MALWARE FAMILY
Lightning Stealer
Internal ID: win.lightning_stealer
1
aliases
Last seen:Mar 17, 2026
Intelligence Profile
Lightning stealer can target 30+ Firefox and Chromium-based browsers and steal crypto wallets, Telegram data, Discord tokens, and Steam user’s data. Unlike other info stealers, Lightning Stealer stores all the stolen data in the JSON format for exfiltration.
Threat Analysis
Lightning Stealer 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.
External References
Quick Facts
TypeMalware Family
Aliases1
Also Known As
win.lightning_stealer
Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.