Avira is a freemium antivirus engine that offers real-time malware detection and blocking. It comes in various packages for home, business, and mobile use, with additional features such as software updater, password manager, VPN, system analyzer, ransomware protection, and antiphishing tools. It also has a gamer mode and examines USB drives and incoming email for threats. The speedup feature identifies junk and registry flaws, implements a power-saving mode, and shreds files to make the computer run faster. Other features include a password manager, phantom VPN, and applock.