Avast Security continues to be a staple in the Windows protection market with its latest version, 25.12, released in December 2025. This suite provides essential defense mechanisms against modern digital threats, ranging from classic malware to sophisticated AI-generated scams. By combining a lightweight scanning engine with real-time monitoring tools, the software ensures that users on Windows 10 and Windows 11 can browse, bank, and work without constant fear of infection.
Key Features
- Behavior Shield: This patented technology monitors active applications in real-time to spot suspicious patterns, effectively stopping zero-day threats and ransomware before they can modify your files.
- Ransomware Shield: A specialized layer of defense that strictly controls which applications can change or delete files in your protected folders, keeping personal photos and documents safe from encryption attacks.
- Web Guard: This feature actively blocks malicious downloads and dangerous websites while you browse, including a new DeepFake Protection module designed to flag AI-generated scam videos.
- Network Inspector: Formerly known as Wi-Fi Inspector, this tool scans your home network to identify vulnerable devices and weak router settings that hackers could exploit to gain access.
- Smart Scan: A single click triggers a comprehensive check that hunts for hidden viruses, outdated software, browser threats, and network issues simultaneously.
- Do Not Disturb Mode: Automatically detects when you are running full-screen applications or games, silencing Windows notifications and Avast pop-ups to preserve focus and system resources.
Use Cases
Home users with irreplaceable digital photo albums rely on the Ransomware Shield to prevent unauthorized encryption of their memories. PC gamers and streamers frequently utilize the Do Not Disturb Mode to maintain high frame rates and eliminate distractions during competitive sessions.
Avast Security offers a practical balance of free essential tools and premium options, making it a reliable choice for anyone needing layered defense without complex configuration.
Version 25.12.10659 — December 2025
- Introduced a new DeepFake Protection tool within the Antiscam dashboard to help users identify and block AI-generated scam videos.
- Improved the detection capabilities and connectivity stability for wireless displays.
- Fixed an issue where the application interface would repeatedly pop up even when Silent Mode was enabled.
- Resolved a bug that caused boot-time scans to freeze or fail to initialize properly.
- Enhanced overall product stability and fixed crashes related to background services and license migration.
