File libmwtester_core_mi.dll from R2022b flagged as trojan virus

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Hi everyone,
I just updated my Matlab version to R2022b on Windows 10 and my Avast antivirus is flagging the following file as a Trojan virus of type Win64:Evo-gen[TrJ]:
MATLAB\R2022b\bin\win64\libmwxtester_core_mi.dll
I installed Matlab from the official website, so I would expect this is a false positive, but I would like to be certain. The sha256 file hash, obtained on Windows with the command
CertUtil -hashfile "C:\Program Files\MATLAB\R2022b\bin\win64\libmwxtester_core_mi.dll" sha256
is
ef2717ec9deb4bd6d69b0b850f8b8b16ffa76e52a82d7dd1f82b2109ddd712a5
and my Matlab version is
>> version
ans =
'9.13.0.2105380 (R2022b) Update 2'
Could anyone confirm that the hash value is correct? Thank you very much.
Best regards,
Laurent

Accepted Answer

Stefanie Schwarz
Stefanie Schwarz on 29 Nov 2022
Hi Laurent,
thank you for reporting this. I can confirm this hash value from my own MATLAB R2022b installation.
We are aware of this issue at MathWorks Support and it is safe to assume that this a false positive since we have only seen this issue reported by Avast and AVG antivirus users. See the following post for more info:
HTH, Stefanie

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