THE article discusses the rise of malware distributing through 'Wallpaper Engine' on the Steam Workshop, targeting mainly gamers in China and Russia. Attackers exploit the app's ability to share custom wallpapers, embedding malware within them. Popular types of these wallpapers are 'application wallpapers,' which can execute code on users' machines, allowing attackers to hijack Steam accounts and install harmful software like backdoors or miners.
The investigation revealed numerous infected wallpapers available for download, raising concerns about the security of platforms like Steam. Recommendations for users include running antivirus scans on downloaded wallpapers and being cautious with unknown content.