Earlier this year, two separate security risks were brought to light: CVE-2017-0144, a vulnerability in the SMB Server that could allow remote code execution that was fixed in March, and WannaCry/Wcry, a relatively new ransomware family that spread via Dropbox URLs in late April. These two threats have now been combined, resulting in one of the most serious ransomware attacks to hit users across the globe.
Post from: Trendlabs Security Intelligence Blog - by Trend Micro
Massive WannaCry/Wcry Ransomware Attack Hits Various Countries