MALWARE FAMILY

OctoberSeventh

Internal ID: win.october_seventh

aliases

Last seen:Mar 17, 2026

Intelligence Profile

Emanuele De Lucia summarizes that this wiper was sent to potential targets in phishing mails that impersonated ESET as a follow up to a breach of its Israeli distributor Comsecure.

Threat Analysis

OctoberSeventh 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://idanmalihi.com/eset-wiper-iranian-apt-group-toufans-politically-motivated-attack-on-israeli-firms/

→https://www.emanueledelucia.net/hey-eset-wait-for-the-leak-dissecting-the-octoberseventh-wiper-targeting-eset-customers-in-israel/

Quick Facts

TypeMalware Family

Aliases1

Also Known As

win.october_seventh

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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