Antivirus is a term given to a protective software specifically designed to protect computers against malicious software. Malicious software or Malware includes Viruses, Trojans, Key loggers and hijackers that steals the contents from the computer.
Viruses are normally spread through:
• E-mail attachments
• Rogue Websites
• Networks
• Infected Boot Disks
• Phishing Schemes
• Infected Software
• Hackers
• Instant Messaging
• Fake Antivirus Software
• From Mobile Device