Probably came along with some other software installation.
Googled "FastDataX 1.20".
Found the following link:
https://malwaretips.com/blogs/remove-fastdatax-adware/
There are other links to be found as well.
Google, read, and then consider your removal options.
Do be careful about software, etc. claiming to fix or otherwise remove "FastDataX".
Some of those sites show up no matter what problem you are seeking to solve.
Learn, figure the possible source, and then uninstall or remove as applicable.