Just.398 Virus


 Virus Name:  Just.398 
 Aliases:    
 V Status:    Rare 
 Discovered:  July, 1994 
 Symptoms:    .COM file growth; file date/time changes 
 Origin:      Unknown 
 Eff Length:  398 Bytes 
 Type Code:   PNCK - Parasitic Non-Resident .COM Infector 
 Detection Method:  F-Prot, IBMAV, AVTK, ViruScan, Sweep, 
                    NAV, NAVDX, VAlert, PCScan, ChAV, 
                    AVTK/N, Sweep/N, NProt, IBMAV/N, NShld, NAV/N, 
                    LProt, Innoc 4.0+ 
 Removal Instructions:  Delete infected files 
 
 General Comments: 
       The Just.398 virus was received in July, 1994.  Its origin or point of 
       isolation is unknown.  This virus is a non-resient, direct action 
       infector of .COM programs, including COMMAND.COM. 
 
       When a program infected with the Just.398 virus is executed, this 
       virus will infect one .COM program located in the current directory. 
       Infected programs will have a file length increase of 398 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 have been updated to 
       the current system date and time when infection occurred.  The 
       following text strings are visible within the viral code in all 
       infected files: 
 
               "?????????COM?" 
               "COMMAND.COM" 
               "*.COM" 
               "Don't panic it ! It is just a virus exist in your system !"

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