ARCV 330 Virus

Virus Name: ARCV 330 Aliases: 330 V Status: Rare Discovery: January, 1993 Symptoms: .COM file growth; file date/time changes; message Origin: England Eff Length: 330 Bytes Type Code: PNCK - Parasitic Non-Resident .COM Infector Detection Method: ViruScan, Sweep, AVTK, F-Prot, NAVDX, Vlert, IBMAV, NAV, PCScan, ChAV, NShld, Sweep/N, Innoc, AVTK/N, LProt, NProt, IBMAV/N, NAV/N Removal Instructions: Delete infected files General Comments: The ARCV 330, or 330, virus was submitted in January, 1993. It is originally from England. ARCV 330 is a non-resident, direct action infector of .COM programs, including COMMAND.COM. When a program infected with the ARCV 330 virus is executed, the ARCV 300 virus will infect one .COM program located in the current directory. If COMMAND.COM is located in this directory, it may become infected. Programs infected with the ARCV 330 virus will have a file length increase of 330 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. The following text string is located near the end of all programs infected with the ARCV 330 virus: "aRcv" The ARCV 330 virus activates in the month of July of any year. During July, the virus will display the following message and hang the system when an infected program is executed: "[330] by ICE-9" This message is encrypted within the viral code, as is the following text string: "*.com"