Avast! Free Antivirus 5.0.677 often outperforms our competitors´ paid products and is the minimum protection you should have — it provides great protection against viruses and spyware. But for best protection against the latest and constantly changing internet threats . Antivirus and anti-spyware engine State of the art scanning engine provides reliable protection against viruses, spyware and other forms of malicious software. Real time anti-rootkit protection Unique "on access" technology checks all kernel-mode drivers that the operating system is loading for signs of rootkit behavior. This enables even unknown rootkits to be detected and stopped before they can do any damage. Code emulator When a suspicious executable is encountered (during both on-demand and on-access scanning), avast! is able to emulate the program’s code in an isolated environment. The code emulator is used for two purposes. First, it is used for generic unpacking. Secondly, it is used in the...