Kaspersky Anti-Virus 2011

• Kaspersky Anti-Virus features include real-time protection, detection and removal of viruses, trojans, worms, spyware, adware, keyloggers malicious tools and auto-dialers, as well as detection and removal of rootkits
• It also includes instantaneous automatic updates via the "Kaspersky Security Network" service.
• Windows users may download an Anti-Virus Rescue Disk that scans the host computer during booting inside an isolated Linux environment
• Specialized editions of Kaspersky Anti-Virus are also available for a variety of Linux servers and offer protection from most forms of malware.
• Kaspersky Anti-Virus prevents itself from being disabled by malware without user permission via password access prompts upon disabling protection elements and changing internal settings.
• It also scans incoming instant messenger traffic, automatically disables links to known malware hosting sites

New AVGANTI-VIRUS FREE EDITION

•  AVG Internet Security is a full suite which brings together the AVG Anti-Virus, Anti-Spyware, LinkScanner, Anti-Rootkit, Web Shield, Security Toolbar, Firewall, Anti-Spam, Identity Protection and System Tools protection components.
•  AVG Identity Protection provides protection against identity theft and unknown malware threats using behavioral monitoring. AVG Anti-Virus plus Firewall provides the Anti-Virus, Anti-Spyware, LinkScanner, Anti-Rootkit, Web Shield, Security Toolbar and Firewall protection components.
• AVG Anti-spyware was a rebranded version of ewido Anti-Spyware,[6] that was integrated into AVG Anti-Virus as of version 8.0. A free version was also available, having now been merged into AVG Anti-Virus Free Edition

Norton 360™ security software

• The package includes a personal firewall, phishing protection and the ability to detect and remove malware.
• Norton 360 is compatible with 32-bit editions of Windows XP and 32-bit or 64-bit editions of Windows Vista.[1][2] Windows 7 support has been added.[3]
• Reviews cited Norton 360's low resource usage, relative to Norton Internet Security 2007, and phishing protection.
• Systems were benchmarked with a clean installation of Windows Vista, then with a security suite installed
• In Windows XP, a 300 megahertz processor, 256 megabytes of RAM, and 300 MB of hard disk space is required. Under Vista, an 800 MHz processor, 512 MB of RAM, and 300 MB of hard disk space is required.