Antivirus software plays an active role towards the prevention of hidden threats in web which can affect the computer. The explosion with World Wide Web is always prone to the interaction of unknown threat which can ruin the computer. Thomas R, Nachamai M, Performance Investigation of Antivirus- A Comparative Analysis.

KEYWORDS:Īntivirus Computer scan Virus Performance Testing Through the analysis Bitdefender performance is better than other selected antivirus. The parameters used to analyze the performance are quick scan, full scan and custom scan with respect to time. The performance is tested based on the time acquired by each antivirus to act on a computer. This paper specifies the performance of (McAFee, Avast, Avira, Bitdefender, Norton) antivirus and its effectiveness on the computer. Virus perform harmful task on affected host computer such as possessing on hard disk, CPU time, accessing private information etc. Virus is a malicious software program which replicates by copying its code multiple times or by infecting any computer program (like modifying the existing program) which can affect its process. All gadgets which interact with open network are prone to virus. Antivirus as name implies prevent the devices such as computers, mobiles and pen-drive from viruses.

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