Top 5 Free Antivirus

1.Avira AntiVir Free Antivrius:
                                           Avira's AntiVir has been a player in the security world for some time; however, in 2008 its status boomed because of its remarkably strong detection rates. It still remains near the top of independent antivirus efficacy tests, but while the 2009 version more or less kept pace with the competition, the 2010 edition isn't quite as good as it could be.

 Here are some key features of  Avira AntiVir Personal   Free Antivirus:

1. · AntiVir protection against viruses, worms and Trojans AntiDialer protection against expensive dialers
2. · AntiRootkit protection against hidden rootkits
3. · Faster Scanning up to 20% faster
4. · AntiPhishing protection against phishing
5. · AntiSpyware protection against spyware and adware NetbookSupport for laptops with low resolution
6. · QuickRemoval eliminates viruses at the push of a button

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2.AVG Free Antivirus:
                                        The AVG Free Edition application provides basic protection for surfing, searching and social networking.  Millions of people around the world use AVG Anti-Virus Free for their basic online activities. Whether it’s surfing the Internet, conducting web searches, or simply keeping up with friends on Facebook, AVG Anti-Virus Free has got you covered.

Features:

1.  Surf and search with confidence AVG LinkScanner's real-time protection
2.  Stay protected on social networks with AVG Social Networking Protection
3.  Enjoy a faster running PC AVG Smart Scanning works while you're away and runs in low-priority mode when you return
4. Stay up-to-date with the latest threat information from the AVG Community Protection Network and AVG Protective Cloud Technology

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 3.Avast Free Antivirus:
                                    Avast! Free Antivirus is perfect for people who send e-mails and surf popular websites. avast! is a package of applications that aim to protect your computer from a possible virus infection or other malware threat. If you use it correctly, and in combination with other programs such as data backup utilities, it will significantly reduce the risk of your computer being attacked or infected by a virus, and thus the risk of losing important or private data. 
 

Features:

Core and detection:
· 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.
  
Scanning:
· Boot-time scanner
· Allows you to scan your computer for infections before the operating system has started and before a virus can be activated (32-bit operating systems only).
 
Command-line scanner:
· Enables you to run a scan directly from the command line.

Wake-up for scan:
· Microsoft Windows is woken from sleep or hibernation mode, performs a scheduled scan, then returns back to sleep mode.

Scheduled scanning:
· Allows users to define the scan time and files to be scanned.
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4.Panda Cloud Free Antivirus:
                                                      When it originally debuted, Panda Cloud Antivirus was notable as a free security solution for two reasons: Panda traded on its reputation as a solid security suite vendor making its first foray into the realm of freeware, and the program attained its goal of freeing up system resources by putting much of the program's heavy lifting in the cloud. Now we can add a third reason to the list: it's now known as an effective alternative to the security powerhouses.

 Features:

1. MPROVED! Protection against all types of malware - Protects you in real time against all types of known and unknown malware, thanks to the knowledge gathered from the panda Community.
    
2. Collective Intelligence - A new threat is identified and in a matter of seconds all Panda Security’s customers worldwide are protected.
    
3. Personal Firewall - Firewall with WiFi security that blocks intruders and hackers, even in your wireless network.
    
4. IMPROVED! Panda USB Vaccine - Panda USB Vaccine protects your PC and USB drive from infection.

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5.ESET NOD32 Free Antivirus:
                                                          ESET NOD32 Antivirus proactively detects and disables viruses, trojans, worms, adware, spyware, phishing, rootkits and other Internet threats. ESET NOD32 Antivirus provides: 1) Proactive Protection - multiple layers of detection protecting you from Internet threats before it is too late.

 

 
Features:

1.  Energy-sipping battery mode extends laptop battery life without compromising security
2.  Advanced Protection Status screen informs you of threat detections
3.  Information pop-ups are hidden when running full screen applications like games, video players or presentations
4.  Password protection prevents ESET NOD32 Antivirus from being uninstalled by strangers
5. New interface and keyboard shortcuts simplify use for visually impaired users

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