It is a very dangerous memory resident parasitic virus. It hooks INT 3, 21h and writes itself to the end of .EXE files that are closed.
This infector writes a part of its code into each 16th .COM file that is closed. These files cannot be recovered because the original information is not saved. When such file is executed the virus displays "AIDS" in large letters (graphic video mode).
Aids.872
It is a harmless nonmemory resident parasitic virus. It searches for .COM files and writes itself to the end of the file. It contains the text string:
Aids
