There are 3 repositories under ransomware-decryption topic.
Small collection of Ransomware organized by family.
RansomwareSim is a simulated ransomware
Tools developed by the Zscaler ThreatLabz Threat Intelligence team
All-in-One Ransomware Decryption Tools (Unofficial Mirror)
A diverse collection of privacy, security, and FOSS resources in English and Arabic, encompassing tools, extensions, operating systems, encryption, and more. An invaluable repository for bolstering digital security and privacy.
This repository comprises of malware ( cryptominers, ransomeware and botnet) decrypters
Prevention against Ransomware attack, an automated implementation which help to prevent ransomware attacks