The security researchers from Palo Alto Networks Unit 42 observed HelloXD ransomware targeting multiple windows and linux systems. Daniel Bunce and Doel Santos, Researchers from Palo Alto Networks Unit 42 said in a recent blog, “Unlike other ransomware groups, this ransomware family doesn’t have an active leak site; instead, it prefers to direct the impacted victim to negotiations through TOX chat and onion-based messenger instances.” The researchers noticed that one of the samples deployed MicroBackdoor, which is an open-source backdoor allowing an attacker to browse the file system, upload and download files, execute commands, and remove itself from the system.

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