Test your antivirus if it is working or not ?

Copy the code written below in a notepad in a notepad and save it as any name.exe (say virus.exe)

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

If your antivirus detect it then it is working properly otherwise you should change your antivirus.