Win32/LockScreen.BAJ

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

What is Win32/LockScreen.BAJ infection?

In this article you will certainly locate regarding the interpretation of Win32/LockScreen.BAJ as well as its adverse impact on your computer system. Such ransomware are a type of malware that is elaborated by online fraudulences to demand paying the ransom by a target.

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In the majority of the cases, Win32/LockScreen.BAJ virus will advise its sufferers to start funds transfer for the function of neutralizing the changes that the Trojan infection has actually introduced to the target’s tool.

Win32/LockScreen.BAJ Summary

These alterations can be as adheres to:

  • Reads data out of its own binary image;
  • Drops a binary and executes it;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Installs itself for autorun at Windows startup;
  • Network activity detected but not expressed in API logs;
  • Attempts to modify browser security settings;
  • Creates a copy of itself;
  • Attempts to disable browser security warnings;
  • Ciphering the documents located on the target’s hard drive — so the victim can no longer utilize the information;
  • Preventing regular accessibility to the target’s workstation;

Win32/LockScreen.BAJ

The most typical networks where Win32/LockScreen.BAJ Trojans are injected are:

  • By methods of phishing emails;
  • As a consequence of user winding up on a source that hosts a harmful software;

As soon as the Trojan is successfully infused, it will either cipher the information on the sufferer’s PC or stop the gadget from functioning in an appropriate fashion – while additionally positioning a ransom note that mentions the requirement for the victims to impact the payment for the objective of decrypting the records or bring back the documents system back to the initial problem. In most circumstances, the ransom note will certainly come up when the client reboots the COMPUTER after the system has already been harmed.

Win32/LockScreen.BAJ circulation networks.

In various corners of the world, Win32/LockScreen.BAJ expands by leaps and bounds. Nevertheless, the ransom money notes and methods of obtaining the ransom quantity may vary depending upon certain regional (regional) setups. The ransom money notes as well as tricks of obtaining the ransom money amount may differ depending on certain regional (local) setups.

Ransomware injection

As an example:

    Faulty informs about unlicensed software program.

    In certain areas, the Trojans often wrongfully report having detected some unlicensed applications allowed on the victim’s tool. The alert then demands the user to pay the ransom.

    Faulty statements regarding unlawful material.

    In countries where software application piracy is less preferred, this method is not as reliable for the cyber fraudulences. Additionally, the Win32/LockScreen.BAJ popup alert may incorrectly declare to be stemming from a law enforcement establishment and will certainly report having located child porn or various other prohibited information on the gadget.

    Win32/LockScreen.BAJ popup alert may wrongly claim to be obtaining from a regulation enforcement establishment and also will certainly report having situated child pornography or various other prohibited data on the gadget. The alert will similarly contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: CC49EDB5
md5: 7c500ada8654a021a7a1de69719d6442
name: 7C500ADA8654A021A7A1DE69719D6442.mlw
sha1: d3cfbecdba3dd2dacf8969b12f69f6ee7c993da5
sha256: 00458c98db22797ba90924066ca47741bba3690a272a3d0d27cce9a18fdc84f4
sha512: 428b6965bcd1a24c3947258ac12ba4196f731c7a42b866f34084e0fef10fce7783d925864a7383cad21aaad527bb7700b4df0c453e068477f36d0461e73cc1c9
ssdeep: 6144:Uzv+kSZBbdH19ex4T02J4fqz22tvymTiB62iKnWKKmDTcNwjreOwIOzO51wv3yTD:UzcRD02J4Sq2vHGB67KWKKmDFkv3aD
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

CompiledScript: AutoIt v3 Script: 3, 3, 8, 0
FileVersion: 3, 3, 8, 0
FileDescription:
Translation: 0x0809 0x04b0

Win32/LockScreen.BAJ also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 700000111 )
Lionic Trojan.Win32.Autoit.4!c
DrWeb Trojan.AVKill.24089
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.NN
Cylance Unsafe
Zillya Trojan.AutoIT.Win32.12611
Alibaba Trojan:Win32/LockScreen.0b99e27b
K7GW Trojan ( 700000111 )
Cybereason malicious.a8654a
Symantec Trojan.Ransomlock.V
ESET-NOD32 a variant of Win32/LockScreen.BAJ
APEX Malicious
Avast AutoIt:LockScreen-A [Trj]
Kaspersky Trojan.Win32.Autoit.awn
BitDefender Trojan.Ransom.NN
NANO-Antivirus Trojan.Win32.AVKill.zvsth
MicroWorld-eScan Trojan.Ransom.NN
Tencent Win32.Trojan.Autoit.Ajbs
Ad-Aware Trojan.Ransom.NN
Sophos Mal/Generic-L
Comodo Malware@#dytt9go13nn2
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Injector.fc
FireEye Trojan.Ransom.NN
Emsisoft Trojan.Ransom.NN (B)
Jiangmin Trojan.MSIL.Zapchast.ag
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1105609
Antiy-AVL Trojan/Generic.ASBOL.C6A4
Kingsoft Win32.Troj.Generic.ac.(kcloud)
Microsoft PWS:Win32/Zbot!ml
Arcabit Trojan.Ransom.NN
GData Trojan.Ransom.NN
McAfee Artemis!7C500ADA8654
MAX malware (ai score=100)
VBA32 Trojan.AVKill
Ikarus Worm.Win32.AutoIt
MaxSecure Trojan.Malware.106232547.susgen
Fortinet W32/LockScreen.BAJ!tr
AVG AutoIt:LockScreen-A [Trj]
Paloalto generic.ml

How to remove Win32/LockScreen.BAJ ransomware?

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.BAJ 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.BAJ 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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