Screen Lock Builder

Screen Lock Builder is a specialized application for creating portable screen lockers on Windows. The program generates standalone executable files with custom messages and password protection. These screen lock utilities are used in home, educational, and corporate environments to manage access to computers. The solution incorporates advanced security mechanisms and automation functions for remote administration.

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• Portable executable generation. The software produces standalone .exe files that require no installation. These executables maintain their full functionality when transferred between different Windows systems. Portability ensures compatibility with multiple versions of the operating system.
• Full screen locking. The application implements a locking mechanism that restricts access to the system user interface. The lock remains active until the correct password is entered, preventing unauthorized use of the computer.
• Message customization. Users define custom text displayed on the lock screen. This feature allows communicating specific instructions or relevant information during the locking period.
• Custom executable naming. The tool allows assigning specific names to the generated executable files. This customization facilitates the identification and organization of different lock configurations.
• AES-256-GCM encryption. The implementation of Advanced Encryption Standard with Galois/Counter Mode protects passwords using cryptographic algorithms. This security standard ensures the confidentiality of access credentials.
• Blacklist protection. The system incorporates a filter that blocks the use of more than 148 malicious terms. This functionality prevents the creation of messages that simulate ransomware or deceptive content.
• Regular expression patterns. Thirty-eight regex patterns complement the filtering system to identify potentially dangerous text combinations. The patterns detect impersonation or coercion attempts.
• Ransomware prevention. The integrated security mechanisms make it impossible to create lockers that simulate system hijacking attacks. This measure guarantees the ethical use of the application.
• Task Manager disable. The function restricts access to the Windows Task Manager during an active lock. This limitation prevents forced closure of the locker through process management.
• Command Prompt blocking. The application prevents access to the command-line interface while the lock remains active. This restriction eliminates alternative methods of evading the system.
• Auto-start capability. The generated executables can be configured to start automatically with the operating system. This feature ensures the lock activates without manual intervention.
• Scheduled auto-shutdown. The system allows defining specific dates and times for the automatic deactivation of the lock. This scheduling offers precise control over the duration of restrictions.
• Date and time configuration. Users set exact chronological parameters for the lock's expiration. The temporal precision reaches specific minute levels.
• System boot integration. The implementation coordinates with Windows initialization processes to ensure consistent execution. The integration maintains lock persistence after system reboots.
• Configuration system. The tool includes functions for saving and loading configuration parameters. This capability facilitates the reuse of predefined settings.
• File locking. The application provides additional functionalities to restrict access to specific files. This feature extends security capabilities beyond screen locking.
• Website blocking. The software includes tools to restrict access to specific web domains. This function complements control over computer usage.
• Interface themes. The application offers visual customization options to adapt the locker's appearance. Themes modify colors and element layout.
• Builder program protection. The builder software incorporates security measures to prevent unauthorized modifications. These protections maintain the functional integrity of the application.

Development of Screen Lock Builder began in the year 2025. The project underwent a complete overhaul and technological modernization in later stages. The creators maintain periodic updates to incorporate functionality and security improvements. The application is developed using programming languages compatible with the Windows platform. The development team focuses its work on computer administration and security tools.

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