Multiple cybersecurity outlets report that threat actors are abusing Steam Workshop to distribute malicious content disguised as Wallpaper Engine packages. Researchers say attackers upload or otherwise place compromised wallpaper assets in the Steam Workshop ecosystem, making the malicious files accessible through a legitimate distribution channel. According to reporting, the malicious wallpaper packages can contain different types of malware, including infostealers and backdoors, and can lead to account compromise. One source also describes theft of credentials and account hijacking as part of the abuse. Coverage cites findings from cybersecurity investigations, including work attributed to Kaspersky and other researchers, indicating that the malicious Wallpaper Engine downloads on Steam Workshop target Steam users. The reports collectively emphasize that users may unknowingly download malware when installing wallpaper content from the community hub. The accounts agree that the core issue is not Wallpaper Engine itself, but the way Steam Workshop content can be misused to host harmful packages. The recommended practical takeaway in the reporting is caution when downloading and installing community-provided Workshop content, especially from unfamiliar or suspicious items.