Stealerium is a malware family tracked across 1 threat cluster and 3 intelligence report mentions on ThreatCluster. First observed December 3, 2025; most recent activity December 3, 2025.
Stealerium is a Windows information-stealer malware family that harvests credentials, browser data, and other sensitive information. Recent campaigns cloak the payload as an 'Executive Award' and deliver it via a delivery vector called ClickFix, combining social-engineering with loader/dropper techniques, making it a notable and active threat in credential-stealing campaigns.
A new campaign named 'Executive Award' is exploiting ClickFix to distribute Stealerium malware. This malware targets users by masquerading as a legitimate award notification, potentially compromising sensitive…