Downloading from peer-to-peer networks or unencrypted direct download sites exposes your IP address. Copyright trolls monitor these networks specifically for popular niche content, including visual novels and anime games.
It looks like you’re referring to a file named — likely a split or partial piece of a larger archive from a release group called ImoutoShare (often associated with anime, manga, or visual novel sharing). -ImoutoShare- IS 64.rar