Swiss 143 Virus


 Virus Name:  Swiss 143 
 Aliases: 
 V Status:    Rare 
 Discovered:  January, 1991 
 Symptoms:    .COM growth; file date/time changes 
 Origin:      Switzerland 
 Eff Length:  143 Bytes 
 Type Code:   PNCK - 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 Swiss 143 virus was submitted in January, 1991, by Dany Schoch 
       of Hagendern, Switzerland.  This virus is a non-memory resident 
       infector of .COM files, including COMMAND.COM. 
 
       When a program infected with Swiss 143 is executed, the virus will 
       infect all .COM files in the current directory.  Infected programs 
       will increase in length by 143 bytes, the virus will be located at 
       the end of the infected program.  The disk directory date and time 
       will also be altered to the current system date and time when the 
       programs were infected. 
 
       This virus does not do anything besides replicate.

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