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Panda Protection

Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Natas.4744

Threat LevelHigh threatDamageSevereDistributionNot widespread
Common name:Natas.4744
Technical name:Natas.4744
Threat level:Medium
Alias:Natas.4744.Mbr, Natas, Natas.mp.4744, Satan, Satan Bug.Natas.4744,
Type:Virus
Effects:  It writes its code in the first sectors of the hard disk. It infects files with an EXE or COM extension.
Affected platforms:

MS-DOS

First detected on:Sept. 14, 1994
Detection updated on:May 14, 2009
StatisticsNo

Brief Description 

    

Natas.4744 is a multipartite MS DOS virus, which is quite dangerous, as it writes its code in the first sectors of the hard disk where the boot sector (Master Boot Record or MBR) is located. Then, it goes memory resident and infects all the files with an EXE or DOC extension used on the affected computer.

Natas.4744 is difficult to identify, as it is a polymorphic virus. In addition, it uses stealth techniques.

Visible Symptoms 

    

Natas.4744 is difficult to identify, as it does not display any messages or warnings that indicate that it has infected a computer.