The Avast Antivirus products include free and proprietary versions that provide computer security, browser security, antivirus software, firewall, anti-phishing, antispyware, and anti-spam among other services. Several ways to remove Avast antivirus, normal and complete (the antivirus settings are damaged or Avast is not displayed in the list of installed programs).Īvast Antivirus is a family of internet security applications developed by Avast for Microsoft Windows, macOS, Android and iOS.