it's simple to check just follow these steps

1: Open notepad

2: Copy this code in the text file....

3: X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H

4: then save it with the name fakevirus.exe If this file got deleted immediately ....that means ur antivirus is working n updated ..