There is only one file type that uses the .KGTEMP extension:
KuGou Temporary Cache File
A KGTEMP file is a temporary cache file created by KuGou, a popular Chinese music application. It is the same as an .MP3 file but named using an md5 algorithm. KGTEMP files are used to store information about recently played MP3 songs so it can be quickly accessed by the KuGou app at a later time.
KGTEMP files are typically stored in the following location:
KuGou is a popular music streaming and download service used primarily in China. It is available to download for Windows, macOS, Android, and iOS.
Updated: February 7, 2018