Seneca-B Virus

Virus Name: Seneca-B Aliases: V Status: Viron Discovered: January, 1993 Symptoms: .COM & .EXE files overwritten; program & data file corruption; boot failure; program date/time changes Origin: United States Eff Length: 493 Bytes OW Type Code: ONAK - Non-Resident Overwriting File Infector Detection Method: ViruScan, Sweep, AVTK, F-Prot, IBMAV, NAVDX, NAV, VAlert, PCScan, ChAV, NShld, Sweep/N, Innoc, NProt, AVTK/N, LProt, IBMAV/N, NAV/N Removal Instructions: Delete infected files General Comments: The Seneca-B virus was submitted in January, 1993. Seneca-B is a non-resident overwriting virus which infects programs and data files. It corrupts the files it infects. When a program infected with the Seneca-B virus is executed, the Seneca-B virus will infect all of the files located in the current directory by overwriting the first 493 bytes of the host file. The virus does not differentiate between program and data files, so besides program corruption, data file corruption will occur. Programs and data files infected with the Seneca-B virus not have an increase in file length as the virus will not infect a file smaller than itself. The file'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 encrypted within the Seneca-B viral code: "*.* .."