When I use the application patcher provided by Unity, my builds now get this when they are trying to be downloaded, vs the builds that aren’t patched do not have this issue. Does anyone else get the same or know what to do? This build needs to be released in a couple of days, so I’d rather just use …

As of that build, I was using 1.3.0 of the patcher. Since then, I updated the Unity version to 2022.3.62, and it has had this problem occasionally. Some members of the team would get the message that it’s a virus, some wouldn’t, and it would vary each build with the new Unity version. While with the…

Do any of the extracted files in particular get detected? Do you have any native plugins in your game? Is your executable signed?

The executable should be signed, it mainly just says the zip and doesn’t give any more information after that. Here’s some more screenshots of it being detected as a virus from some other team members. It’s extremely baffling as it just doesn’t give us any information about it. I’ve seen online some…

Can you send this zip file to me?

Windows Defender Quarantines and Detects game as Virus/Trojan

Q&A for CVE-2025-59489

Mike-Geig October 10, 2025, 3:06pm 2

What version of the patcher are you using? If you aren’t using the latest, can you try that?

Topic		Replies	Views
Built game detected as virus by Windows Defender Unity Engine	8	8520	November 12, 2024
Security patch tool skips with "Patch hash not found" (Unity 2021.3.16f1 Project) Q&A for CVE-2025-59489 2021.3-lts , Question	44	1406	October 14, 2025
Windows Defender finds trojan from build made by 2018.1.0b2 Unity Engine 2018.1-beta	2	2473	January 24, 2018
Trojan:Script/Wacatac.B!ml in build Unity Engine	18	15598	June 16, 2023
Builds are being detected as malware by Bitdefender...? Unity Engine Question	4	1462	December 23, 2023

Windows Defender Quarantines and Detects game as Virus/Trojan

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