Blackhole malware attack is spreading on Twitter. It claims that you are pictured in an online image and give you a link to that image using Twitter’s public messages and when you click that link it redirects you to Russian websites that attempt to infect Windows PCs (better use Linux) using some notorious Blackhole exploit kit. Since late 2010 Blackhole exploit kit  is grown to be one of the most notorious exploit kits. Now it is spreading thousands of malicious links targeting twitter users.