avast Antivirus software provides complete virus protection for your computer. Antivirus engine is complemented by anti-spyware, firewall and antispam modules. And they protect you against phishing schemes, identity theft and internet distributed web viruses. It creates an isolated virtual desktop, invisible to any possible attacker, where you can do your online shopping and banking securely. avast! SafeZone opens a new (clean) desktop so that other programs don’t see what’s happening – and it leaves no history once it’s closed.