The .7z extension indicates it is a high-compression archive created with 7-Zip .
If the file is password-protected, standard antivirus software may not be able to scan the contents until it is extracted. This is a common tactic to bypass security checks. ys10 .7z
Ys X: Nordics (released internationally in late 2024, with a "Proud Nordics" edition in early 2026). ys10 .7z