Steam's Workshop feature, a community-driven platform for sharing custom-made game content across thousands of games and apps, was reportedly hijacked by attackers and may still be used to spread malware to PC gamers.
According to cybersecurity firm Kaspersky, Wallpaper Engine had been specifically targeted, as live background wallpaper packages infected with harmful code can lead to "a stolen Steam account or leave the victim’s system infected with backdoors or crypto miners."