Threat Description



Aliases:EICAR, Eicar-test-file, Eicar_test_file
Category:Clean - Not Malware


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


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting or renaming it. For more information, see: Support Community article: Testing your virus protection with EICAR test file.

Technical Details

EICAR is the European Institute of Computer Anti-virus Research (

The EICAR Standard Anti-Virus Test file is a special dummy file which is detected exactly as if it were a virus. It is used to test the correct operation of F-Secure Anti-Virus products; it is also detected by several other antivirus products in a similar manner.

The most common uses for the EICAR test file are:

  • Confirms the anti-virus application is installed correctly
  • Demonstrate what happens when a virus is found
  • Check internal procedures and reactions when a virus is found

When executed, the EICAR test file will simply display the text "EICAR-STANDARD-ANTIVIRUS-TEST-FILE!" and exit.

Using and Creating An EICAR file

Users who would like to check the correct operation of their F-Secure Anti-Virus products can download the EICAR test file from the following links:

Alternatively, to create an EICAR test file, use any text editor to create a file with the following single line in it:


Save the file with any name using a COM extension; for example, EICAR.COM. Make sure you save the file in standard MS-DOS ASCII format. Now you can use this file to demonstrate what occurs when a virus is detected.


Suspect a file or URL was wrongly detected? Submit a sample to our Labs for analysis

Submit Now

Give And Get Advice

Give advice. Get advice. Share the knowledge on our free discussion forum.

Learn More