When you upload a file into Google Drive it is automatically indexed, enabling the amazing search facility Drive users have come to expect. This process also enables Google to screen for malware/viruses. When you attempt to download a file which has been flagged as harmful you will receive a warning.

If you are the owner of the file you receive a warning and are given the option to go ahead and and download the file.

If you are not the owner of the file you see a warning message and are unable to download the file.

You can safely test this functionality by using an ‘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 antivirus (AV) programs. Instead of using real malware, which could do real damage, this test file allows people to test anti-virus software without having to use a real computer virus.”

  • Create a text file containing the EICAR string:

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

  • Upload the file to Google Drive Attempt to Download it

*Note the warning generated