HOMETHREATSBluStealer
MALWARE FAMILY

BluStealer

Internal ID: win.blustealer
1
aliases
Last seen:Mar 17, 2026

Intelligence Profile

Avast describe this malware as a recombination of other malware including SpyEx, ThunderFox, ChromeRecovery, StormKitty, and firepwd.

Threat Analysis

BluStealer 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

→https://blog.minerva-labs.com/a-new-blustealer-loader-uses-direct-syscalls-to-evade-edrs
→https://blogs.blackberry.com/en/2021/10/threat-thursday-blustealer-infostealer
→https://blogs.blackberry.com/en/2022/05/dot-net-stubs-sowing-the-seeds-of-discord
→https://decoded.avast.io/anhho/blustealer/
→https://twitter.com/GoSecure_Inc/status/1437435265350397957
→https://www.gosecure.net/blog/2021/09/22/gosecure-titan-labs-technical-report-blustealer-malware-threat/

Quick Facts

TypeMalware Family
Aliases1

Also Known As

win.blustealer

Research Links

MITRE ATT&CK VirusTotal Google (news) Twitter/X search
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
← All Threat Actors·Geopolitics Map·Search BluStealer