hello @Kim1006
Sorry to read of your unfortunate situation.
This has been a common scam in recent times.
Check all your settings on all your listing are as you have set them & reset them if necessary.
ABB UK contact details are here in CC if you use related keywords in the searchbox.
You may like to also search UK listings hacked/ etc in CC to see how others have come to a resolution & network with others in your area to see if they to have been hit with the same scam.
All the best & keep safe
Central To All Home & Location
There has also been online news articles relating to this scam if you search ABB News.