Win32/LockScreen.BIA

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

What is Win32/LockScreen.BIA infection?

In this short article you will discover about the interpretation of Win32/LockScreen.BIA as well as its adverse effect on your computer system. Such ransomware are a form of malware that is elaborated by on the internet frauds to demand paying the ransom money by a victim.

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Most of the instances, Win32/LockScreen.BIA ransomware will instruct its targets to launch funds move for the objective of reducing the effects of the amendments that the Trojan infection has actually presented to the victim’s tool.

Win32/LockScreen.BIA Summary

These adjustments can be as adheres to:

  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • 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;
  • 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
  • Ciphering the records located on the victim’s hard disk — so the target can no more utilize the information;
  • Preventing regular accessibility to the sufferer’s workstation;

Win32/LockScreen.BIA

One of the most regular channels through which Win32/LockScreen.BIA Ransomware Trojans are infused are:

  • By ways of phishing e-mails;
  • As an effect of customer winding up on a resource that organizes a destructive software application;

As quickly as the Trojan is successfully infused, it will certainly either cipher the information on the victim’s computer or prevent the gadget from operating in a proper way – while likewise putting a ransom money note that states the need for the targets to impact the settlement for the objective of decrypting the papers or restoring the file system back to the preliminary problem. In many circumstances, the ransom note will show up when the client reboots the COMPUTER after the system has currently been damaged.

Win32/LockScreen.BIA distribution channels.

In numerous corners of the world, Win32/LockScreen.BIA grows by jumps as well as bounds. Nevertheless, the ransom notes as well as methods of extorting the ransom money amount may vary relying on specific local (regional) setups. The ransom notes as well as methods of extorting the ransom quantity might differ depending on specific regional (regional) settings.

Ransomware injection

For instance:

    Faulty informs about unlicensed software.

    In specific locations, the Trojans often wrongfully report having actually identified some unlicensed applications enabled on the target’s tool. The alert after that requires the individual to pay the ransom.

    Faulty declarations about unlawful material.

    In countries where software piracy is less popular, this technique is not as efficient for the cyber fraudulences. Additionally, the Win32/LockScreen.BIA popup alert may wrongly assert to be originating from a law enforcement organization and also will certainly report having situated youngster porn or other unlawful information on the device.

    Win32/LockScreen.BIA popup alert may falsely declare to be acquiring from a legislation enforcement organization as well as will report having situated child pornography or other unlawful information on the gadget. The alert will similarly consist of a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: BB87B391
md5: 2edbecd840198130db78fc8a50c230ac
name: 2EDBECD840198130DB78FC8A50C230AC.mlw
sha1: b6e9b025b094a16d03b7c91ff032208919320cb2
sha256: 1ec76afa15c3bef9bc6d56665dccfd2ca4c0af23a8a1da962638759fa235feac
sha512: ad60663d4e0ab80dbdc90d7659b826af1e09544d38f9110755a8d9d47decb5a52bced89c6acbee33000ef24b0424003375daca996ff0f0f0b27be29708736022
ssdeep: 12288:y7ZcYSU3lsYOC4xSAvqLj/XqKZGQts9HCbtW/WMHz22:y7mU3lsYOjSYqLj/X0QG9HWkeMt
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: x4f5cx8005x7248x6743x6240x6709 x8bf7x5c0ax91cdx5e76x4f7fx7528x6b63x7248
FileVersion: 1.0.0.0
Comments: x672cx7a0bx5e8fx4f7fx7528x6613x8bedx8a00x7f16x5199(http://www.eyuyan.com)
ProductName: x6613x8bedx8a00x7a0bx5e8f
ProductVersion: 1.0.0.0
FileDescription: x6613x8bedx8a00x7a0bx5e8f
Translation: 0x0804 0x04b0

Win32/LockScreen.BIA also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 005246d51 )
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
ALYacGen:Variant.Zusy.369587
CylanceUnsafe
SangforWin.Malware.Zusy-6840460-0
CrowdStrikewin/malicious_confidence_80% (D)
K7GWPassword-Stealer ( 0049ad991 )
Cybereasonmalicious.840198
CyrenW32/Agent.EW.gen!Eldorado
SymantecML.Attribute.HighConfidence
ESET-NOD32a variant of Win32/LockScreen.BIA
APEXMalicious
AvastWin32:Trojan-gen
ClamAVWin.Malware.Zusy-6840460-0
KasperskyTrojan-Ransom.Win32.Blocker.ijfq
BitDefenderGen:Variant.Zusy.369587
NANO-AntivirusTrojan.Win32.Ransom.edoamd
MicroWorld-eScanGen:Variant.Zusy.369587
TencentWin32.Trojan.Lockscreen.Hwdn
Ad-AwareGen:Variant.Zusy.369587
SophosMal/Generic-S (PUA)
ComodoWorm.Win32.Dropper.RA@1qraug
BitDefenderThetaGen:NN.ZexaF.34608.Vq0@aio9x7jb
VIPRETrojan.Win32.Generic!BT
McAfee-GW-EditionBehavesLike.Win32.Generic.bh
FireEyeGeneric.mg.2edbecd840198130
EmsisoftGen:Variant.Zusy.369587 (B)
SentinelOneStatic AI – Malicious PE
AviraTR/Ransom.zrnk
eGambitUnsafe.AI_Score_99%
KingsoftWin32.Heur.KVM011.a.(kcloud)
MicrosoftTrojan:Win32/Emotet!ml
ArcabitTrojan.Zusy.D5A3B3
GDataWin32.Application.PUPStudio.A
AhnLab-V3Trojan/Win32.Spnr.C444546
Acronissuspicious
McAfeeGenericRXAA-AA!2EDBECD84019
MAXmalware (ai score=88)
VBA32BScope.Trojan.Tiggre
MalwarebytesPUP.Optional.ChinAd
PandaTrj/GdSda.A
RisingTrojan.LockScreen!8.1AF (CLOUD)
YandexTrojan.GenAsa!OtydlCffxLY
MaxSecureDropper.Dinwod.frindll
FortinetW32/LockScreen.BIA!tr
AVGWin32:Trojan-gen

How to remove Win32/LockScreen.BIA 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 Win32/LockScreen.BIA 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.BIA 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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