Pantera.400
Description Pantera.400
It is a harmless memory resident parasitic virus. It hooks INT 21h and writes itself to the beginning of COM-files that are executed. The virus does not manifest itself, it contains the text strings:
Pantera.
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DirDropper.1575
Description DirDropper.1575
This is a dangerous, non-memory resident parasitic virus. It searches for COM files (except COMMAND.COM) and writes itself to their beginnings.
It searches for other executable files also, and replaces them with a copy of the DIR_II virus.
In October, this virus erases disk sectors and halts the PC.
DirFiller.1409
Description DirFiller.1409
It's dangerous memory resident parasitic stealth virus. It hooks INT 21h and writes itself to the end of COM- and EXE-files that are executed or opened. Depending on its counter it encrypts the root directory of the C: drive.
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