If you didn't intentionally start a download, you should avoid opening files with cryptic names. However, if you know you were downloading something (like a bank statement or a software update) and the name just looks "broken," you can try the following:
Do you remember you were using when this file appeared in your downloads? File download sometimes downloads "descarga" file name Archivo de Descarga 8F99269416B05854C12BC2D1FAF...
Files that didn't finish downloading often stay in your folder with a .descarga or .part extension. If you didn't intentionally start a download, you
Use a tool like Kaspersky's file hash search to see if that specific hash is associated with known threats. Archivo de Descarga 8F99269416B05854C12BC2D1FAF...