Researchers Share In-Depth Analysis of PYSA Ransomware Group – The Hacker News

An 18-month-long analysis of the PYSA ransomware operation has revealed that the cybercrime cartel followed a five-stage software development cycle from August 2020, with the malware authors prioritizing features to improve the efficiency of its workflows.

This included a user-friendly tool like a full-text search engine to facilitate the extraction of metadata and enable the threat actors to find and access victim information quickly.

“The group is known to carefully research high-value targets before launching its attacks, compromising enterprise systems and forcing organizations to pay large ransoms to restore their data,” Swiss cybersecurity company PRODAFT said in an exhaustive report published last week.

PYSA, short for “Protect Your System, Amigo” and a successor of the Mespinoza ransomware, was first observed in December 2019 and has emerged as the third most prevalent ransomware strain detected during the fourth quarter of 2021.

Since September 2020, the cybercriminal gang…

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