This is a modern form of a social engineering attack.

They fool you into downloading and running the trojan by posing as some authority or someone you know or trust.

The prudent thing to do is open a new browser window and type in some of the words that appear, to search for them, and see if you come up with anything.

If you really need some sort of functionality, it is better you look for it yourself. A good data wiper would be something known like Eraser, or to wipe the drive would be DBAN.