Spiders scans websites. A ghost spider scans VR/Metaverse “rooms”. The ghost spider does not use an avatar to represent itself when it visits rooms. It has no visible presence to avatars. A ghost spider can follow an avatar, documenting its activities. A room can have policies on forbidden items for avatars. Two common problems with rooms are (a) unauthorised use of trademarks; (b) when users with avatars visit a room, (zombie) avatars often remain logged in and static, as their users do other tasks. The room falsely benefits in attendance numbers with zombies present. Our specification attacks both problems.