Best Free Ransomware Protection Software of 2025

Control D is a customizable DNS filtering and traffic redirection platform that leverages Secure DNS protocols like DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC, with support for Legacy DNS. With Control D you can: block malicious threats, block unwanted types of content network wide (ads & trackers, IoT telemetry, adult content, socials, and more), redirect traffic using transparent proxies and gain visibility on network events and usage patterns, with client level granularity. Think of it as your personal Authoritative DNS resolver for the entire Internet that gives you granular control over what domains get resolved, redirected or blocked.

Cyberthreats are eradicated Restores confidence. Traditional antivirus is no longer sufficient. Malwarebytes eliminates all new threats before other antivirus systems even know they exist. Malwarebytes blocks viruses, malware, malicious sites, ransomware, hackers, and other threats that traditional antivirus can't stop. Organizations of all sizes use our cutting-edge protection and response strategies. Traditional antivirus is slow to respond to new threats. It's also "dumb". We use layers like anomaly detection (an artificial intelligence type), behavior matching, application hardening, and behavior matching to destroy malware that has never been seen before. It's not like traditional antivirus.

How we keep businesses worldwide up and running: From secure backups to intelligent data insights, Veeam Data Platform is built to handle the complexities of modern data management. Your data, protected, recoverable, and free — just the way it should be. Veeam Data Platform is a simple yet powerful data management platform that goes beyond backup, providing businesses with reliable data protection, orchestrated recovery, and streamlined data management.

Our robust malware protection solution shields your PC from a wide array of threats, including viruses, ransomware, spyware, Trojans, adware, and worms. Recent enhancements in advanced heuristics have been implemented to effectively identify various virus variants and additional threats. Furthermore, the newly upgraded anti-malware engine, which boasts a 100% increase in capacity, enables speedy and thorough scans of your computer while working in tandem with the Bitdefender engine and IObit Anti-ransomware engine to provide multi-core defense. Additionally, IObit Malware Fighter 8 offers a secure safe box feature where you can lock away your sensitive files; simply set a password and store your important data, ensuring that only you have access to it. The anti-ransomware component further reinforces the protection of your data by proactively defending against any ransomware attempts. Moreover, the browser security feature ensures a safe and enjoyable online experience for both professional and personal activities. With these comprehensive layers of security, you can surf the web with complete peace of mind.

Avast One is an all-inclusive service that offers extensive protection through its award-winning antivirus software, VPN, data breach monitoring, and device cleaning tools, ensuring you remain safe and private in the face of modern threats. With its feature-rich antivirus, you can enjoy peace of mind without experiencing any slowdown in your device's performance. Safeguard your identity and personal details from cybercriminals while maintaining your desired level of online privacy. Experience enhanced performance on your computer and smartphone with improved processing speed, increased storage capacity, and extended battery life. Avast One serves as a complete online security solution, capable of preventing and eliminating malware to shield your devices, concealing your IP address via a VPN, and keeping your software updated to address vulnerabilities that could be exploited by hackers. It also protects against router hacking using a firewall, assists in securing your accounts in case of data breaches, and offers a multitude of additional features to enhance your security. Ultimately, Avast One stands out as an indispensable tool for ensuring your digital safety.

NAKIVO Backup & Replication provides a top-rated, fast, and affordable backup, ransomware recovery, and disaster recovery solution that works in virtual, physical and cloud environments. The solution provides outstanding performance, reliability and management for SMBs, enterprises and MSPs.

Kaspersky's Anti-Ransomware Tool provides comprehensive protection against ransomware throughout the entire attack lifecycle, from initial delivery to final execution, utilizing advanced technologies within a robust multi-layered security framework. With a ransomware attack occurring every five seconds, this free tool offers effective defense against notorious threats like Maze, Conti, REvil, Netwalker, DoppelPaymer, WannaCry, Petya, Bad Rabbit, Locky, TeslaCrypt, Rakhni, Rannoh, and many more. It seamlessly integrates with your existing security measures, enhancing their effectiveness without conflict. This lightweight solution harnesses the power of Kaspersky’s state-of-the-art endpoint protection technologies, including cloud-assisted behavior detection, to promptly neutralize ransomware and crypto-malware threats. Additionally, it features a dedicated ransomware scanner, functioning as an all-encompassing remedy for preventing ransomware incidents. The Kaspersky Anti-Ransomware Tool is adept at thwarting both local and remote encryption attempts on user data, ensuring a comprehensive safeguard against potential data loss. With its user-friendly interface and strong performance, it stands as a vital asset in maintaining cybersecurity.

Your online activities and computer usage should remain private, but unfortunately, third parties often track your personal data and browsing habits to profit from your online presence or compromise your identity. To combat the relentless threat of cyber attacks, robust software is essential to protect against malicious intrusions at all times. In today's digital landscape, anyone can easily become a victim of cybercrime due to the vast amounts of personal information shared online, which complicates efforts to defend against hacking attempts. Our all-inclusive software is designed to ensure the safety of you and your family while using devices or navigating the internet. The Cyber Privacy Suite effectively guards against dangerous privacy risks and actively pinpoints areas where your data may be at risk or exposed. By utilizing this software, you can enjoy greater peace of mind as you explore the online world.

Our complimentary antivirus solution has significantly improved. It now offers real-time security updates, conducts thorough scans for malware, ransomware, and performance-related issues, while intercepting harmful downloads before they can affect your computer. Additionally, you'll appreciate the newly revamped, user-friendly interface that clearly displays your protection status. Remarkably, all these features operate without compromising your system's speed. Whether you opt for the free version or the complete protection package, you will benefit from robust security that automatically updates itself. Furthermore, with an advanced virus scanner designed to detect and eliminate threats, you can feel confident that your family is safeguarded against emerging dangers. This software not only halts viruses, spyware, and ransomware but also adds an extra layer of ransomware protection to secure your personal folders, blocks unsafe links and downloads, and thoroughly scans for any PC performance issues, ensuring comprehensive safety and efficiency. As new threats continue to evolve, staying protected has never been more critical.

BadBadgerAntiMalware provides users with complete protection from existing and emerging cyber threats. Zero-day threat analysis from a team of professionals gives BadBadgerAntiMalware the best malware detection and blocking rates on the market.

The War on Ransomware has ended. NeuShield Data Sentinel is more than just a ransomware detection and blocker. Our anti-ransomware technology is the only one that can restore your data from malicious software attacks. Data Sentinel uses Mirror Shielding™ to protect files, ensuring that you can immediately recover your data from any ransomware attack. Patented technology that creates a barrier around protected files to prevent them from being modified. Mirror Shielding™, which makes attackers believe they have access the original data files of a computer, but they only see a mirror image. You can quickly restore access to your computer's operating system files and settings after a ransomware attack by restoring them to a known good condition. One-Click Restore can also be used to remove unknown and known malware. Protects the boot section of a drive to stop aggressive ransomware taking over the boot process.