To test if your antivirus is in good shape you should do as in continuing:
Open Notepad and copy this text:
Then save file as “eicar.com” including quotation-marks
After some seconds saving this file your antivirus should come with the message that this file is infected virus asking permission for its deletion/clean.
This file is secure and its not gonna infect your computer in whatever way. It is a standart text developed by the European Institute for Computer Anti-virus Research (EICAR).Every antivirus is programed to load this file as a virus.
If your antivirus is not going to hack this file as a virus, in your screen will appear DOS window with this text EICAR-STANDARD-ANTIVIRUS-TEST-