This is a dangerous memory resident parasitic virus. It hooks INT 21h and writes itself to the end of EXE files that are executed or opened.
In some cases the virus corrupts files while infecting them. On June 10th, October 28th and November 21st it also hooks INT 1Ch and tries to run a video effect, but halts the computer.
The virus contains the text strings:
El procesador se quema!!! Inserte 586 cm3 de agua por el drive A
[Wild Boy] UTN-FRT Tucumán, Argentina by Mr. Bithead - 1995
