![]() Technically, this is done using dynamic translation, a method much faster than traditional emulation techniques. Secondly, it is used in the heuristics engine. The code emulator is used for two purposes. 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. Most of the collected samples are analysed by a number of automated processes and only a small fraction of the samples need to be processed manually by our virus analysts. This is a unique source of data made possible only thanks to our huge user base. ![]() Most samples we process come from sensors deployed throughout the avast! community in the Behavior shield and anti-rootkit modules. This enables even unknown rootkits to be detected and stopped before they can do any damage. Unique “on access” technology checks all kernel-mode drivers that the operating system is loading for signs of rootkit behavior. ![]() State of the art scanning engine provides reliable protection against viruses, spyware and other forms of malicious software.
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