Australian Tiny Virus

Virus Name: Australian Tiny Aliases: Aussie Parasite.153, Australian Tiny-153 V Status: Rare Discovery: January, 1993 Symptoms: .COM file growth; system hangs Origin: Australia Eff Length: 153 Bytes Type Code: PNCK - Parasitic Non-Resident .COM Infector Detection Method: ViruScan, F-Prot, Sweep, NAV, IBMAV, AVTK, NAVDX, VAlert, PCScan, ChAV, NShld, Sweep/N, NProt, NAV/N, AVTK/N, IBMAV/N, Innoc, LProt Removal Instructions: Delete infected files General Comments: The Australian Tiny, or Australian Tiny-153, virus was submitted in January, 1993 following its discovery in Australia in the same month. Australian Tiny, and its variants listed below, are non- resident direct action viruses which infect .COM programs, including COMMAND.COM. When a program infected with the Australian Tiny virus is executed, the Australian Tiny virus will infect one .COM file located in the current directory. A system hang may then occur. Programs infected with the Australian Tiny virus will have a file length increase of 153 bytes with the virus being located at the beginning of the file. The program's date and time in the DOS disk directory listing will not be altered. The following text string can be viewed within the viral code in all infected programs: "*.COM" Australian Tiny will sometimes reinfect previously infected programs, adding an additional 153 bytes to the file's length. Known variant(s) of Australian Tiny are: Australian Tiny-142: A 142 byte variant of the Australian Tiny virus described above. Origin: Australia January, 1993. Australian Tiny-142B: Functionally similar to Australian Tiny-142, this variant has a few bytes which differ. Origin: Australia January, 1993. Australian Tiny-143: A 143 byte variant of the Australian Tiny virus described above. Origin: Australia January, 1993. Australian Tiny-147: A 147 byte variant of the Australian Tiny virus described above. Origin: Australia January, 1993. Australian Tiny-150: A 150 byte variant of the Australian Tiny virus described above. Origin: Australia January, 1993. Australian Tiny-162: A 162 byte variant of the Australian Tiny virus described above. The text string "AP" can be found in infected files starting in the 4th byte of the file. Origin: Australia January, 1993. See: Aussie Parasite