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New Cross-Platform ‘Luna’ Ransomware Solely Provided to Russian Associates

By Eduard Kovacs on July 22, 2022

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A brand new cross-platform ransomware named Luna can encrypt information on Home windows, Linux and ESXi, however its builders are solely providing it to Russian-speaking associates.

The ransomware is pretty easy, in keeping with Kaspersky, whose researchers analyzed the malware, but it surely makes use of an encryption scheme that’s not usually utilized by ransomware — a mixture of X25519 and AES.

Luna is developed in Rust, which makes it straightforward to port to totally different platforms, and can even assist evade static evaluation.

“Each the Linux and ESXi samples are compiled utilizing the identical supply code with some minor modifications from the Home windows model. For instance, if the Linux samples are executed with out command line arguments, they won’t run. As a substitute, they are going to show out there arguments that can be utilized. The remainder of the code has no vital modifications from the Home windows model,” Kaspersky researchers defined in a weblog publish.

Whereas many ransomware builders are ready to permit individuals from all around the globe to make use of their creation to make a revenue, cybercrime discussion board posts promoting Luna say the malware is simply out there to Russian-speaking associates. Primarily based on this and the errors within the English-language ransom notice, the researchers assume that Luna has been developed by Russian audio system.

After Russia launched its invasion of Ukraine, a number of Russian cybercrime teams began concentrating on organizations positioned in international locations that oppose Russia’s actions, and a few teams even brazenly expressed help for his or her authorities. It’s not shocking {that a} Russian group desires to solely work with native cybercriminals.

As well as, it’s turning into more and more widespread for ransomware to focus on ESXi servers. In Could, Pattern Micro reported seeing Cheerscrypt, a Linux-based ransomware apparently based mostly on leaked Babuk supply code.

The Black Basta ransomware, which emerged earlier this 12 months and has been linked to the Conti gang, has additionally focused ESXi digital machine photos, in addition to Linux methods. The lately emerged RedAlert ransomware has additionally focused ESXi servers.

Associated: It Would not Pay to Pay: Research Finds Eighty % of Ransomware Victims Attacked Once more

Associated: Organizations Warned of New Lilith, RedAlert, 0mega Ransomware

Associated: Black Basta Ransomware Turns into Main Risk in Two Months

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