But Cryptolocker is the first example of the technique working on a large scale and for a sustained period of time. I’ve taught cryptoviruses for more than 10 years in my lectures, and others have been aware of the threat for nearly 20 years. You can take some simple steps to protect yourself, but this threat is going to grow globally for some time.įar from being a surprise, the arrival of Cryptolocker was easy to predict. It has been one of the most commented developments in computer security circles in recent times, and copycats are appearing.Ĭriminals have been trying to make cryptoviruses of this kind work effectively for decades, but only now have they got it right. It will then ask for a ransom of around US$300 or 0.5 bitcoins to get them back. After getting into your computer, it will encrypt all your data files, from your word documents to your photos, videos and PDFs. Cryptolocker, a particularly vicious form of malware that first appeared in September 2013, is a game-changer.
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