I agree with @bally12345 try a different ethernet cable. Also try different ethernet ports.
Also make sure there are no local issues affecting your performance. Look at Check service status at the top of the page. You can also a run a test on your equipment from there.
If nothing is showing you could also try the automated Service Status number 0800 561 0061. This often gives details of more local issues down to postcode level.
I see you've rebooted the hub, I would also try performing a factory reset of the hub if swapping the cables has made no difference..
Log into 192.168.0.1 if in router mode then go to Admin > Reload & Reboot > Restore default
EDIT - https://www.virginmedia.com/broadband/speeds shows the minimum upload and download speeds to expect.
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