MALWARE FAMILY

FrigidStealer

Internal ID: osx.frigid_stealer

aliases

Last seen:Mar 17, 2026

Intelligence Profile

According to Proofpoint, FrigidStealer FrigidStealer uses Apple script files and osascript to prompt the user to enter their password, and then to gather data including browser cookies, files with extensions relevant to password material or cryptocurrency from the victim’s Desktop and Documents folders, and any Apple Notes the user has created.

Threat Analysis

FrigidStealer 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://www.proofpoint.com/us/blog/threat-insight/update-fake-updates-two-new-actors-and-new-mac-malware

Quick Facts

TypeMalware Family

Aliases1

Also Known As

osx.frigid_stealer

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.

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