An archive containing transaction records from Mt. Gox that was released on the Internet last week by the hackers who compromised the blog of Mt. Gox CEO Mark Karpeles also contains bitcoin-stealing malware for Windows and Mac. Security researchers from antivirus firm Kaspersky Lab analyzed the 620MB file called MtGox2014Leak.zip and concluded that in addition to various Mt. Gox-related documents and data, it contains malicious binary files.