Mark II Virus

 Virus Name:  Mark II 
 Aliases:     Mark ][ 
 V Status:    Rare 
 Discovered:  June, 1993 
 Symptoms:    .COM file growth; file date/time changes 
 Origin:      Unknown 
 Eff Length:  350 - 351 Bytes 
 Type Code:   PNCK - Parasitic Non-Resident .COM Infector 
 Detection Method:  F-Prot, ViruScan, IBMAV, Sweep, AVTK, 
                    NAV, NAVDX, VAlert, PCScan, ChAV, 
                    NShld, Sweep/N, NProt, AVTK/N, IBMAV/N, Innoc, NAV/N, 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Mark II, or Mark ][, virus was submitted in June, 1993.  Its 
       origin or point of isolation is unknown.  Mark II is a non-resident 
       direct action infector of .COM programs, including COMMAND.COM. 
       When a program infected with the Mark II virus is executed, this 
       virus will infect one .COM program located in the current directory. 
       Infected programs will increase in size by 350 to 351 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 string can be found within the viral code in all 
       Mark II infected programs: 
       Mark II doesn't appear to do anything besides replicate. 

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