Specifically, is a track by the artist Matt Gouck . The "AVANTI64" part likely refers to the catalog number or the label release on Avanti (a sub-label of Black Hole Recordings), which is a common naming convention for electronic and trance music files found on distribution platforms or promotional sites.
You can find the high-quality release on Beatport , Juno Download , or the Black Hole Recordings official shop. Download File Matt_Gouck-Am_Lost_Here-(AVANTI64...
If you are looking for this file, you can typically find it on major digital platforms: Specifically, is a track by the artist Matt Gouck