Elvis-1250 Virus

 Virus Name:  Elvis-1250 
 V Status:    Rare 
 Discovered:  June, 1993 
 Symptoms:    .COM file growth; TSR; Messages with beeping 
 Origin:      Unknown 
 Eff Length:  1,250 Bytes 
 Type Code:   PRsC - Parasitic Resident .COM Infector 
 Detection Method:  ViruScan, F-Prot, AVTK, IBMAV, Sweep, 
                    NAV, NAVDX, VAlert, PCScan, ChAV, 
                    NShld, Sweep/N, NProt, AVTK/N, IBMAV/N, Innoc, NAV/N, 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Elvis-1250 virus was submitted in June, 1993.  Its origin or 
       point of isolation is unknown.  Elvis-1250 is a memory resident 
       infector of .COM programs, but not COMMAND.COM. 
       When the first Elvis-1250 infected program is executed, the Elvis- 
       1250 virus will install itself memory resident as a low system 
       memory TSR of 784 bytes.  Interrupt 08 will be hooked by the virus 
       in memory. 
       Once the Elvis-1250 virus is memory resident, it will infect .COM 
       programs other than COMMAND.COM, when they are executed.  Infected 
       programs will have a file length increase of 1,250 bytes with the 
       virus being located at the end of the file.  The program's date and 
       time in the DOS disk directory listing will not be altered.  The 
       following text strings are encrypted within the Elvis-1250 virus' 
       code, and are not visible within infected programs: 
               "is watching!" 
               "DON_Maybe he lives here..." 
               "Is he really dead? Or Here?" 
               "Maybe he has a neighbour next door... (You can make up 
                stories as you go along." 
               "(C)1991 Elvis/VFriend, INC. All rights reserved." 

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