Big Bang Virus

 Virus Name:  Big Bang 
 V Status:    Rare 
 Discovery:   January, 1994 
 Symptoms:    .COM file growth; partition table corruption 
 Origin:      Unknown 
 Eff Length:  346 Bytes 
 Type Code:   PNC - Parasitic Non-Resident .COM Infector 
 Detection Method:  ViruScan, F-Prot, AVTK, IBMAV, Sweep, NAV, 
                    NAVDX, VAlert, PCScan, ChAV, 
                    NShld, Sweep/N, AVTK/N, IBMAV/N, NProt, NAV/N, LProt, 
 Removal Instructions:  Delete infected files 
 General Comments: 
       The Big Bang virus was received in January, 1994.  Its origin is 
       unknown.  Big Bang is a non-resident, direct action infector of 
       .COM files.  It will not infect COMMAND.COM. 
       When a program infected with Big Bang is executed, the virus will 
       infect all of the .COM files, other than COMMAND.COM, located in the 
       current directory.  Programs infected with Big Bang will have 
       increased in size by 346 bytes with the virus being located at 
       the end of the infected file.  The file's date and time in the 
       DOS disk directory will not be altered.  The following text string is 
       visible within the viral code in all infected files: 
               "[Big Bang] (c) 1993 Evil Avatar *.COM" 
       On January 1st of any year, execution of an infected program will 
       trigger the virus to overwrite the system hard disk's partition 

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