Hackers Abuse Steam Workshop Application Wallpapers to Hijack Active Steam Sessions

Threat actors have been abusing Valve’s Steam Workshop since late 2025, embedding malware inside Wallpaper Engine application wallpapers to hijack active Steam sessions and infect victims with backdoors, infostealers, and crypto miners, with 89% of targets located in China, according to a new Kaspersky report. Wallpaper Engine is a hugely popular Steam application that lets […] The post Hackers Abuse Steam Workshop Application Wallpapers to Hijack Active Steam Sessions appeared first on Cyber Security News.

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