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Beware of Malicious Steam Cleanup Tool Attack Windows Machines to Deploy Backdoor Malware
WHITE landshark11 2026-02-09 Modified: 2026-02-09
5
IOCs
LOW VOLUME
A sophisticated backdoor malware campaign has emerged targeting Windows users through a weaponized version of SteamCleaner, according to ASEC security researchers and a team of researchers from the University of California, Los Angeles.
uuidgithubsourceasecpowershellwindowssteamcleanersteam gamingseptemberasec security
MITRE ATT&CK & Malware Families
ATT&CK TECHNIQUES
Indicators of Compromise (5)
All domain
TYPEINDICATORDESCRIPTIONCREATED
domain 4tressx.com — 2026-02-09
domain aginscore.com — 2026-02-09
domain kuchiku.digital — 2026-02-09
domain rt-guard.com — 2026-02-09
domain screenner.com — 2026-02-09
References (1)
↗ https://cybersecuritynews.com/malicious-steam-cleanup-tool-attack-windows-machines/