Sure. A simple "You are hereby required to cease distribution of X by <deadline>. Failure to comply will result in a fine of $2,000 per day until compliance."

Sure. A simple "You are hereby required to cease distribution of X by <deadline>. Failure to comply will result in a fine of $2,000 per day until compliance." It's basically what they did to -- uhh, what was it called? The encrypted email service Snowden used when he was smuggling NSA docs. $2k per day, increasing over time, adds up fast. Once you're staring at an executive order, questions of whether they really have the power fall to lawyers. In the meantime, corporations comply.