That is either raspberry or blackberry - it's some bramble. Nothing to be afraid of!

Looks like common blackberry to me

You only show one plant, it has to be either rasp or black berry, perhaps the red fruits of last year were unripe and then turned black.

Raspberry plants would have little prickles at the base of the stems and in this setting blackberries would likely have thorns, I can't see any in your photo.

Your bloom clusters are unlike raspberry blooms.

If each fruit is composed of many tiny bb-like drupelets each having one seed, and when ripe and smashed smells like a blackberry, then it is an edible Rubus species.

If the fruit is a single round drupe with one large or several small seeds inside, it may be not be edible.

@ Larry
From what I remember the fruits were classic or raspberry or blackberry plants with those little bb-like drupes in a cluster. Rubus family is all edible then?

Yea, Rubus is all edible, hundreds of species exist. IMHO they are blackberries. I never seen a raspberry flower like that. As you mention, they could be some wild Rubus neither raspberry or blackberry. I grow thimbleberries and wineberries, but the plants are new. Not sure what the flowers look like? I also have a thimble berry-raspberry cross.