Always check the rules of your specific tracker. Many private trackers have strict "anti-cheat" scripts, and using RatioMaster can lead to a permanent ban.
files for RatioMaster 1.7.5 to stay current with tracker updates. Avoid "New" Torrents ratio master 175
It is a portable .exe file. You can run it from a USB drive without leaving traces on your system registry. Always check the rules of your specific tracker