Paris Virus

 Virus Name:  Paris 
 V Status:    Rare 
 Discovery:   August, 1990 
 Symptoms:    .COM & .EXE file growth; slow program loads upon execution; 
              diskette corruption after diskette boot 
 Origin:      Paris, France 
 Eff Length:  4,909 Bytes 
 Type Code:   PNAK - Parasitic Non-Resident .COM & .EXE Infector 
 Detection Method:  ViruScan, NAV, AVTK, F-Prot, Sweep, IBMAV, 
                    NAVDX, VAlert, PCScan, ChAV, 
                    NShld, LProt, Sweep/N, Innoc, NProt, AVTK/N, 
                    NAV/N, IBMAV/N 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Paris virus was isolated in Paris, France, in early August, 
       1990. This virus is a generic infector of .COM, .EXE and overlay 
       files, and will infect COMMAND.COM.  It is not memory-resident. 
       When a program infected with the Paris virus is executed, the virus 
       will infect all .COM, .EXE and overlay files on the current drive 
       and directory, with the exception of very small .COM files. 
       It will also check to see if COMMAND.COM on the C: drive is 
       uninfected, if it has not previously been infected it will become 
       infected.  Infected files will increase in length by between 
       4,909 - 4,925 bytes, with the virus located at the end of the 
       infected file. 
       The Paris virus can be destructive in some instances, resulting in 
       diskettes becoming corrupted if the system is booted from a 
       diskette with a Paris infected COMMAND.COM program. 

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