If you are downloading a game or crack and want to show appreciation, Instead, click the green "Add Reputation" button (often showing as a thumbs-up or "+" sign) on the uploader's post. This is the correct etiquette on cs.rin.ru.
Please note: CS.RIN.RU is a forum primarily known for discussions about game file sharing, cracks, and Steam content. Their rules are strict about how content is shared to protect the site. cs.rin.ru forum rules §6