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Uninstall request carries an identifier matching local registry state

A signed uninstaller sent an uninstall-start request with an identifier that matched a registry value recorded in the same sandbox analysis. The match helps explain the destination as a product-event reporting endpoint, though the evidence does not establish how the identifier was obtained or show a command-and-control exchange.

Nov 3, 2026, 09:41 (UTC+9)Last seenNov 3, 2026Severity26ByCTX TeamActorFIN6Skeleton SpiderIOC24MITRE15RegionsCNHKSG

A signed uninst.exe sent an HTTP request announcing type=uninstall&action=start&app=c_disk_clean. The request also carried an opaque identifier that exactly matched a value recorded in the Windows registry during the same sandbox analysis. That combination raises a more useful question than whether the executable contacted the internet: what local state was being represented in the uninstall report, and how does that help explain the destination’s role?

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Source: CTX Threat Intelligence