Once encrypted, CryptoLocker charges you to decrypt (your own files) again. This blog article from MalwareBytes has a complete list of extensions. The ideas set forth in this blog post apply mostly to Windows-networks with file servers, but could be adapted for individual computers as well (though this is not covered here – let me know if you’d like me to include this scenario).įor those who have not heard of CryptoLocker yet, it is a piece of software which encrypts pretty much all common office-type documents, including Microsoft Office, AutoCAD, PDFs, images and more. After all, CryptoLocker seems to find its way into a lot private networks these days. But knowing that you have an effective defense against CryptoLocker may very well be worth it. If you’re looking for a 5-minute fix then I have bad news: implementing the CryptoLocker defense I have outlined below, while completely free, will take a little more than 5 minutes to implement. While I admire Cryptolocker’s simplicity and effectiveness from a purely technical and entrepreneurial standpoint, what the software is doing does appears to be illegal in most countries and so I’d like to offer some advise on how to tame the beast. It seems as if CryptoLocker has been making the rounds lately, much to the dismay of users who don’t have working backups of their precious office documents. I highly recommend that you jump directly to the most recent article which offers the best & easiest approach for protecting against Ransomware:ĭefeating Ransomware with EventSentry & Auditing (part 3) There have been 2 (!) follow-up posts to this article ( part 2 and part 3), with even better approaches to defeating ransomware.
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