Test Your Anti-Virus You can also test your anti virus program for its effectiveness using a simple notepad trick. Follow the steps below to know more: Open Notepad. Copy the code give below in the notepad file: X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H* Save it with an .exe extension like testvirus.exe As soon as you save this file, your anti virus program will detect the file (virus) immediately and will attempt to delete it. If this happens then your Antivirus is working properly. If not, then its time to look for some other reliable program. NOTE: The EICAR test file (#3) is a 16-bit application and cannot be run on 64-bit versions of Windows.