Ionkin Virus

Virus Name: Ionkin Aliases: Ionkin-231 V Status: Rare Discovered: December, 1992 Symptoms: .COM file growth; file date/time changes Origin: USSR Eff Length: 231 Bytes Type Code: PNCK - Parasitic Non-Resident .COM Infector Detection Method: Sweep, AVTK, F-Prot, ViruScan, IBMAV, NAV, NAVDX, VAlert, PCScan, ChAV, Sweep/N, NShld, Innoc, NProt, AVTK/N, LProt, IBMAV/N, NAV/N Removal Instructions: Delete infected files General Comments: The Ionkin, or Ionkin-231, virus was submitted in December 1992. It is originally from the USSR. Ionkin-231 is a non-resident, direct action infector of .COM programs, including COMMAND.COM. It doesn't infect .COM programs smaller than approximately 5K in size. When a program infected with the Ionkin virus is executed, the Ionkin virus may infect up to two .COM programs located in the current directory. Infected programs will have a file length increase of 231 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. The following text string is visible within all Ionkin infected programs: "*.COM" Known variant(s) of Ionkin are: Ionkin-2372: Also received in December, 1992, Ionkin-2372 is a 2,372 byte variant of the Ionkin virus described above. It may infect one .COM program larger than approximately 5K when an infected program is executed. Infected programs will have a file length increase of 2,372 byte 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. The following text strings are visible within the viral code: "*.COM" "IONKIN.COM" Origin: USSR December, 1992.