High-quality skin or clothing textures are highly valued.

Compressed files like .rar from unofficial sources are common vectors for malware.

These are likely versioning or variation markers. "6s" could indicate a specific generation (like Genesis 6, though Genesis 8 and 9 are more current) or a revision number, while "3v" typically stands for "3rd Version" or "3 Variations." General Community Consensus

These files often contain paid assets from the Daz 3D store that have been shared illegally.