On Wednesday, an investigation into the exploitation of the anti-cheat driver for Genshin Impact came to a head, revealing a ransomware actor has found a way to kill antivirus protection. Making matters worse, Genshin Impact doesn't even have to be installed for the exploit to work.
Authors Ryan Soliven and Hitomi Kimura headed the investigation and published their findings on Trend Micro. They explained how the legitimate driver mhyprot2.sys, the anti-cheat software for Genshin Impact, was used to bypass antivirus protection.
In the past, developer HoYoverse has faced scrutiny for the software due to it continually running at the kernel level. This means it ran even after the game was closed and was close to the very core of a PC's total control system. Now, with word of the anti-cheat software being abused, it's clear how bad this looks, and Genshin Impact isn't alone when utilizing kernel level anti-cheats...remember the backlash against Valorant's?
"Genshin Impact does not need to be installed on a victim's device for this work," Soliven and Kimura stated. They go on to say the module to bypass antivirus is "very easy to obtain and will be available to everyone until it is erased from existence." Both authors expressed how malicious the exploit could become and noted, "certificate revocation and antivirus detection might help to discourage the abuse, but there are no solutions at this time because it is a legitimate module."
You can read more about their report on Trend Micro to learn more!
About the Author
Anthony Jones is a gaming journalist and late 90s kid in love with retro games and the evolution of modern gaming. He started at Mega Visions as a news reporter covering the latest announcements, rumors, and fan-made projects. FFXIV has his heart in the MMORPGs scene, but he's always excited to analyze and lose hours to ambitious and ambiguous MMOs that gamers follow.
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