Protect against viruses & other types of malware with Avast Mobile Security, our free antivirus app for Android. Trusted by over million people. Protect your privacy by receiving alerts when spyware or adware-infected apps are downloaded onto your device. Secure your device against phishing attacks from emails and infected websites. Turn on the VPN to keep your online browsing private and safe, as well as to access your favorite paid streaming services when traveling abroad. Get alerts when your passwords have been compromised by hackers. Avoid scams with advanced scans and alerts. With more than million installs, Avast Mobile Security & Antivirus provides much more than just antivirus protection. Scam Protection: Protect yourself from scammers with advanced security features and smart alerts. App Lock: Keep your sensitive content secure and private by locking any app with a PIN code, pattern, or fingerprint password. Only youll be able to access them. Remove Ads: Eliminate ads from your Avast Mobile Security & Antivirus experience. Avast Direct Support: Contact Avast directly from the app to receive quick responses to your inquiries. Finally, Ultimate users can enjoy our VPN (Virtual Private Network) as well - Hide your online activities from hackers and your ISP by encrypting your connection. You can also change your location to access your favorite paid streaming services from anywhere. Antivirus Engine: Automatically scan for viruses and other kinds of malware, including spyware, Trojans, and more. Web, file, and app scanning provides complete mobile protection. App Insights: Discover how much time you spend using each app on your device and take back control of your phone-life balance. Junk Cleaner: Instantly clean out unnecessary data, junk files, system caches, gallery thumbnails, installation files, and residual files to give you more space. Photo Vault: Secure your photos with a PIN code, pattern, or fingerprint password. After moving photos to the Vault, they are fully encrypted and only accessible to you. Web Shield: Scan and block malware-infected links, as well as Trojans, adware, and spyware (for privacy and safe web browsing, e.g. Chrome). Wi-Fi Security: Check the security of public Wi-Fi networks, browse safely, and make secure online payments from anywhere. Hack Alerts: See which of your passwords have been leaked with a quick and simple scan, so you can update your login credentials before hackers infiltrate your accounts. This app uses the Device Administrator permission. This permission allows you to remotely lock and wipe your device from my.avast.com. This app uses the Accessibility permission to protect visually impaired and other users against phishing attacks and malicious websites.