Netskope Threat Labs

CastleStealer

ATP Sandbox Adv. HeuristicsAV
First seen
June 2026
Last seen
October 2026
Alert Name
ByteCode-MSIL.Trojan.CastleStealer
Gen:Variant.CastleStealer.1
IL:Trojan.CastleStealer.1
IL:Trojan.CastleStealer.2
Win32.Trojan.CastleStealer
Win64.Trojan.CastleStealer