Demon.348
Description Demon.348
These are harmless not memory resident parasitic viruses. They search for .COM-files of current directory and C:COMMAND.COM file and write themselves at their ends. They contain the internal text string:
_=-DEMON-=_
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Ai22.1659
Description Ai22.1659
It is a harmless memory resident parasitic virus. It installs itself memory resident and replicates only under DOS 5.x and 6.x. It hooks INT 21h and writes itself to the end of .COM and .EXE files that are executed. While installing the virus also infects the C:COMMAND.COM file. The virus does not manifest itself in any way, it contains the ID-text:
Ai22
Aids.552
Description Aids.552
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
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