Beware of the hacked website!
At the moment beware of the MathMods website - it has been hacked by someone! After browsing to any page there automatically appears a window asking for a file download and run - the file is recognizing by antivirus software as "Trojan horse BackDoor.Generic9.NVU". So keep your eyes open not to accidentally push Enter or click on the Run button whilst browsing www.mathmods.eu.