Small-115 Virus

Virus Name: Small-115 Aliases: V Status: Rare Discovered: October, 1993 Symptoms: .COM file growth; file date/time changes; program execution failure Origin: Unknown Eff Length: 115 Bytes Type Code: PNCK - Parasitic Non-Resident .COM Infector Detection Method: ViruScan, IBMAV, F-Prot, AVTK, Sweep, NAV, NAVDX, VAlert, PCScan, ChAV, Innoc, NProt, AVTK/N, LProt, NShld, Sweep/N, IBMAV/N, NAV/N Removal Instructions: Delete infected files General Comments: The Small-115 virus was received in October, 1993, its origin is unknown. Small-115 is a non-resident infector of .COM programs including COMMAND.COM. When a program infected with the Small-115 virus is executed, this virus will infect all of the .COM programs located in the current directory. The user will then be returned to the DOS system prompt. Programs infected with the Small-115 virus will have a file length increase of 115 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. One text string is visible within the viral code in all Small-115 infected programs: "*.com" Small-115 doesn't do anything besides replicate.