Late Night Virus

Virus Name: Late Night Aliases: V Status: New Discovered: January, 1995 Symptoms: .COM file growth; message displayed Origin: Unknown Eff Length: 248 Bytes Type Code: PNCK - Parasitic Non-Resident .COM Infector Detection Method: F-Prot, AVTK, IBMAV, ViruScan, Sweep, NAV, NAVDX, VAlert, PCScan, ChAV, AVTK/N, IBMAV/N, NShld, Sweep/N, NProt, NAV/N, LProt, Innoc 4.0+ Removal Instructions: Delete infected files General Comments: The Late Night virus was received in January, 1995. Its origin or point of isolation is unknown. Late Night is a non-resident, direct action infector of .COM files, including COMMAND.COM. When a program infected with the Late Night virus is executed, this virus will infect all of the .COM files in the current directory. Infected files will have a file length increase of 248 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 not be altered. The following text strings are visible within the viral code: "*.com" "Get some sleep, will ya? - Late Night Virus - Jack Damn" The Late Night virus will display a message when an infected program is executed after midnight. This message is the second text string indicated above.