Timing
It's a bit late to mention this now - I've seen the rate drop off quite a bit in the last week - I assume that they are moderating the release of new attack vectors to avoid overloading the backend servers that store the decrypt keys?
One in six (17 per cent) of all incoming email messages are blocked due to a suspected virus, according to email security firm Retarus. March's rate marks a fivefold rise in comparison with February and can be explained primarily by the large increase in ransomware, according to the enterprise-focused email filtering service …