Ill Virus

 Virus Name:  Ill 
 V Status:    Rare 
 Discovered:  January, 1992 
 Symptoms:    .COM file growth; message & beeping 
 Origin:      Unknown 
 Eff Length:  1,016 Bytes 
 Type Code:   PNCK - Parasitic Non-Resident .COM Infector 
 Detection Method:  AVTK, Sweep, ViruScan, F-Prot, ChAV, 
                    NAV, IBMAV, NAVDX, VAlert, PCScan, 
                    NShld, Sweep/N, Innoc, NProt, AVTK/N, NAV/N, IBMAV/N, 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Ill virus was submitted in January, 1992.  Its origin is 
       unknown.  Ill is a non-resident, direct action infector of .COM 
       programs, including COMMAND.COM. 
       When a program infected with the Ill virus is executed, the virus 
       will search the current directory to find the first .COM program 
       which has not previously been infected.  Once this program is 
       found, it will be infected, and the original program will usually 
       continue execution.  If an uninfected program is not found, the 
       original program will usually continue execution. 
       Programs infected with the Ill virus will have a file length 
       increase of 1,016 bytes.  The virus will be located at the end of 
       the infected file.  The program's date and time in the DOS disk 
       directory listing will not have been altered.  No text strings are 
       visible within the viral code in infected programs. 
       Occassionally, when an infected program is executed, the following 
       message will be displayed along with a series of beeps being 
       emitted from the system speaker: 
                DON'T COPY IT 
                and now .. I AM ILL !!" 
       This message is encrypted within the viral code. 

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