This is a benign memory resident stealth encrypted parasitic virus. It hooks INT 21h and writes itself to the end of COM and EXE files that are executed or closed. On infected file opening they disinfect it.
It also hooks INT 17h and on printing of E0h character substitutes it with A3h one. On December, 31th it displays the message:
Happy New Year !!!
This virus contains the internal text strings:
(c) 1994 DSU RadioFuck
