The dangers of opening suspicious emails: Crowti ransomware

The Microsoft Malware Protection Center (MMPC) has seen a spike in number of detections for threats in the Win32/Crowti ransomware this month as the result of new malware campaigns. Crowti is a family of ransomware that when encountered will attempt to encrypt the files on your PC, and then ask for payment to unlock them. These threats are being distributed through spam email campaigns and exploits.

more here..........http://blogs.technet.com/b/mmpc/archive/2014/10/28/the-dangers-of-opening-suspicious-emails-crowti-ransomware.aspx