My Child Virus

 Virus Name:  My Child 
 Aliases:     My Child.A 
 V Status:    New 
 Discovery:   January, 1995 
 Symptoms:    .COM & .EXE growth; file date/time seconds = "62"; 
              decrease in available free memory (DOS 5.0) 
 Origin:      Unknown 
 Eff Length:  1,000 Bytes 
 Type Code:   PRhAK - Parasitic Resident .COM & .EXE Infector 
 Detection Method:  F-Prot, AVTK, IBMAV, ViruScan, Sweep, NAV, 
                    NAVDX, VAlert, ChAV, 
                    AVTK/N, IBMAV/N, NShld, Sweep/N, NProt, NAV/N, Innoc 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The My Child virus was received in January, 1995.  Its origin or 
       point of isolation is unknown.  My Child is a memory resident 
       fast infector of .COM and .EXE files, including COMMAND.COM.  This 
       virus does not infect small .COM and .EXE files. 
       When the first My Child infected program is executed, this virus 
       will install itself memory resident at the top of system memory 
       but below the 640K DOS boundary, not moving interrupt 12's return. 
       Available free memory, as indicated by the DOS CHKDSK program from 
       DOS 5.0, will have decreased by approximately 1,136 bytes. 
       Interrupt 21 will be hooked by the virus in memory. 
       Once the My Child virus is memory resident, it will infect .COM 
       and .EXE files, including COMMAND.COM, when they are executed or 
       opened, but not when copied.  Infected files will have a file 
       length increase of 1,000 bytes with the virus being located at the 
       end of the file.  The file's date and time in the DOS disk directory 
       listing will appear to be altered, though the seconds field will have 
       been set to "62".  The following text strings are visible within 
       the viral code: 
               "My Child..." 
       It is unknown what the My Child virus does besides replicate. 
       Known variant(s) of My Child are: 
       My Child.B: Received in July, 1995, My Child.B is a minor 
           variant of the My Child virus described above.  The following 
           text strings are visible within the viral code: 
           Origin:  Unknown  July, 1995. 

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