Security must not be a privilege. Under this motto, Emsi Software provides the Malware scanner a-squared Free completely free of charge for private use. But it is not a very limited version, it is a full tool to clean your computer from Malware. Not only Spywares, as detected by classic Anti-Spyware programs, but also especially Trojans, Worms, Backdoors, Dialers, Keyloggers and a lot of other destructive pests, which makes it dangerous to surf the web. Trojans and Backdoors provide strangers with access to your PC. Once a Backdoor is installed, an attacker can take full control of your computer.