Pup.Bitminer is defined by its original reporter as a potentially unwanted program that can perform unwanted downloads. Those loads are made under the pretext of updating common software such as players and editors for various data types.
Observations have unveiled mass-loading of adware along with, or instead of, the declared updates. Removal of PUP.Bitminer, if you are going to clean your computer of every threat, is to cover the items loaded by the infection.
The original categorization of the malware as a potentially unwanted program does not reflect actual state of affairs, for the rogue is a disastrous parasite. Please note that failure to get rid of PUP.Bitminer in a good time causes irreparable damage up to complete destruction of data on your PC.
As lingering is not reasonable follow this link to remove PUP.Bitminer and other infections harming your PC.