An antivirus is computer security software that is developed to remove viruses, worms, malicious programs, Trojans, spyware, adware and rootkits.

There are numerous antivirus software available in the market and selecting the best antivirus for your computer might be a challenging task.

To select the best antivirus you have to consider the following:

• Ability of an antivirus software to detect malware of all types

• Ability of antivirus software to remove that malware

• Effect of the software on performance of computer and its efficiency

• Price of the antivirus suit

• Compatibility

• Features

• False Positives (Lower number indicates better performance)

 

Antivirus software usually used three basic methods for detecting, blocking and removing viruses. These methods include:

• Signature based scanning

• Behavioral Scanning

• Rootkit detection

 

Based on the above criteria 5 best antivirus software available in the market are:

1. Bit Defender Antivirus

2. Norton Antivirus

3. Kaspersky Antivirus

4. Webroot Antivirus

5. ESET NOD32 Antivirus