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The 20 May 2024 build (13521) is out.

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stahta01:

--- Quote from: ChosenName on May 21, 2024, 10:03:33 pm ---Windows Defender flagged the "CB_20240520_rev13521_win64.7z" file as containing "Trojan:Script/Wacatac.B!ml" and blocked the download. I allowed the download and scanned the file - which reported no issues.

Uncompressed the 7z file to a fresh folder and scanned: no issues.

--- End quote ---

This leads me to think it might be MS FUD issue. https://en.wikipedia.org/wiki/Fear,_uncertainty,_and_doubt

Tim S.

nenin:

--- Quote from: nina on June 10, 1975, 12:33:39 pm ---I don't think so. The other Mingw-w64 distributions don't have these problems.

--- End quote ---
This is not correct. Some nixMan builds also face this problem.
https://github.com/niXman/mingw-builds-binaries/issues
Likely it is related to the "heuristic" detection, which was problematic ab initio.

ThierryD:
Thank's for your comments and responses.

After search on Net about this "false or true" malware  "Gen:Variant.Barys.459296", I download MalwareBytes yesterday and run it (tempory test of tool).
Result : PUP detected on my two computers.
I decide to suppress all files detected with this tool. I rerun and no alert appear ... Good!

Today, I download (with Firefox) last nightly (20 may), and result is the same : download blocked another time with same alert.  It's annoying!
I conserve version 13518 (05 may) of CB to continue "my work" (current test : integrate last version of OneAPI Intel C/C++ compiler into IDE, it's work !).

Thank's.

Thierry D.

Miguel Gimenez:
False positives are a plague, specially with libraries. If any malware uses a library, some AV vendors will flag all software using said library as a virus.

I use UPX for packing the executables in my company's web page: Recently they are being flagged as virus even if some of them have not changed in the last ten years. This is because some malware uses UPX, not because UPX itself is infected.

nenin:

--- Quote from: Miguel Gimenez on May 22, 2024, 12:49:53 pm ---False positives are a plague, specially with libraries. If any malware uses a library, some AV vendors will flag all software using said library as a virus.

I use UPX for packing the executables in my company's web page: Recently they are being flagged as virus even if some of them have not changed in the last ten years. This is because some malware uses UPX, not because UPX itself is infected.

--- End quote ---
Week ago I built some lib with CMake. CMake compile some small codes to verify access to C functions like v*printf. So, one of these small exe (5 line of code) was catch by AV as the threat and exterminated.   :-X  However, CMake was happy and library was built finally. 10 year ago some most paranoid AV attacked gdb.  Now more or less normal AVs have problems with very plain code just because compiler differs from their expectations.

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