Move the file to your AddonPackages folder within your Virt-A-Mate directory.
The .var format in VaM is a compressed archive containing all the assets needed for a specific "look" or "scene." This package generally includes: Dnaddr.Yuko_HD_v1_9.1.var
High-resolution skin maps, including diffuse, specular, and normal maps, often designed to look realistic under various lighting conditions. Move the file to your AddonPackages folder within