                    Ŀ
                            VIRUS REPORT         
                              Century-B          
                    

Host Machine: PC compatibles.

Derived from: Century virus.

     This virus is similar to the original Century virus with the
following exception: It waits for BACKUP.COM to be executed and then
garbles all program writes. After BACKUP terminates, the output
functions return to normal.


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  This document was adapted from the book "Computer Viruses",       
  which is copyright and distributed by the National Computer       
  Security Association. It contains information compiled from       
  many sources. To the best of our knowledge, all information       
  presented here is accurate.                                       
                                                                    
  Please send any updates or corrections to the NCSA, Suite 309,    
  4401-A Connecticut Ave NW, Washington, DC 20008. Or call our BBS  
  and upload the information: (202) 364-1304. Or call us voice at   
  (202) 364-8252. This version was produced May 22, 1990.           
                                                                    
  The NCSA is a non-profit organization dedicated to improving      
  computer security. Membership in the association is just $45 per  
  year. Copies of the book "Computer Viruses", which provides       
  detailed information on over 145 viruses, can be obtained from    
  the NCSA. Member price: $44; non-member price: $55.               
                                                                    
            The document is copyright (c) 1990 NCSA.                
                                                                    
  This document may be distributed in any format, providing         
  this message is not removed or altered.                           
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