The "KSMER" portion is almost certainly a shorthand for , a world-renowned EDM producer known for his extensive sample libraries.
: Catchy vocal chants, impacts, and transition effects used in electronic music production. Gaming & Cinematic Effects (Most Wanted) KSMER-MW.rar
The "MW" suffix frequently refers to , especially in the context of fan-made "Stuff Packs" or mod collections. The "KSMER" portion is almost certainly a shorthand
Based on similar files found in music production and gaming communities, here is the interesting content you can expect to find: such as sitars or flutes
: Unique world instrument loops, such as sitars or flutes, which are a staple of his packs.