I'm going by what I read and see on thehackernews.com
They have screen shots from the Cryptolocker virus once it infects your computer with the Bitcoin logo stating it's the cheapest way to pay the ransom. Moneypaks also can be used. So I don't know if anything can be done about that.
http://thehackernews.com/2013/10/Cry...-software.html