Avast Antivirus provides comprehensive protection for your Android devices. This guide will help you to install it on your device. Avast Antivirus is a comprehensive antivirus app for Android that protects you from viruses, phishing and SMS scams. The app also features a cloud-based malware scanner to detect any threats in the future and offers realtime protection against ransomware, spyware, Trojans and other harmful apps. Avast Antivirus helps protect against phishing scams by sending you important text messages with safety tips to avoid being tricked into giving away sensitive information like passwords or banking details. It also scans any suspicious texts that come through your phone so that it can block them before they reach you.