Best Free Antivirus Software of 2025

ManageEngine's Endpoint Central, formerly Desktop Central, is a Unified Endpoint Management Solution that manages enterprise mobility management, including all features of mobile app management and mobile device management, as well as client management for a wide range of endpoints such as mobile devices, laptops computers, tablets, servers, and other machines. ManageEngine Endpoint Central allows users to automate their desktop management tasks such as installing software, patching, managing IT assets, imaging, and deploying OS.

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.

An Antivirus solution protects your devices against viruses, malware, ransomware and other nasty threats that could be lurking to steal your data.

An efficient and rapid antivirus solution ensures comprehensive protection for your computer against various forms of malware, including cryptolockers, screen blockers, banking trojans, adware, spyware, and potentially unwanted programs. During its development, we thoroughly examined contemporary antivirus requirements, leading to a product that effectively fulfills these expectations. NANO Antivirus Sky Scan offers the capability to analyze files using a cloud-based scanner. Furthermore, with NANO Antivirus Sky Scan, users can conveniently manage the NANO Antivirus software on their devices, swiftly access system protection status updates, and view the latest news directly within the application interface. Specifically tailored for touchscreen devices, NANO Antivirus Sky Scan enhances user experience while maintaining robust security. This innovative approach ensures that users can navigate their antivirus features with ease and confidence.

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.

We offer complete protection for your website with our continuous security monitoring available around the clock. In the event of a hacker assault or virus infiltration, our team will promptly clean and restore your site. Our dedicated situation room monitors your website 24 hours a day, every day of the year. Should an attack happen, our software engineers will receive immediate alerts, allowing them to safeguard, clean, and repair your website as quickly as possible. We guarantee that your website will be cleaned and restored within 12 hours. You will also receive email reports and alerts to keep you informed. Our technical support is available 24/7 to assist you whenever needed. With CWIS Premium, you can expect top-notch protection at an affordable price, along with tailored recommendations to enhance your security measures further. Additionally, our proactive approach ensures that you remain one step ahead of potential threats.

It detects spyware, viruses, and malware and safely removes them from your computer to keep it as safe as possible. This program can be used in conjunction with your main antivirus. It detects malicious items that you wouldn't know existed. Flexible scheduling for automatic scans. Your computer is more secure because it can detect items that your antivirus might miss. This keeps your computer safe and secure, giving it the peace of mind that you need. It is compatible with any antivirus brand. It scans your system memory for any malicious programs. Detects cookies that track and collect personal data. Security issues are checked in the system and temporary folders. Analyzes suspicious entries in the registry and auto-start items. Verifies the safety of programs that are set to auto-start according to the task schedule. To prevent data leaks, scan browser extensions. Quick scan that analyzes the most critical areas where threats are found.

Ensuring that harmful code, whether from PHP platforms like WordPress, Joomla, or Drupal, or from traditional static HTML, is kept away from your files is crucial for safeguarding your websites. ImunifyAV serves as a free malware scanner that meticulously scans files to detect malicious code, promptly alerting you to any potential threats on your sites. It functions as a standard antivirus solution, performing routine background checks on files to maintain a clean server environment. Additionally, an On-Demand Antivirus feature allows both administrators and end-users to manually scan any specific folder for malware at their convenience. Utilizing antivirus solutions specifically designed for Linux servers is highly advisable to protect against malicious attacks, harmful bots, spam, and worms that could adversely impact daily operations and revenue. By implementing these security measures, you can significantly reduce the risk of website compromise and enhance the overall integrity of your online presence.

K7's Antivirus for Mac operates seamlessly in the background, ensuring that your Mac's performance remains unaffected. For over a decade, it has been recognized as one of the top antivirus solutions among numerous international contenders. The software is designed to identify and remove threats instantly. Additionally, K7 conducts automatic scans of all connected devices, networks, and websites, maintaining your security at all times. It performs real-time scans on every file as it is accessed, effectively blocking or removing any infected items. The user-friendly interface simplifies operations with one-click functionalities for essential tasks. It is capable of detecting threats specific to both Mac and non-Mac systems, including viruses, spyware, trojans, worms, and adware, whether they reside on your computer, network drives, external disks, or arrive via downloads and email. Regular updates are provided quickly, along with OS X-style notifications to ensure you can respond promptly to any emerging threats. This comprehensive protection allows users to navigate their digital environments with confidence.

