www.f-secure.com/v-descs/eicar.shtml

The EICAR Standard Anti-Virus Test file is a special 'dummy' file used to check and confirm the correct operation of security products.

en.wikipedia.org/wiki/EICAR_test_file

The EICAR Standard Anti-Virus Test File or EICAR test file is a computer file that was developed by the European Institute for Computer Antivirus Research (EICAR) and Computer Antivirus Research Organization (CARO), to test the response of computer ant ...

www.eicar.org/86-0-Intended-use.html

eicar combines universities, industry and media plus technical, security and legal experts from civil and military government and law enforcement as well as privacy protection organisations whose objectives are to unite non-commercial efforts against w ...