What is Avast Antivirus software and what are its features?

Avast Antivirus software is a comprehensive security solution designed to protect computers and mobile devices against a wide range of threats, including viruses, malware, spyware, ransomware, and phishing attacks. Its features include real-time protection that constantly monitors the system for suspicious activity, automatic virus definition updates ensuring the latest protection against new threats, a robust firewall to shield against unauthorized access, a sandbox environment to safely run dubious files, a behavior shield to identify unusual behavior patterns in applications, and a smart scan that combines antivirus, software update, network security, and performance checks into one streamlined process. Additionally, Avast offers various other functionalities such as a password manager, a secure web browser, and an anti-track feature to preserve user privacy online.