Portuguese Blog?
Whatever language that blog is in, it certainly isn't Portuguese.
German security firm Avira has admitted it falsely warned that a beta version of an upcoming security package from its Romanian rival was contaminated with a Trojan. Few users outside the testing community would be running Avira and BitDefender 2011 beta 4 at the same time, so the incident is notable only as providing an …
Take a modern, high-spec machine, put Windows 7 on it, and then load up every single piece of AV software you can get your hands on, (especially the kind that has on-access protection).
Get em all running, and then see if the machine has enough resources left over to open an instance of Notepad.
Have a dustpan and brush ready to clean up the smoking ruins.