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Details
Permutan.544
It is a very dangerous memory resident parasitic virus. It hooks INT 13h, 20h and stays memory resident. While installing into the memory the virus leaves in the system memory its own code as well as the code of host file.
On INT 20h calls (Terminate) the virus gets from PSP the file name of active program and writes itself to the end of the file.
Depending on the system timer the virus corrupts the data that is saved on disk (INT 13h). The virus contains the text string:
Permutan |
