtCFWax7Z
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright (C) 2009
InternalName: Flash Install
FileVersion: 1, 23, 2, 5
ProductName: Flash Install
ProductVersion: 1, 23, 2, 5
FileDescription: Flash Install
OriginalFilename: Codec Install
Translation: 0x0419 0x04b0

Win32/LockScreen.OM also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 00143f451 )
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Adware.Zugo.2
ALYac Gen:Variant.Adware.Zugo.2
Cylance Unsafe
BitDefender Gen:Variant.Adware.Zugo.2
K7GW Trojan ( 00143f451 )
Cybereason malicious.2b9d94
BitDefenderTheta AI:Packer.1F0050241F
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/LockScreen.OM
APEX Malicious
Cynet Malicious (score: 100)
Kaspersky Trojan-Ransom.Win32.PinkBlocker.cjz
Alibaba Ransom:Win32/PinkBlocker.58b8146c
NANO-Antivirus Virus.Win32.Gen.ccmw
Ad-Aware Gen:Variant.Adware.Zugo.2
Comodo Malware@#2dp751gw0ndv5
DrWeb Trojan.BrowseBan.303
VIPRE Trojan.Win32.Kuluoz.i (v)
Sophos Mal/Generic-S
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/
Avira TR/Crypt.ZPACK.Gen
GData Gen:Variant.Adware.Zugo.2
AhnLab-V3 Trojan/Win32.PinkBlocker.C47226
Acronis suspicious
VBA32 BScope.Trojan.Bojotuc
MAX malware (ai score=100)
Malwarebytes Malware.AI.596253126
Tencent Win32.Trojan.Lockscreen.Phpy
Yandex Trojan.GenAsa!MgtDyFytGBg
Ikarus Trojan-Dropper.Win32.Blocker
Fortinet W32/LockScreen.OW!tr
Panda Trj/CI.A

How to remove Win32/LockScreen.OM 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 Win32/LockScreen.OM 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 Win32/LockScreen.OM 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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