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The FBI is investigating malware hidden inside games hosted on Steam

The FBI believes a series of video games published on Steam in the last two years were embedded with malware by the same hacker.

TechnologyBy David ParkMarch 13, 20262 min read

Last updated: April 4, 2026, 4:45 AM

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The FBI is investigating malware hidden inside games hosted on Steam

7:55 AM PDT · March 13, 2026

The FBI is investigating a hacker suspected of publishing several video games laced with malware on the popular PC games store Steam, the agency said Friday.

In its announcement looking for victims who may have been infected, the FBI listed the following games suspected of being developed by the same cybercriminal over the last two years, hosted on the Steam store but embedded with malware: BlockBlasters, Chemia, Dashverse/DashFPS, Lampy, Lunara, PirateFi, and Tokenova.

This is not the first time hackers have been able to host malware on the Valve-owned games marketplace. Last year, hackers published several games on Steam that contained malware. The games were functional, if a bit rudimentary. In reality, the goal of their developer or developers was to act as a sort of Trojan horse, tricking gamers to install malware on their computers. Steam took the games down, but an unknown number of people were infected in the meantime.

Do you have more information about these malware-laden video games? From a non-work device and network, you can contact Lorenzo Franceschi-Bicchierai securely on Signal at +1 917 257 1382, or via Telegram and Keybase @lorenzofb, or email. You also can contact TechCrunch via SecureDrop.

Valve and the FBI did not respond to requests for comment.

cybercrime, cybersecurity, Gaming, Gaming, hackers, infostealer, malware, Security, Steam, Valve, Valve Software

DP
David Park

Technology Editor

David Park covers the tech industry, startups, and digital innovation for the Journal American. Based in Silicon Valley for over a decade, he has tracked the rise of major tech companies and emerging platforms from their earliest stages. He holds a degree in Computer Science from Stanford University.

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