Saturday, July 20, 2024

Akira Ransomware Expands to Linux with In-built Tor Website

According to recent sources, threat actors have been working on a new variant of cross-platform ransomware that is named “Akira”.

Akira was introduced to the cybersecurity sector in March 2023, which targets several financial institutions and organizations for stealing sensitive data.

Akira has been using a Tor website for their communications with perpetrators and for posting the leaked data publicly if their ransom demands are not met from any of the affected organizations.

Threat actors using ransomware-as-a-service (RaaS) have increased among the cybercriminal community as several source codes of many ransomware were leaked online that are being used for malicious purposes.

Akira Tor website (Source: K7)

Akira Linux Variant

Threat actors have created unique public RSA keys and unique IDs for every organization they attack.

These identifiers are then used to find the appropriate decryption keys when the demands are met. In addition, the unique ID is also used for communication purposes.

Public RSA key (Source: K7)

The unique key ID and their corresponding public RSA key are linked along with the ransom note. Furthermore, the ransomware also consists of an exclusion list of files for encryption. 

Exclusion list (Source: K7)
Unique ID for communication (Source: K7)

The ransomware not only consists of an exclusion list, but also contains a list of file extensions to be encrypted, which includes .sqlite, .sqlite2, and .sqlite3. 

K7 has published a complete report on this ransomware which includes the command line arguments and other information.

Organizations are recommended to take extra precautions when it comes to ransomware attacks. It is safe to keep a backup of important files for recovering systems after a ransomware attack.

Avast has recently released a decrypter for the well-known Akira Ransomware on Windows. Additionally, they are currently working on a decrypter for the Linux version of the ransomware.

It is not recommended to pay ransom demands as there is no guarantee that the ransomware groups will decrypt the files.

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Eswar is a Cyber security content editor with a passion for creating captivating and informative content. With years of experience under his belt in Cyber Security, he is covering Cyber Security News, technology and other news.

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