Incom Virus

 Virus Name:  Incom 
 V Status:    Rare 
 Discovered:  May, 1991 
 Symptoms:    .COM file growth; file date/time changes 
 Origin:      Europe 
 Eff Length:  648 Bytes 
 Type Code:   PNC - Parasitic Non-Resident .COM Infector 
 Detection Method:  ViruScan, F-Prot, Sweep, AVTK, ChAV, 
                    NAV, IBMAV, NAVDX, VAlert, PCScan, 
                    NShld, LProt, Sweep/N, Innoc, NProt, AVTK/N, 
                    NAV/N, IBMAV/N 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Incom virus was submitted in May, 1991 from Europe.  Incom is 
       a non-resident direct action infector of .COM programs.  It does not 
       infect COMMAND.COM. 
       When a program infected with Incom is executed, the Incom virus 
       will infect all uninfected .COM programs, except COMMAND.COM, 
       located in the current directory.  Infected .COM programs will 
       increase in size by 648 bytes with the virus being located at the 
       end of the infected file.  The infected program's date and time in 
       the DOS disk directory will be updated to the current system date 
       and time. 
       Incom infected programs will contain one text string: "INCOM.", 
       from which the virus derives its name. 
       Incom is based on the Vienna virus, though unlike Vienna, it does 
       not damage any programs. 
       See:   Vienna 

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