Infectious files can be archives (ZIP, RAR, etc.), executables (.exe.
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Malicious software is usually presented as or bundled with ordinary content. Malware (ransomware included) is spread primarily using phishing and social engineering tactics. However, there are two significant differences in-between them - the cryptographic algorithms they use ( symmetric or asymmetric) and the ransom size. Malicious programs within this classification encrypt data and demand ransoms for the decryption. Ransomware examplesīlack Basta, Jhbg, Locked (Phobos), and Zazas are some examples of the ransomware-type programs we have analyzed recently. We highly recommend keeping backups in multiple separate locations (e.g., unplugged storage devices, remote servers, etc.) - to ensure data safety. The only solution is recovering the files from a backup (if available). However, removal will not restore already compromised data. Removing Jhgn ransomware from the operating system will prevent it from encrypting more files. Therefore, we strongly advise against meeting the ransom demands - since data recovery is not guaranteed, and paying supports criminal activity. Furthermore, despite paying - victims often do not receive the promised decryption tools. We have analyzed and researched thousands of ransomware infections, and this experience allows us to conclude that decryption is usually impossible without the cyber criminals' interference.
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In place of a guarantee, the message offers free decryption of a single encrypted file (containing no valuable information). However, should victims establish contact with the criminals within 72 hours - the ransom will be reduced to $490. The price of these tools is stated to be $980. According to this message, the sole method of recovering the files is by purchasing the decryption keys and software from the cyber criminals. The ransom note informs victims that their data has been encrypted. Screenshot of files encrypted by Jhgn ransomware: Following the completion of this process, Jhgn created a ransom-demanding message named " _readme.txt". For example, a file originally titled " 1.jpg" appeared as " 1.jpg.jhgn", " 2.png" as " 2.png.jhgn", etc.
Once launched onto our test system, this ransomware began encrypting files and appended their filenames with a ". We learned that Jhgn is part of the Djvu ransomware family. Our researchers discovered this program while inspecting new submissions to VirusTotal.
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Jhgn is a piece of malicious software classified as ransomware.
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