What are these folders and files in my library folder?

Question

I have several suspicious folders and files in my library folder. And I was wondering if I should delete them.

• ApplicationaContents
• ApplicationContents
• ApplicationSupport

• appn

this is just a file containing the word:

hydrometrid

• arracacha

edit:

Answer 1

If you can’t be sure they are safe, make a backup and check you have a copy of the files and then delete them.

Library can be finicky when you delete something the system needs, but Application Support with a space is legitimate. The others you show in th image don’t come from Apple so they’re malware at worst or third party created at best.