End Of Virus

Virus Name: End Of Aliases: V Status: Rare Discovered: August, 1992 Symptoms: .COM file growth; decrease in total system & available free memory Origin: Israel Eff Length: 783 Bytes Type Code: PRhCK - Parasitic Resident .COM Infector Detection Method: F-Prot, Sweep, ViruScan, IBMAV, AVTK, NAV, NAVDX, VAlert, PCScan, ChAV, NShld, Sweep/N, Innoc, AVTK/N, NAV/N, IBMAV/N, LProt Removal Instructions: Delete infected files General Comments: The End Of virus was submitted in August, 1992. It is originally from the USSR. End Of is a memory resident infector of .COM programs, including COMMAND.COM. When the first End Of virus infected program is executed, this virus will install itself memory resident at the top of system memory but below the 640K DOS boundary. Total system and available free memory will have decreased by 800 bytes, and interrupt 21 will be hooked. Once End Of is memory resident, it will infect .COM programs when a DOS DIR command is issued. Infected programs will have a file length increase of 783 bytes with the virus being located at the end of the infected file. The program's date and time in the DOS disk directory listing will not be altered. The following text strings can be found in the viral code in all End Of infected programs: "*.com" "????????COM" "end of" It is unknown what End Of may do besides replicate.