I was doing comodo firewall testing using "comodo Leak Test" just before this happen.I am going to paste here the binary as a code.
Firefox.exe replaced by another fake file.
Code:
MZ ÿÿ ¸ @ È º ´ Í!¸LÍ!This program cannot be run in DOS mode. $ yOÀï=.®¼=.®¼=.®¼=.¯¼7.®¼þ!ó¼:.®¼èܼ<.®¼èÖ¼<.®¼Rich=.®¼ PE L )jI à € @ @ À P @...