![]() Thus, decryption requires two unique keys (one for each algorithm). As mentioned above, LockeR uses RSA and AES encryption algorithms. The new HTML file contains a message informing victims of the current situation and telling them what to do next. Following successful encryption, LockeR places the ". locked" pattern (e.g., " sample.jpg" is renamed to " a.jpg.locked"). From this point, files become unusable.ĭuring encryption, LockeR renames files using the ". First discovered by malware security researcher, Michael Gillespie, LockeR is a ransomware-type virus almost identical to SIGMA. Immediately after infiltration, LockeR encrypts most stored data using RSA-2048 and AES-256 cryptographies.
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