Bitdefender Free Antivirus is a powerful cybersecurity solution that delivers professional-grade protection without the price tag. It defends your computer from viruses, ransomware, phishing attacks, and emerging online threats through intelligent detection and instant response. The software runs quietly in the background, ensuring a secure digital experience without pop-ups or system slowdowns. Whether your device is already infected or brand new, Bitdefender’s free antivirus scans, cleans, and safeguards it automatically. Its cutting-edge behavioral analysis identifies suspicious activity before it can do harm, while daily updates keep you safe from zero-day vulnerabilities. Unlike many “free” tools with hidden limitations, Bitdefender Free is genuinely cost-free and non-intrusive. It’s available for multiple platforms including Windows, macOS, Android, and iOS, making it a universal protection choice. With Bitdefender, you gain the same trusted technology that powers enterprise-level security—now optimized for personal use at no cost.

Adaware Protect serves as a comprehensive security suite that incorporates the Adaware Safe Browser, enhancing your online safety. This suite ensures that your entire computer is shielded from potentially harmful websites, effectively blocking unsafe sites while providing visibility into applications attempting to reach malicious or questionable URLs. With a simple click, you can prevent hackers and spyware from gaining access to your camera and microphone, making it convenient to secure your setup before a video call. The Adaware Safe Browser enhances your web experience by offering a quicker and more private means of navigating online. It eliminates ads to enhance browsing speed and blocks cookies and trackers to safeguard your privacy. Additionally, it features a private search option to keep your search activities confidential. You can customize your favorite features to maximize your PC's efficiency while benefiting from the ability to scan and eliminate unnecessary files and applications through Adaware Protect. In today's digital landscape, maintaining the security of your computer is simpler than ever before! With Adaware Protect, you can confidently explore the internet, knowing that your personal information and devices are well-protected.

Adaware Antivirus provides robust protection for your computer against various online threats, allowing you to concentrate on what truly matters, whether it's socializing with friends, managing your email, or enjoying videos. The Windows version of Adaware Antivirus offers features like the ability to schedule daily scans, access real-time security, and tackle suspicious activities, ensuring your Windows devices remain secure. By downloading the free edition, you can utilize its security features across all your favorite devices. With award-winning malware protection, it effectively defends against viruses, ransomware, spyware, and other malicious software. You can browse and shop online with confidence, as it prevents hackers from gaining access to sensitive information on your Windows devices, including those running Windows 10, all at no cost. It also includes email protection and advanced antispam filters to shield your inbox. Furthermore, with malicious URL detection, you can steer clear of online scams, while scanning all downloads to prevent potential harm to your PC. In addition, it actively blocks harmful processes and infected files, offering real-time defense for your digital activities.

Discover the top free online virus scanner that effectively uncovers hidden dangers lurking on both your PC and Mac. It’s essential to determine whether your files are secure and to prevent harmful software that may exist outside of your files. Many threats can compromise your device's safety before you even become aware of them. HouseCall provides a solution to restore your device to its normal functioning state. The comprehensive report generated will outline the threats that have targeted your device, allowing you to take prompt action. HouseCall offers you the flexibility to select from a quick scan or a more thorough full scan, and you even have the option to create a custom scan tailored to your needs. This service allows you to identify and eliminate viruses, worms, spyware, and various other malicious threats completely free of charge. HouseCall efficiently detects new threats on your Windows or Mac computers without interfering with your existing security software. You can trust HouseCall to keep your device free from harmful files and prevent their proliferation. Additionally, HouseCall for Home Networks extends its scanning capabilities to all devices connected to your home network, identifying vulnerabilities and providing recommendations for addressing them effectively.

