June 16TH Virus

 Virus Name:  June 16TH 
 Aliases:     Pretoria, June 
 V Status:    Endangered 
 Discovered:  April, 1990 
 Symptoms:    .COM file growth; long disk accesses; June 16th FAT 
 Origin:      Republic of South Africa 
 Eff Length:  879 Bytes 
 Type Code:   PNCK - Parasitic Non-Resident .COM Infector 
 Detection Method:  ViruScan, AVTK, F-Prot, NAV, Sweep, 
                    IBMAV, NAVDX, VAlert, PCScan, ChAV, 
                    NShld, LProt, Sweep/N, Innoc, NProt, AVTK/N, 
                    NAV/N, IBMAV/N 
 Removal Instructions:  NAV, or delete infected files 
 General Comments: 
       The June 16TH, or Pretoria, virus was discovered in April 1990. 
       This virus is a non-resident generic .COM file infector, and is 
       encrypted.  The first time an infected file is executed, the virus 
       will search the current drive (all directories) and infect all .COM 
       files found.  The search period can be quite long, and it is very 
       obvious on hard disk based systems that the program is taking too 
       long to load. 
       On June 16TH of any year, the first time an infected file is 
       executed the virus will activate.  On activation, the virus will 
       change all entries in the root directory and the file allocation 
       table to "ZAPPED". 
       The June 16TH virus is thought to have originated in South Africa. 

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