Friday, June 14, 2024

FBI Released Master Decryption Key for All Version of GandCrab Ransomware

The Federal Bureau of Investigation (FBI) released master decryption keys for all the version ( 4, 5, 5.0.4, 5.1, and 5.2 ) of Notorious GandCrab ransomware which can be used for both organization or individual.

Gandcrab ransomware initially spotted in January 2018, and it is one of the most sophisticated ransomware which causes billion’s dollar damage around the world.

There 5 different versions spotted since the ransomware evolved and spread the infection via malicious spam emails, exploit kits, social engineering methods.

On June 1, the threat actors behind the GandCrab Ransomware released an announcement says they have stopped promoting the ransomware and asked affiliates to stop distribution of ransomware.

https://twitter.com/CryptoInsane/status/1134727041826377729

GandCrab Ransomware operators have earned more than $2 billion in ransom payments at an average of 2.5 million dollars per week.

Master Decryption Keys for GandCrab

FBI collaborated with various law enforcement agencies and from 8 European countries and Europol, private security firm Bitdefender and released A free decryption tool ( Found Here) that applicable for all version of GandCrab ransomware.

Also, the effect of this collaboration, All the version of Master Decryption keys for all new versions of GandCrab introduced since July 2018.

According to FBI release notes ” GandCrab operates using a ransomware-as-a-service (RaaS) business model, selling the right to distribute the malware to affiliates in exchange for 40% of the ransoms. GandCrab was first observed in January 2018 infecting South Korean companies, but GandCrab campaigns quickly expanded globally to include US victims in early 2018, impacting at least 8 critical infrastructure sectors. As a result, GandCrab rapidly rose to become the most prominent affiliate-based ransomware and was estimated to hold 50% of the ransomware market share by mid-2018. Experts estimate GandCrab infected over 500,000 victims worldwide, causing losses in excess of $300 million.

Master Decryption Keys

GandCrab v4 and 5

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

GandCrab v5.0.4 – v5.1 key

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

GandCrab v5.2 key

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

FBI released these Master keys for organisation to develop their own decryption tools.

You can read the complete guide of Ransomware Attack Response and Mitigation Checklist.

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Balaji
Balaji
BALAJI is an Ex-Security Researcher (Threat Research Labs) at Comodo Cybersecurity. Editor-in-Chief & Co-Founder - Cyber Security News & GBHackers On Security.

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