Elevate your security beyond just the top antivirus and virus removal tools for Android! The newest mobile antivirus solutions offer exceptional protection while also functioning as a phone cleaner and booster. Additionally, safeguard your privacy with a complimentary VPN service that not only encrypts your data but also allows you to browse anonymously and access geo-restricted content. This software can scan for, block, and eliminate viruses, spyware, and malware. You can check if any of your email addresses or accounts have been compromised by third-party breaches, and it assists in locating, tracking, and recovering your lost or stolen device. It also provides insights into which applications are requesting access to your sensitive information. With features that protect your camera and microphone, it ensures no one can eavesdrop on you through your device. A secure PIN can safeguard your sensitive applications, including chats and calls, while also showing other devices connected to your Wi-Fi network. You have the option to utilize either free or premium features. For Android users seeking the pinnacle of antivirus protection, Avira Antivirus Security emerges as a holistic solution, combining security and anti-malware capabilities into one powerful application. Its multi-faceted approach ensures you have the tools necessary for complete device safety and privacy.

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.

Anti Malware delivers proactive defense against harmful threats, continuously monitoring, blocking, and alerting users when malware is identified. This software ensures comprehensive protection against online dangers while maintaining a minimal impact on CPU performance thanks to its sophisticated detection engine and algorithms. It carries out automatic scans of the computer for potential threats based on a predetermined schedule and offers additional features such as a secure file eraser, history cleaner, and start-up manager, all aimed at maintaining both security and peak system performance. Providing an entirely automated PC safeguard, Anti Malware diligently oversees and responds to threats in real-time. Furthermore, it effectively detects and removes threats that may be obscured within unconventional sub-folders and hard drive areas, ensuring that your computer's security status remains at its best. By utilizing this software, users can enjoy peace of mind knowing that their devices are consistently protected against evolving malware risks.

Shield Antivirus provides comprehensive defense against modern viruses, malware, ransomware, trojans, and spyware for both desktop and laptop users. It employs proactive protection strategies that continuously monitor, block, and issue alerts in the event of any detected threats. The software is designed for easy installation and boasts extensive monitoring functions along with email safeguarding by identifying and isolating potential threats in incoming messages. Additionally, Shield Antivirus ensures robust protection against internet-related dangers while maintaining a low CPU usage thanks to its sophisticated detection technology. It is programmed to automatically perform scheduled scans for threats and comes equipped with supplementary tools, including a secure file eraser, history cleaner, and startup manager, all aimed at keeping your computer secure and functioning optimally. This multifaceted approach ensures that users can enjoy a safer online experience without compromising performance.

RogueKiller boasts a robust engine that enables it to detect both known and unknown types of malware effectively. It can identify and eliminate various threats, including viruses, ransomware, and trojans. With its cutting-edge Artificial Intelligence and cloud signature technology, RogueKiller stands out as one of the top choices for virus removal available today. Experience our complimentary virus cleaning tool right away. This antimalware software is equipped with advanced protection features to keep your system safe from threats. Its real-time protection capabilities ensure that harmful programs are blocked before they can run. Safeguard your vital documents against potential corruption and theft, especially given the rising risks associated with ransomware attacks. Additionally, RogueKiller includes a unique clipboard protection feature that actively monitors suspicious applications, preventing them from accessing or altering sensitive information from your clipboard. This comprehensive approach offers users peace of mind in an increasingly digital world.

Robust safeguards against various cyber threats, along with a theft prevention system and parental controls, will ensure optimal security for your devices and those of your family members. It effectively blocks phishing attempts and other potentially harmful websites. To maintain the highest level of security, the database of malicious websites is refreshed multiple times each day. The Battery module not only shows the current charge level but also offers features like a history of battery usage and options for power conservation. This feature enables users to easily clear the phone's cache and remove unnecessary files, along with the option to selectively clear the downloads folder. Furthermore, the system includes an antivirus scanner that protects against harmful links. Users will appreciate the program's user-friendly interface, which simplifies the process of configuring and managing device security. Additionally, it automatically conducts virus scans on all installed applications, ensuring continuous protection against emerging threats.

Antivirus AI utilizes advanced artificial intelligence to proactively combat malware threats and ensure user protection. This technology continuously evolves, learning from emerging threats, and when any suspicious spyware is identified on a user's device, such as a smartphone in Paris, it is thoroughly analyzed in the AI cloud. If this malware is deemed dangerous, immediate protection measures are implemented for all users globally. With regular usage of Antivirus AI, its detection capabilities improve, enhancing the overall security for users around the world. This system elevates malware detection by integrating the strengths of two antivirus engines, allowing one to compensate for the weaknesses of the other, thereby achieving nearly flawless detection. Furthermore, Antivirus AI is capable of identifying espionage attempts and sophisticated threats like APTs (Advanced Persistent Threats) and Trojans often associated with governmental entities. By continually refining its algorithms, Antivirus AI aims to stay one step ahead of cybercriminals, ensuring a safer digital environment for everyone.

