Jigsaw
Intelligence Profile
According to PCrisk, Jigsaw is ransomware that uses the AES algorithm to encrypt various files stored on computers. Targeted files include .jpg, .docx, .mp3, .mp4, and many others.
Threat Analysis
Jigsaw is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.
Financially motivated threat actors like Jigsaw prioritize monetary gain through methods such as ransomware deployment, banking trojans, cryptocurrency theft, BEC scams, or credential harvesting for resale on underground markets.
With high sophistication, Jigsaw is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.