As a generally accepted best practice, don’t click and/or install executable files from odd sources, especially if they’re supposed to be an image.
An abundance of folks around the globe not knowing that has led to the latest hiccup in the world of Bitcoin. Wired reports that a new trojan, spreading primarily via Skype, gets the targeted PC to mine Bitcoin for the trojan’s creator. Naturally, this draws down processing power from the victim’s computer and slows all applications on the machine. Though standard CPUs are known to be ineffective at Bitcoin mining, with thousands of them all working for a single attacker, someone stands to reap the benefits of a global mining slave operation. 
Indiana Jones won’t be able to save you.
haha that picture is hilarious