Dozens of Malicious Wallpapers Found on Steam Workshop, Gamers' Accounts at Risk
Kaspersky's Securelist reported on June 16 that malware has been spreading rapidly through Steam Workshop, the platform's built-in service for sharing custom player content, since late 2025.
At a glance
- Kaspersky found dozens of malicious wallpapers distributing malware via Steam Workshop.
- The campaign has been active since late 2025 and primarily targets gamers in China and Russia.
VERDICT — CONFIRMED
Malware has been spreading rapidly through Steam Workshop, the platform's built-in service for sharing custom player content, since late 2025, Kaspersky's Securelist reported June 16.
Dozens of malicious wallpapers were found on the service, per the report, putting gamers' accounts at risk, and the attackers behind the campaign are primarily targeting users in China and Russia, per Kaspersky's assessment.
Not specified in the available summary: the malware families involved, infection counts, the mechanism by which wallpaper content delivers malicious code, and any response from Valve, which operates the Steam platform. The findings, the late-2025 start date and the China-Russia targeting assessment are attributed to Kaspersky's researchers; the full Securelist post was not reviewed, and independent confirmation was not available in the material reviewed.
Key facts on file
- Kaspersky found dozens of malicious wallpapers distributing malware via Steam Workshop.
- The campaign has been active since late 2025 and primarily targets gamers in China and Russia.
