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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

DeDouble

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:DeDouble
Technical name:Dedouble.7200
Threat level:Low
Alias:HLLC.DIA.7200, HLLC.7200
Type:Virus
Effects:  Infects files with an EXE extension.

Affected platforms:

MS-DOS

Detection updated on:Dec. 28, 1997
StatisticsNo

Brief Description 

    

DeDouble is a companion virus  that infects files with an EXE extension. This virus makes copies of itself using the name of the EXE file and changing its extension to COM.

It is easy to become infected by DeDouble, as it can reach computers through any of the means normally used by viruses: e-mail messages with infected attachments, CD-ROMs, Internet downloads, FTP, floppy disks, etc.

Visible Symptoms 

    

An indication that DeDouble has infected a computer is the following message, which it displays when a file with an EXE extension created on January 1 of any year is run:

Date:1/1/1980
Right Moment to Buy an Antivirus!
HLLC.7200 Companion Virus
Pascal Sample Written for VIROPEDIA 1.0