If you have any suspicious about viruses on your computer you need to use an updated Antivirus program to search and remove viruses.
In case of Windows 8 and 8.1, the antivirus application is already installed and ruining in the background. Usually, if viruses are detected you are noticed. In case of older operating systems like Windows 7, Vista or XP, you need to manually install an antivirus software.
Therefore… to scan for viruses you need to:
Scans, detects, and removes viruses, spyware, Trojan horses, worms, bots, and more.
Kaspersky Anti-Virus 2011 – the backbone of your PC’s security system, offering real-time automated protection from a range of IT threats. Kaspersky Anti-Virus 2011 provides the basic tools needed to protect your PC. Our award-winning technologies work silently in the background while you enjoy your digital life.
Norton Reputation Service instantly checks where files came from and how long they’ve been around to identify and stop new crimeware faster than other, less sophisticated security software. Norton Protection System uses several overlapping layers of protection that work together to stop viruses, spyware and Read More
Here you can find a list of 5 free anti-viruses software, best of them. These solutions are recommended for home users. Read More