![]() Website addresses within the text files are also difficult to detect because they are based on Tor, a protocol designed to protect the anonymity of those using it. Researchers at F-Secure Labs posted screenshots that showed how OphionLocker presents the ransom demand via a text file that informs victims that their photos, documents and other files have been encrypted and inaccessible to anyone but the cybercriminals. Those infected by OphionLocker need to fork over $300 in the virtual currency Bitcoin in order to get their system and data back. Security researchers say OphionLocker, a recently discovered strain of malicious software that takes over a user’s system until a payment is made, may be among the first to use one of the most advanced techniques for encrypting data files.įirst reported by Trojan7Malware, this type of ransomware is believed to spread via online advertising campaigns that fool users into clicking on an area of a website that then takes over their computer. ![]()
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