Cadkill Virus

 Virus Name:  Cadkill 
 Aliases:     Milous 
 V Status:    Rare 
 Discovery:   July, 1991 
 Symptoms:    .COM & .EXE growth; decrease in total system and available 
 Origin:      Unknown 
 Eff Length:  1,163 Bytes 
 Type Code:   PRhAK - Parasitic Resident .COM & .EXE Infector 
 Detection Method:  ViruScan, AVTK, Sweep, F-Prot, IBMAV, NAV, NAVDX, 
                    VAlert, PCScan, ChAV, 
                    NShld, Sweep/N, Innoc, AVTK/N, LProt, IBMAV/N, NAV/N 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Cadkill virus was received in July, 1991.  Its origin is 
       unknown.  Cadkill is a memory resident generic infector of .COM 
       and .EXE files, including COMMAND.COM. 
       The first time a program infected with Cadkill is executed, the 
       Cadkill virus will install itself memory resident at the top of 
       system memory but below the 640K DOS boundary.  Total system and 
       available free memory, as measured by the DOS CHKDSK program, will 
       decrease by 2,048 bytes.  Interrupts 1C, 21, and 24 will be 
       hooked by the virus. 
       After Cadkill is memory resident, it will infect .COM and .EXE files 
       when they are executed.  If COMMAND.COM is executed, it will become 
       infected.  Infected files will increase in size by 1,163 bytes.  The 
       virus will be located at the end of the infected file. 
       It is unknown what Cadkill does besides replicate. 

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