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Virus Encyclopedia

Welcome to the Virus Encyclopedia of Panda Security.

Encyclopedia GetVirusCard True 0

Tremor.4000.A

 
Threat LevelModerate threatDamageHighDistributionNot widespread
Common name:Tremor.4000.A
Technical name:Tremor.4000.A
Threat level:Low
Type:Virus
Effects:  It infects files with an EXE or COM extension. It slows down the operating system.

Affected platforms:

MS-DOS

Detection updated on:March 1, 1993
StatisticsNo

Brief Description 

    

Tremor.4000.A is a MS-DOS virus that goes memory resident and infects files with an EXE or COM extension. In addition, Tremor.4000.A uses polymorphic, stealth and encryption techniques.

It is easy to be infected by Tremor.4000.A, as it reaches computers through many means: e-mail messages with infected attachments, computer networks, CD-ROMs, Internet downloads, FTP, floppy disks, etc.

Visible Symptoms 

    

Tremor.4000.A is easy to identify, as it deletes the content on screen in order to display the following text:

-=> T.R.E.M.O.R. was done by NEUROBASHER / May-June '92, Germany<=-
-MOMENT-OF-TERROR-IS-THE-BEGINNING-OF-LIFE-

When the infection has been carried out, the computer will noticeably slow down.