Virus-101 Virus

Virus Name: Virus-101 Aliases: V Status: Research Discovered: January, 1990 Symptoms: TSR; BSC; .COM growth (floppy only) Origin: District of Columbia, United States Eff Length: 2,560 Bytes Type Code: PRAFK - Parasitic Resident Infector Detection Method: ViruScan, F-Prot, NAV, AVTK, Sweep, ChAV, IBMAV, NAVDX, VAlert, PCScan, NShld, LProt, Sweep/N, Innoc, AVTK/N, NAV/N, IBMAV/N Removal Instructions: Delete infected files General Comments: The Virus-101 is the "big brother" of Virus-90, also written by Patrick Toulme as an "educational tool" in January 1990. This virus is memory resident, and employs an encryption scheme to avoid detection on files. It infects COMMAND.COM, and all other executable file types. Once it has infected all the files on a diskette, it will infect the diskette's boot sector. It only infects floppy diskettes in its current version. The following description was submitted by Patrick Toulme for inclusion in this listing in November 1990: "Virus-101 is a sophisticated, continually encrypting, research virus written by Patrick Toulme, author of Virus-90. Virus-101 infects both COM and EXE files and will evade most anti-virus software and will continually encrypt itself to prevent non-algorithmic search scans. This virus is not available to the general public and is presently used by government agencies and corporate security departments to test anti-virus software and hardware devices." See: Virus-90