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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Eicar.Mod

Threat LevelLow threatDamageHighDistributionNot widespread
Common name:Eicar.Mod
Technical name:Eicar.Mod
Threat level:Medium
Type:Virus
Affected platforms:

MS-DOS

First detected on:July 18, 2003
Detection updated on:March 4, 2009
StatisticsNo
Proactive protection:
Yes, using TruPrevent Technologies

Brief Description 

    

Eicar.Mod is a modified version of the test file Eicar. The test file Eicar is not a real  virus, but a program for MS-DOS that is used to check the effectiveness and quality of antivirus programs and tools for detecting viruses. Panda Antivirus detects this test file as EICAR-AV-TEST-FILE.

The test file Eicar was created by the Eicar international organization, and it was updated on May 1, 2003 in order to guarantee a better effectiveness.

Being Eicar.Mod a modified version of the real test file Eicar, it coud contain some viral code.

Visible Symptoms 

    

When the test file Eicar is run, it displays the following message on screen:

EICAR-STANDARD-ANTIVIRUS-TEST-FILE!

However, being Eicar.Mod a modified version of the test file Eicar, it could show the same message or others.