If you are wondering who or what changed your web browser settings without permission, it is highly likely to be an adware or another potentially unwanted program. Initially, if you see Trackid=sp-006 on your web browser, you should take action to terminate it immediately, as it tracks your cookie information via your browser and sends it to unknown actors.
In the meantime, their capability of looking for relevant information vastly diminished, which created a lot of frustration for users. Once typing in a search query on Google Chrome, users noticed that their searchers are redirected to unknown and suspicious websites. Trackid=sp-006 is a persistent tracker that started frustrating users since at least 2014.
Trackid=sp-006 is a browser infection that might be coming from synced items on Google Chrome What is trackid=sp-006? Trackid=sp-006 is a cookie tracker that might also be related to adware