Stellar Antivirus leverages an extensive array of metrics to safeguard your devices effectively. With real-time protection, you will receive notifications whenever any activity occurs on your device. The auto-scan feature conducts comprehensive scans at random intervals, ensuring thorough 360-degree protection at all times. Additionally, the online-guard feature provides an added layer of security for your digital activities. You have complete visibility into Stellar Antivirus's operations, allowing you to see every scan and detection that takes place. Utilizing over a billion metrics, this antivirus solution is designed to protect against a wide variety of viruses. Each metric serves a specific purpose, ensuring robust defense for your privacy and security. Stellar Antivirus operates seamlessly in the background, keeping you informed about any significant events on your device. It's essential to remain aware of what transpires on your devices to take timely action when necessary. With continuous protection, you can relax and enjoy peace of mind knowing that your security is in capable hands. Moreover, the software's user-friendly interface makes it easy to monitor your device's status and adjust settings as needed.

RAV Endpoint Protection represents a cutting-edge antivirus solution that employs AI-driven Endpoint Detection and Response (EDR) technology to deliver immediate defenses against sophisticated cyber threats. Its streamlined engine demands less from device resources than traditional antivirus software, allowing for smooth performance without requiring technical know-how. This platform provides thorough online safety alongside identity monitoring, protecting users from various threats such as phishing, ransomware, and adware while they navigate the internet. Furthermore, it features digital identity management tools, including personal data monitoring and dark web scanning, which notify users if their identity has been compromised. The innovative ransomware defense and malware detection capabilities use sophisticated heuristics to identify and warn users about potentially unfamiliar ransomware risks. Notably, RAV Endpoint Protection also prioritizes user privacy with protective measures for webcams and microphones, effectively reducing possible access points for cybercriminals. By combining these features, it creates a robust security framework that adapts to the evolving landscape of cyber threats.

Bitdefender Mobile Security is an all-encompassing application designed to protect smartphones and tablets from various threats such as malware, phishing attacks, and the risk of losing devices. It incorporates a robust multi-layer antivirus engine that includes scanners for apps, downloads, and storage to shield against viruses, ransomware, and adware. Additionally, its web protection feature effectively blocks access to phishing websites and unsafe browsers. The app provides real-time detection of app anomalies, keeping an eye out for suspicious activities in installed applications. There's also a scam-alert function that inspects text messages, chat applications, and notifications for harmful links. For users concerned about device theft, the anti-theft tools allow for remote location tracking, locking, or wiping of the device. Furthermore, it offers an app lock to secure sensitive applications with a biometric scan or PIN, alongside a VPN service that allows for 200 MB of encrypted mobile traffic daily. Operating on a cloud-to-device model, the app is designed to minimize battery consumption while ensuring comprehensive security. In addition to these features, it also monitors account privacy, notifying users if their email addresses are potentially compromised, thereby enhancing overall digital safety.

Bitdefender Small Business Security provides robust, enterprise-level cyber-defense tailored for smaller companies, ensuring protection across various platforms including Windows, macOS, iOS, and Android. With a centralized management system that is user-friendly, it allows organizations lacking dedicated IT personnel to efficiently implement and oversee their security measures from a single interface. The solution features a multi-layered approach to endpoint protection, incorporating machine learning, behavioral analysis, real-time monitoring, process termination, and rollback capabilities to safeguard against both known and emerging threats. Additionally, it includes ransomware prevention and remediation strategies that detect unusual encryption activities and facilitate file recovery from backups. Users are also protected against fileless attacks, with measures like memory and back-injection interference as well as script blocking. The software further enhances security by preventing phishing and fraud through the blocking of malicious websites and alerting users accordingly, while offering advanced exploit protection with real-time shields for common applications such as browsers, Office software, and Adobe Reader, thus ensuring all-encompassing endpoint security. This comprehensive suite of features makes it an ideal choice for small businesses seeking to fortify their cybersecurity defenses.