File libmwtester_core_mi.dll from R2022b flagged as trojan virus

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Laurent Storrer
Laurent Storrer 2022-11-29
评论： Laurent Storrer 2022-11-29
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

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采纳的回答

Stefanie Schwarz
Stefanie Schwarz 2022-11-29
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:
https://www.mathworks.com/matlabcentral/answers/1866448
HTH, Stefanie

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