"Purchaser+" virus, how do i get rid of this?

so i dont know what it was that had this in it, but it looks like this: heres an Image of it how do i get rid of this? it doesnt show up in studio, only ingame.

Step 1: Don't insert free models with scripts in them.

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Well yea, use the explorer to your advantage and just search for "Script", delete whatever seems suspicious and that's that