threat-intel Dozens of malicious wallpapers found on Steam Workshop: gamers’ accounts at risk A widespread campaign involving malicious wallpapers distributed through the Steam Workshop has been identified, targeting gamers primarily in China and Russia. Attackers are exploiting the Wallpaper Engine’s sharing feature to embed malware, specifically application wallpapers, which allow for the execution of malicio… Securelist · Jun 16, 2026 High CNRUsteamwallpapermalware