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I would be very wary of that first file listed. From its name, it sounds like a keygen for software. Those are often times infected with real bad actors, not potentially unwanted programs.
The Hiren's Boot CD is probably a false positive. It's been a while since I last examined the Hiren's utilities, but I think one of them was a utility to extract the password from Windows accounts in case you couldn't access your PC. Defender might be flagging that in the ZIP.
Another thing to take into consideration about Hiren's Boot CD. It has not been officially updated for 11 years. It has unofficially been updated by the software community and is currently based on Windows PE called Hiren's Boot CD PE x64. It currently distributes as an ISO, so you may want to use a more up to date Hiren's Boot CD.
However, I believe you're getting these issues attempting to Verify a file and folder backup. While it probably won't help with that issue, if you delete those two files from being backed up and create new F&F's, you may be able to mitigate it repeating in the future.
EDIT: Actually, the Hiren's Boot CD flag is most likely a tool that extracts your Windows product key. I created the PE Hiren's Boot CD and Defender flagged a utility that appears designed to extract the Windows product key.