Scott's Valley Virus

Virus Name: Scott's Valley Aliases: 2131, Scott's, Slow-2131 V Status: Rare Discovered: September, 1990 Symptoms: TSR; .COM and .EXE growth Origin: Scott's Valley, California, United States Eff Length: 2,131 Bytes Type Code: PRsA - Parasitic Resident .COM & .EXE Infector Detection Method: ViruScan, AVTK, F-Prot, NAV, Sweep, IBMAV, NAVDX, VAlert, PCScan, ChAV, NShld, LProt, Sweep/N, Innoc, NProt, AVTK/N, NAV/N, IBMAV/N Removal Instructions: Delete infected files General Comments: The Scott's Valley virus was discovered in September, 1990 in Scott's Valley, California. This virus is a memory resident generic infector of .COM and .EXE files, and does not infect COMMAND.COM. The first time a program infected with the Scott's Valley virus is executed, the virus installs itself memory resident as a low system memory TSR of 2,384 bytes. Interrupt 21 is hooked by the virus. After the virus is memory resident, any .COM or .EXE file executed will be infected with the virus. .COM files will increase in length by 2,131 bytes. .EXE files will increase in length between 2,131 and 2,140 bytes. Infected programs will contain the following hex string in the virus's code: 5E8BDE909081C63200B912082E. It is unknown if this virus is malicious.