Search-1000 Virus

Virus Name: Search-1000 Aliases: V Status: Rare Discovered: March, 1993 Symptoms: .COM file growth; file date/time change Origin: Unknown Eff Length: 1,000 Bytes Type Code: PNCK - Parasitic Non-Resident .COM Infector Detection Method: F-Prot, Sweep, AVTK, ViruScan, IBMAV, NAVDX, NAV, VAlert, PCScan, ChAV, Sweep/N, Innoc, NShld, NProt, AVTK/N, NAV/N, IBMAV/N, LProt Removal Instructions: Delete infected files General Comments: The Search-1000 virus was submitted in March, 1993. Its origin or point of isolation is unknown. Search-1000 is a non-resident, direct action infector of .COM programs, including COMMAND.COM. When a program infected with the Search-1000 virus is executed, this virus will infect one .COM program located in the current directory. Infected programs will have a file length increase of 1,000 bytes with the virus being located at the end of the file. The program's date and time in the DOS disk directory listing will have been updated to the current system date and time when infection occurred. The following text strings can be found within the viral code in all Search-1000 infected programs: "*.COM" "????????COM" Additionally, the text string "CPX" will be found at the very beginning of all infected files. Known variant(s) of Search-1000 are: Search-377: A 377 byte variant of the Search-1000 virus, this variant infects all of the .COM programs in the current directory when an infected program is executed. Infected programs will have a file length increase of 377 bytes with the virus being located at the end of the file. The program's date and time in the DOS disk directory will have been updated to the current system date and time when infection occurred. The following text string is visible within the viral code in all Search-377 infected programs: "*.com" Origin: Israel April, 1993