AVG blocking some script on website

Hello, when i'm trying to enter the allegro,pl (Polish online shopping website) avg sending me information thread neutralized.
The website was infected by JS:Includer-BJD [Trj].
When this script is blocked AVG not kincking me off the website, just blocking this script.
And probably this script is responsible for some actions in the basket. for example: changing number of things in cart and buing/paying for things.
Mobile version of AVG scannig allegro website and telling me the website is clean.
Please help me.

Hello Adam.
Thank you for contacting AVG Community Support.
We apologize for the inconvenience caused to you.
We certainly check and help you.
Please help us with a screenshot of the error message to check and help you further.
Here is the link which has the steps to take a screenshot :
| AVG (https://support.avg.com/SupportArticleView?l=en&urlName=AVG-Create-screenshot&q=How+to+create+a+screenshot&supportType=home)
Thank you.

Hello Adam.
Thank you for contacting AVG Community Support.
We apologize for the inconvenience caused to you.
We certainly check and help you.
Please help us with a screenshot of the error message to check and help you further.
Here is the link which has the steps to take a screenshot :
| AVG (https://support.avg.com/SupportArticleView?l=en&urlName=AVG-Create-screenshot&q=How+to+create+a+screenshot&supportType=home)
Thank you.