Written by Robert Bailey

What is Ransom:Win32/LockScreen.BS infection?

In this post you will discover regarding the interpretation of Ransom:Win32/LockScreen.BS and also its negative influence on your computer system. Such ransomware are a form of malware that is elaborated by online fraudulences to require paying the ransom by a victim.

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Most of the cases, Ransom:Win32/LockScreen.BS infection will certainly advise its victims to launch funds move for the objective of counteracting the modifications that the Trojan infection has introduced to the victim’s gadget.

Ransom:Win32/LockScreen.BS Summary

These adjustments can be as follows:

  • Unconventionial language used in binary resources: Russian;
  • Uses Windows utilities for basic functionality;
  • 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;
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the documents situated on the victim’s hard disk drive — so the target can no more utilize the data;
  • Preventing routine access to the sufferer’s workstation;


The most common channels where Ransom:Win32/LockScreen.BS Ransomware are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As a repercussion of individual ending up on a resource that hosts a destructive software program;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the target’s PC or prevent the tool from working in an appropriate way – while also placing a ransom note that mentions the requirement for the targets to impact the settlement for the function of decrypting the files or restoring the data system back to the initial problem. In a lot of instances, the ransom note will turn up when the client reboots the PC after the system has currently been harmed.

Ransom:Win32/LockScreen.BS circulation channels.

In numerous edges of the world, Ransom:Win32/LockScreen.BS expands by jumps as well as bounds. However, the ransom money notes and methods of obtaining the ransom money quantity may vary depending upon particular local (local) setups. The ransom money notes and also methods of extorting the ransom amount may vary depending on certain local (local) setups.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software program.

    In specific areas, the Trojans frequently wrongfully report having discovered some unlicensed applications enabled on the sufferer’s gadget. The sharp after that requires the individual to pay the ransom money.

    Faulty declarations about unlawful content.

    In countries where software application piracy is much less preferred, this method is not as reliable for the cyber fraudulences. Conversely, the Ransom:Win32/LockScreen.BS popup alert may falsely declare to be originating from a police organization and will report having situated kid porn or other prohibited data on the gadget.

    Ransom:Win32/LockScreen.BS popup alert may wrongly claim to be acquiring from a regulation enforcement establishment and will report having situated kid porn or various other prohibited data on the device. The alert will similarly include a need for the user to pay the ransom money.

Technical details

File Info:

crc32: CCEBA182
md5: 31ecd0987a2a949ee59590b8c341106c
name: 31ECD0987A2A949EE59590B8C341106C.mlw
sha1: b25ee6d5b45144c492a9cc144d3f57d65c05ab64
sha256: 7037ff7a043dce03850ab803a81ad372dbe1a70a17139e28f8f6fd71916abd78
sha512: 27fc443c94e4f829e69c4499206575551f1e4ceeaec631bfed4c883c26a07bd8f063da9226f74a6b86048126967c782ad0ea7f09b299cac120c6a519eebcbb86
ssdeep: 1536:FwUqtQ2DDR76rqvMU6oguM1KF9Q1nqYtrCbnb8OohA:YtJ6rq0G5M1QoqYtObnb8OohA
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Ransom:Win32/LockScreen.BS also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 00092b5f1 )
Elastic malicious (high confidence)
DrWeb Trojan.Winlock.65
Cynet Malicious (score: 100)
ALYac Gen:Variant.Jacard.202049
Cylance Unsafe
Zillya Trojan.SMSer.Win32.1
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
Alibaba Ransom:Win32/LockScreen.843e3984
K7GW Trojan ( 00092b5f1 )
Cybereason malicious.87a2a9
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/LockScreen.F
APEX Malicious
Avast Win32:Delfcrypt-AI [Trj]
Kaspersky Trojan-Ransom.Win32.ChameleonUnlicence.p
BitDefender Gen:Variant.Jacard.202049
NANO-Antivirus Trojan.Win32.Winlock.hqqd
ViRobot Trojan.Win32.A.ChameleonUnlicence.97280
MicroWorld-eScan Gen:Variant.Jacard.202049
Tencent Malware.Win32.Gencirc.10c250e1
Ad-Aware Gen:Variant.Jacard.202049
Sophos Mal/Generic-S
Comodo TrojWare.Win32.Trojan.Agent.~HRL@1e9zoi
BitDefenderTheta Gen:NN.ZelphiF.34678.fGW@aiGJXKec
VIPRE BehavesLike.Win32.Malware.wlk (mx-v)
McAfee-GW-Edition GenericR-HQT!31ECD0987A2A
FireEye Generic.mg.31ecd0987a2a949e
Emsisoft Gen:Variant.Jacard.202049 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/SMSer.ae
Avira HEUR/AGEN.1122028
eGambit Generic.Malware
Microsoft Ransom:Win32/LockScreen.BS
Arcabit Trojan.Jacard.D31541
AegisLab Trojan.Win32.ChameleonUnlicence.j!c
ZoneAlarm Trojan-Ransom.Win32.ChameleonUnlicence.p
GData Gen:Variant.Jacard.202049
AhnLab-V3 Trojan/Win32.Agent.C1986796
Acronis suspicious
McAfee GenericR-HQT!31ECD0987A2A
MAX malware (ai score=99)
VBA32 BScope.Trojan.Downloader
Panda Generic Malware
Rising Trojan.Spy.Win32.Undef.hi (CLASSIC)
Yandex Trojan.GenAsa!T5b5pf7J0Qk
Ikarus Trojan-Ransom.FileCrypter
Fortinet W32/Generic.AC.2104784
AVG Win32:Delfcrypt-AI [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Ransom.PornoBlocker.HwUBEpsA

How to remove Ransom:Win32/LockScreen.BS 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:Win32/LockScreen.BS 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 Ransom:Win32/LockScreen.BS you can always ask me in the comments for getting help.

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  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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