Warning Virus

 Virus Name:  Warning 
 V Status:    Rare 
 Discovered:  May, 1992 
 Symptoms:    .COM file growth; file date/time change; message & warm 
 Origin:      Unknown 
 Eff Length:  3,072 Bytes 
 Type Code:   PNCK - Parasitic Non-Resident .COM Infector 
 Detection Method:  ViruScan, NAV, F-Prot, NAVDX, AVTK 7.68+, 
                    NShld, NAV/N, AVTK/N 7.68+ 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Warning virus was isolated in May, 1992.  Its origin is 
       unknown.  Warning is a non-resident, direct action infect of .COM 
       programs, including COMMAND.COM. 
       When a program infected with the Warning virus is executed, the 
       warning virus will infect one .COM program located in the current 
       directory.  Programs infected with the Warning virus will have a 
       file length increase of 3,072 bytes.  The virus will add code to 
       both the beginning and end of infected files.  The file's date and 
       time in the DOS disk directory listing will have been updated to 
       the current system date and time. 
       If the Warning virus is unable to located an uninfected .COM program 
       in the current directory, it will display the following message: 
               "WARNING: This computer will self-destruct in 5 seconds" 
       A pause occurs, and then approximately 5 seconds later a warm 
       reboot will occur.  The above message is not visible in infected 
       files as it is encrypted. 

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