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

What is Win32/LockScreen.BAO infection?

In this post you will find about the definition of Win32/LockScreen.BAO as well as its negative effect on your computer system. Such ransomware are a type of malware that is elaborated by on-line fraudulences to require paying the ransom by a target.

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In the majority of the instances, Win32/LockScreen.BAO ransomware will certainly advise its sufferers to launch funds transfer for the objective of reducing the effects of the modifications that the Trojan infection has actually presented to the target’s gadget.

Win32/LockScreen.BAO Summary

These adjustments can be as adheres to:

  • Creates RWX memory;
  • A process attempted to delay the analysis task.;
  • Reads data out of its own binary image;
  • Performs some HTTP requests;
  • Sniffs keystrokes;
  • Attempts to restart the guest VM;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • Installs itself for autorun at Windows startup;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the papers situated on the sufferer’s hard drive — so the victim can no more use the information;
  • Preventing routine accessibility to the sufferer’s workstation;

Related domains: Trojan.TR/Ransom.pszr Trojan.TR/Ransom.pszr


The most regular networks where Win32/LockScreen.BAO Ransomware Trojans are injected are:

  • By ways of phishing emails;
  • As an effect of customer ending up on a resource that holds a harmful software;

As quickly as the Trojan is efficiently infused, it will either cipher the data on the victim’s computer or protect against the device from functioning in an appropriate fashion – while additionally putting a ransom note that discusses the need for the victims to effect the settlement for the function of decrypting the papers or recovering the documents system back to the initial condition. In many circumstances, the ransom note will certainly show up when the customer restarts the PC after the system has already been damaged.

Win32/LockScreen.BAO circulation networks.

In numerous edges of the world, Win32/LockScreen.BAO grows by leaps and also bounds. Nevertheless, the ransom notes and also methods of extorting the ransom money quantity might vary relying on particular local (regional) settings. The ransom money notes as well as techniques of obtaining the ransom money amount may vary depending on certain regional (regional) settings.

Ransomware injection

As an example:

    Faulty informs about unlicensed software.

    In specific locations, the Trojans frequently wrongfully report having spotted some unlicensed applications made it possible for on the sufferer’s gadget. The alert then requires the user to pay the ransom.

    Faulty statements concerning illegal web content.

    In nations where software application piracy is less prominent, this method is not as effective for the cyber scams. Alternatively, the Win32/LockScreen.BAO popup alert might incorrectly claim to be originating from a police institution and will report having located youngster porn or other prohibited information on the device.

    Win32/LockScreen.BAO popup alert may wrongly claim to be deriving from a regulation enforcement establishment as well as will report having located youngster pornography or various other unlawful information on the device. The alert will likewise have a requirement for the individual to pay the ransom.

Technical details

File Info:

crc32: 0ED0C2A5
md5: 25c4a4adfdaa68888b88e52e852bed7f
name: 25C4A4ADFDAA68888B88E52E852BED7F.mlw
sha1: 00d14890c2439ecfe6deec2890272af88e4b99a8
sha256: d4c963f54e0f040cb4eecee180d53447ed6bd61956ec9909c510c995a195b61d
sha512: f461afe1bcf61eda158ed294f1e2bd93ee4f5b99a5dfc6fda288a534a377f0a1282dd510d8ea9a45240edb381de09a61a3246a43a77ef64c9b1307863f3a2539
ssdeep: 12288:mtXRpqJWxHd0aZKiKgkV04+Ljeq7Nj8ge3OLq:m9qWDPKPj+HNFe+W
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/LockScreen.BAO also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0055e4091 )
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Jacard.199688
Cylance Unsafe
Zillya Trojan.LockScreen.Win32.8859
CrowdStrike win/malicious_confidence_80% (D)
Alibaba Trojan:Win32/Diztakun.d2802fa7
K7GW Trojan ( 0055e4091 )
Cybereason malicious.dfdaa6
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/LockScreen.BAO
APEX Malicious
Avast Win32:GenMalicious-EHY [Trj]
Kaspersky Trojan.Win32.Diztakun.fxv
BitDefender Gen:Variant.Jacard.199688
NANO-Antivirus Trojan.Win32.RiskGen.cskaym
MicroWorld-eScan Gen:Variant.Jacard.199688
Tencent Win32.Trojan.Diztakun.Hsiu
Ad-Aware Gen:Variant.Jacard.199688
Sophos Mal/Generic-S
Comodo Malware@#7rup5ajilng9
F-Secure Trojan.TR/Ransom.pszr
BitDefenderTheta Gen:NN.ZelphiF.34142.KGX@a4n7rVfi
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Pluto.hh
Emsisoft Gen:Variant.Jacard.199688 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Generic.azkog
Avira TR/Ransom.pszr
eGambit Generic.Malware
Antiy-AVL Trojan/Win32.Diztakun
Kingsoft Win32.Troj.Diztakun.f.(kcloud)
Microsoft Trojan:Win32/Dynamer!ac
Arcabit Trojan.Jacard.D30C08
ZoneAlarm Trojan.Win32.Diztakun.fxv
GData Gen:Variant.Jacard.199688
McAfee Artemis!25C4A4ADFDAA
MAX malware (ai score=100)
VBA32 BScope.Adware.Presenoker
Malwarebytes Malware.Heuristic.1006
Panda Trj/CI.A
Yandex Trojan.Diztakun!aOpgmbekmyU
Ikarus Trojan.Rogue
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Diztakun.BAO!tr
AVG Win32:GenMalicious-EHY [Trj]

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

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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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