MALWARE FAMILY💰 FINANCIALHIGH

Fog

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

Intelligence Profile

According to SentinelOne, Fog Ransomware emerged in April of 2024 with operations targeting both Windows and Linux endpoints. Fog is a multi-pronged extortion operation, leveraging a TOR-based DLS to list victims and host data for those that refuse to comply with their ransom demands.

Threat Analysis

Fog 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 Fog 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, Fog is capable of targeted intrusions using adapted commodity tools alongside custom implants, maintaining operational security and evading standard detection mechanisms.

External References

Quick Facts

TypeMalware Family
Motivation💰 financial
Sophisticationhigh
Aliases1

Also Known As

win.fog

Research Links

Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.
Fog — Malware Family | Threat Intelligence | CTIWATCH.COM