The Bromium Labs blog:
Gamers may be used to paying to unlock downloadable content in their favorite games, but a new crypto-ransomware variant aims to make gamers pay to unlock what they already own. Data files for more than 20 games can be affected by the threat, increasing what is already a large target for cybercriminals. Another file type that hasn't been targeted before is iTunes related. But first, let's have a look at the initial infection.
This crypto-ransomware variant has been getting distributed from a compromised web site that was redirecting the visitors to the Angler exploit kit by using a Flash clip. Bromium Labs notified the owner of the web site, but they haven't responded. At the time of writing this blog, the website was still serving malware. The web site is based on WordPress and could have been compromised by any one of the numerous WP exploits. Additionally, the URL where the malicious Flash file is hosted keeps changing.
Continued : http://labs.bromium.com/2015/03/12/achievement-locked-new-crypto-ransomware-pwns-video-gamers/
Related:
New crypto-ransomware encrypts video games files
CryptoLocker look-alike searches for and encrypts PC game files
CryptoLocker Variant Coming After Gamers

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