Win32/LockScreen.BOI

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/LockScreen.BOI infection?

In this post you will find regarding the meaning of Win32/LockScreen.BOI as well as its negative effect on your computer system. Such ransomware are a kind of malware that is elaborated by online fraudulences to require paying the ransom money by a sufferer.

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In the majority of the situations, Win32/LockScreen.BOI ransomware will advise its victims to launch funds move for the purpose of reducing the effects of the amendments that the Trojan infection has actually presented to the target’s tool.

Win32/LockScreen.BOI Summary

These adjustments can be as adheres to:

  • Creates RWX memory;
  • A process created a hidden window;
  • Unconventionial binary language: Russian;
  • Unconventionial language used in binary resources: Russian;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Installs itself for autorun at Windows startup;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers situated on the sufferer’s hard disk drive — so the victim can no longer make use of the data;
  • Preventing regular access to the victim’s workstation;

Related domains:

z.whorecord.xyzRansom:Win32/Blocker.83d48f4a
a.tomx.xyzRansom:Win32/Blocker.83d48f4a

Win32/LockScreen.BOI

The most normal networks whereby Win32/LockScreen.BOI Trojans are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of individual ending up on a source that hosts a destructive software;

As quickly as the Trojan is effectively infused, it will either cipher the data on the victim’s PC or stop the device from working in a correct way – while additionally putting a ransom money note that points out the demand for the targets to effect the repayment for the purpose of decrypting the files or recovering the documents system back to the first condition. In the majority of circumstances, the ransom note will certainly turn up when the customer restarts the COMPUTER after the system has already been damaged.

Win32/LockScreen.BOI circulation channels.

In numerous corners of the world, Win32/LockScreen.BOI grows by jumps and bounds. Nonetheless, the ransom money notes as well as techniques of extorting the ransom money quantity may vary depending on certain neighborhood (regional) setups. The ransom notes and methods of obtaining the ransom money quantity might vary depending on specific local (local) settings.

Ransomware injection

For example:

    Faulty informs about unlicensed software.

    In particular areas, the Trojans usually wrongfully report having actually discovered some unlicensed applications made it possible for on the target’s device. The sharp after that demands the user to pay the ransom.

    Faulty statements about illegal material.

    In countries where software program piracy is much less prominent, this technique is not as efficient for the cyber scams. Alternatively, the Win32/LockScreen.BOI popup alert may incorrectly declare to be originating from a law enforcement organization as well as will report having located kid pornography or various other unlawful data on the tool.

    Win32/LockScreen.BOI popup alert might wrongly assert to be acquiring from a law enforcement organization as well as will report having located youngster porn or other illegal data on the gadget. The alert will similarly consist of a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 04B24D63
md5: 3fdd675b72f7504da7a75cfbe99923cb
name: 3FDD675B72F7504DA7A75CFBE99923CB.mlw
sha1: b50049c36778ffadce12a9807c08acb1a6ed5977
sha256: 2887d9a819eda3713d8c49500f7e009eea60f1a26400018e2a304db89d7315ae
sha512: ae4a161800052b96fbea2d7439f66c5bcca9e23dfdeb78e5b5d835aca5adb0061308771aff76df1b570ba7e79482493a8d251bf9755264c663b0dd5e58c40bfa
ssdeep: 24576:riv0sMuaGWDA3e4Acjkmvzv9TEnBols/oALZ0pY6T36kyHn:+vHK5joz2Klk90y6Tz
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: xa9 Fre Soft
InternalName:
FileVersion: 1.0.0.0
CompanyName: xa9 Fre Soft
LegalTrademarks:
Comments:
ProductName:
ProductVersion: 1.0.0.0
FileDescription:
OriginalFilename:
Translation: 0x0419 0x04e3

Win32/LockScreen.BOI also known as:

GridinSoftTrojan.Ransom.Gen
K7AntiVirusRiskware ( 0040eff71 )
DrWebTrojan.Inject2.34097
CynetMalicious (score: 99)
ALYacTrojan.Generic.19824921
CylanceUnsafe
ZillyaTrojan.Blocker.Win32.46617
SangforSuspicious.Win32.Save.a
CrowdStrikewin/malicious_confidence_60% (D)
AlibabaRansom:Win32/Blocker.83d48f4a
K7GWRiskware ( 0040eff71 )
Cybereasonmalicious.b72f75
SymantecML.Attribute.HighConfidence
ESET-NOD32Win32/LockScreen.BOI
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan-Ransom.Win32.Blocker.juca
BitDefenderTrojan.Generic.19824921
NANO-AntivirusTrojan.Win32.Blocker.eiuszt
MicroWorld-eScanTrojan.Generic.19824921
TencentWin32.Trojan.Blocker.Lpmb
Ad-AwareTrojan.Generic.19824921
SophosMal/Generic-S
ComodoMalware@#23widofcqa14l
BitDefenderThetaGen:NN.ZelphiF.34142.AH0@a4YefamQ
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Dropper.th
FireEyeTrojan.Generic.19824921
EmsisoftTrojan.Generic.19824921 (B)
SentinelOneStatic AI – Suspicious PE
JiangminTrojan.Blocker.fut
AviraTR/Blocker.ymtuj
eGambitUnsafe.AI_Score_92%
KingsoftWin32.Troj.Undef.(kcloud)
MicrosoftTrojan:Win32/Dynamer!rfn
GDataTrojan.Generic.19824921
McAfeeArtemis!3FDD675B72F7
MAXmalware (ai score=88)
VBA32TScope.Trojan.Delf
PandaTrj/CI.A
YandexTrojan.GenAsa!U9F8OILF5FQ
IkarusTrojan.Win32.LockScreen
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Blocker.JUCA!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml

How to remove Win32/LockScreen.BOI virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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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.BOI 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 Win32/LockScreen.BOI 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/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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