Yahoo malware enslaves PCs to Bitcoin mining
bbc.co.uk
bbc.co.uk
From what I read on the guardian, it seems that it's a Java-based exploit: http://www.theguardian.com/technology/2014/jan/08/yahoo-malw...
More info from the original source: http://blog.fox-it.com/2014/01/03/malicious-advertisements-s...