Big Bang Virus

Virus Name: Big Bang Aliases: 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, Innoc 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 table.