Though Zemana flags it as PUP, I would consider it safe to use, it's being certified by multiple labs (
腾讯电脑管家_权威认证, if you trust them), just like as
@TairikuOkami stated. However, you can never know what data it will transfer (but this is common for most vendors, to transfer data in the background). At least the Auto-SUD option is off by default (Auto report upon blocking suspected virus and Trojans - Cloud Protection Project).