Virus infection often causes these similar shortcut problems. Therefore, you should select a reliable anti-virus tool to protect your drive in future.
But, now, you need a third-third party hard disk recovery freeware to help you. Actually, there are many recovery tools out there. But not all of them can efficient recover all our data back. Honestly, I also tried many of them as my flash drive became inaccessible. But , this freeware proved to recover the largest amount of my original data. It was great.