It is a very dangerous memory resident parasitic polymorphic virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are executed, opened or accessed with FindFirst/Next DOS calls (both FCB and ASCII formats).
The virus has bugs and may halt the system while installing or while infecting files. On September 19th it erases the hard drive sectors. It contains the text string:
L'AMOUR v2.0 designed by NTUBL (National
Taiwan University Bacteriophage Lab)
