AVG moves Skitch files into Quarantine for no reason

Hello Docsafe.
Thank you for contacting us here.
If you believe AVG has falsely detected a file as threat, please submit a false detection report to our developers.
They will analyze the file and get back to you with results.
Please visit https://www.avg.com/en-ww/false-positive-file-form to submit the sample.

When trying to install Skitch from Apple store, I get the following message:
"Threat secured!
We've moved EDAM to your quarantine because it was infected with Other:PUP-gen [PUP]."
This looks like a false positive. Can any help?
Regards,
Daniel

Hello Docsafe.
Thank you for contacting us here.
If you believe AVG has falsely detected a file as threat, please submit a false detection report to our developers.
They will analyze the file and get back to you with results.
Please visit https://www.avg.com/en-ww/false-positive-file-form to submit the sample.