MALWARE FAMILY

SPHijacker

Internal ID: win.sphijacker

aliases

Last seen:Mar 17, 2026

Intelligence Profile

According to Trend Micro, this is a tool designed to disable security products, adopting two approaches to achieve this purpose. One approach terminates the security product process by using a vulnerable driver, zamguard64.sys, published by Zemana (vulnerability designated as CVE-2018-5713). Meanwhile, another approach disables process launching by using a new technique that they named stack rumbling.

Threat Analysis

SPHijacker 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.trendmicro.com/en_us/research/23/e/attack-on-security-titans-earth-longzhi-returns-with-new-tricks.html

Quick Facts

TypeMalware Family

Aliases1

Also Known As

win.sphijacker

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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