The Kaspersky AntiVirus 2011 (1 User) gives your PC premium protection against viruses, spyware, worms, Trojans, bots and more. This desktop security software provides comprehensive defense against phishing and identity theft. Advanced technology helps you keep your digital identity and passwords safe and secure when you're shopping, banking or browsing social networks online. This Kaspersky antivirus software provides real-time detection while downloading files from the web. The customization feature allows you to set your own security options. The system watcher monitors and analyzes system activity, and its multi-layer protection provides regular updates, application alerts and more.