This is why you don't use proprietary software, especially when it comes from a company like Bittorrent. It's been known for years that uTorrent pushes ads, spyware, and other malicious shit on it's users and it's only been getting worse.
Quit being a pleb. Join the rTorrent or qBittorrent materrace.
Direct Link:
https://torrentfreak.com/utorrent-quietly-installs-riskware-bitcoin-miner-users-report-150306/Internet Archive/Wayback Machine:
https://web.archive.org/web/20150306171801/https://torrentfreak.com/utorrent-quietly-installs-riskware-bitcoin-miner-users-report-150306/