I would recommend listening to some of the samples from the Mint, then you can make your own by opening the Melody version of Mint to create your own riffs!
Speaking from personal experience with Session Guitarist Deluxe Edition.
Let me know if it helped or if you need more info.
I think you may need to provide more information about how you setup this preset such as which Sound Preset and Pattern along with the amps and effects you have selected so we can try it and see if we hear the same thing.
Sounds like you have have selected one of the doubled Sound Presets