Test your antivirus efficiency
You can easily test your anti-virus program with a simple notepad trick, so that you can easily know the efficiency of your anti-virus program
Copy & paste the code below in notepad
Save file as “checkantivirus.com” including quotation-marks
After sometime scan this file with your anti-virus program, it will surely detect the file a virus, then make sure that your anti-virus is working properly
if not, this is a right time to change your anti-virus & try for some another..