From wired.com
WHEN MICROSOFT REVEALED earlier this month that Chinese spies had gone on a historic hacking spree, observers reasonably feared that other criminals would soon ride that group’s coattails. In fact, it didn’t take long: A new strain of ransomware called DearCry attacked Exchange servers using the same vulnerabilities as early as March 9. While DearCry was first on the scene, on closer inspection it has turned out to be a bit of an odd cybercrime duck.