The builder was leaked online in after a disgruntled developer reportedly stole the code from the LockBit ransomware-as-a-service (RaaS) group. It was initially shared via Twitter accounts like @ali_qushji and @protonleaks , and the code has since been mirrored on platforms like GitHub .
: The core executable used to compile the final ransomware payload. LockBit3Builder.7z
: A modifiable configuration file that allows the attacker to customize ransom notes, target specific file extensions, and set command-and-control (C2) details. The builder was leaked online in after a
Ransomware generated with this builder inherits several advanced features from the original LockBit 3.0 strain: target specific file extensions
Malware analysis Lockbit 3 Builder.7z Malicious activity - ANY.RUN
: A tool to generate unique encryption and decryption keys.