- Security
- Privacy
- Performance
Scan for and remove malware and other threats. Avast offers free, real-time anti-malware protection against current and future infections. Our scanner and malware cleaner will help secure your devices with award-winning, malware-fighting software trusted by experts.
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We’ve packed the world’s largest threat-detection network and machine-learning malware protection into a single, lightweight malware scan and removal tool. It can remove malware from your computer and help keep it off your device in the future. Get powerful anti-malware security that won’t slow down your PC — 100% free.
Scans for and removes existing malware, and is constantly updated to block new and emerging threats.
Isolates harmful files from the rest of your computer to keep your device free of malware and other threats.
Monitors apps and files for suspicious behavior that might indicate malware or other threats.
Alerts you if any of your apps start behaving suspiciously, which could result from a potentially unwanted program.
Blocks dangerous websites from loading while you browse online and unsafe attachments from downloading.
Helps detect and stop hackers from installing malware to access and lock your files.
Scans for and removes existing malware, and is constantly updated to block new and emerging threats.
Isolates harmful files from the rest of your computer to keep your device free of malware and other threats.
Monitors apps and files for suspicious behavior that might indicate malware or other threats.
Alerts you if any of your apps start behaving suspiciously, which could result from a potentially unwanted program.
Blocks dangerous websites from loading while you browse online and unsafe attachments from downloading.
Helps detect and stop hackers from installing malware to access and lock your files.
Avast Free Antivirus is powered by an industry-leading antivirus engine that's been winning awards for years. Security test labs and industry experts agree that Avast's cybersecurity protection is among the best in the world.
Our trophy case is full of awards from industry-respected sources, including:
Think your Mac is infected? Afraid you’ve got malware on your Android or iOS phone or tablet? Don’t panic. We’ve got you covered there, too.
Avast’s virus detection engine stands out for its unmatched effectiveness and ease of use. It doesn’t just detect and eliminate malware — it proactively shields your device from threats before they strike. With over 7.5 billion attacks blocked in 2023 alone, you can trust Avast to deliver the protection you deserve.
