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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Erase

Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Erase
Technical name:CMOS.Erase
Threat level:Low
Alias:DelCMOS.B, Int7F-E9, Feint
Type:Virus
Effects:  

It infects the boot sector of floppy disks and of hard disks. It renders floppy disks with a size other than 1.44 MB unusable. It prevents the computer from starting up correctly.

Affected platforms:

MS-DOS

Detection updated on:April 23, 2001
StatisticsNo
Country of origin:SPAIN

Brief Description 

    

Erase is a boot virus that infects the boot sector of floppy disks and of hard disks.

Erase infects the hard disk of a computer when it is booted from a floppy disk that is infected with this virus. From then on, all of the floppy disks used on that computer will be infected and it will have problems starting up.

Erase also affects the hard disk's Master Boot Record. Once the computer has been booted from an infected floppy disk, the virus will go resident in the system.

Erase damages the floppy disks with a size other than 1.44 MB, such as those that are 720 KB in size.

Visible Symptoms 

    

Erase is easy to recognize, as it causes problems starting up affected computers.

In addition, infected computers will not be able to read the damaged floppy disks (those with a size other than 1.44 MB).