Terminator-2294 Virus

Virus Name: Terminator-2294 Aliases: V Status: Rare Discovered: December, 1992 Symptoms: .COM & .EXE growth; decrease in total system & available free memory; file allocation errors Origin: Unknown Eff Length: 2,294 Bytes Type Code: PRhAK - Parasitic Resident .COM & .EXE Infector Detection Method: AVTK, ViruScan, Sweep, IBMAV, F-Prot, NAV, PCScan, NAVDX, VAlert, ChAV, NShld, Sweep/N, AVTK/N, LProt, NAV/N, NProt, IBMAV/N Removal Instructions: Delete infected files General Comments: The Terminator-2294 virus was submitted in December, 1992. Its origin or point of isolation is unknown. Terminator-2294 is a memory resident infector of .COM and .EXE programs, including COMMAND.COM. It employs some stealth techniques to avoid detection, and does not replicate until the first infected program is executed following a system boot occurring after December 31, 1992. Once the system is booted after December 31, 1992, and a Terminator-2294 infected program is executed, the Terminator-2294 virus will install itself memory resident at the top of system memory but below the 640K DOS boundary, hooking interrupts 13, 21 and 24. Total system and available free memory, as indicated by the DOS CHKDSK program, will have decreased by 2,448 bytes. Also at this time, the Terminator-2294 virus will infect COMMAND.COM if it was not previously infected. Once the Terminator-2294 virus is memory resident, it will infect .COM and .EXE programs when they are executed or opened. Infected programs will have a file length increase of 2,294 bytes with the virus being located at the end of the file. The file length increase will not be visible when the virus is memory resident. The file's date and time in the DOS disk directory listing will not be altered. The following text is encrypted within the Terminator-2294 viral code: "TERMINATOR" ".csc.eziarchomanxep" Systems infected with the Terminator-2294 virus will notice file allocation errors on all infected programs when the virus is memory resident. It is unknown what other effects the Terminator-2294 may have.