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[Archived] Cortex XDR flagging osu is a virus

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Esothi
1 post
Joined March 2022
Topic Starter
Esothi
Problem details:
I just updated osu and all of a sudden Cortex XDR is flagging osu as potentially malicious. I've had no problems running the game in the past. I tried re downloading but that still got quarantined and flagged. I just checked the hash on virustotal and one other antivirus has also flagged it. Any suggestions on what to do?

Video or screenshot showing the problem:
https://ibb.co/rHBKTLS
https://ibb.co/cJB8ccW
osu! version: Stable 20230101.2
Last edited by Esothi , edited 1 time in total.
Ryu Sei
2,897 posts
Joined October 2013
Ryu Sei
Just for curious, your antivirus sending a false positive. Here's the SHA256 of the latest osu!install.exe file (as per this post):
BE5854F78C69DD6B519B618EB57D7572C4EA15EF2DBD66D45D78ABF2C3C72BAF
I scanned using Microsoft Defender and it does not detect as a malware. The detections on VirusTotal website shows very small amount (only 1) of antivirus detecting it as a malware. If you're still unsure, you can run the program from sandbox environment and see if it does anything harmful.
Piine
1,573 posts
Joined March 2012
Piine
Definitely seems to be a false positive and looking at the hash provided matches the actual client.

From taking a look at the program itself, it seems that the XDR error code in the second image provided is quite common in regard to .exe files and installers due to specific anti-viral policies set by default or specifically by your computer's administrator.

If you aren't able to whitelist the program yourself as an administrator, it definitely seems you are out of luck.
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