Hi, not enough information. Free Music great. Did you put that there or did it appear after going to a site. Not enough information. *https://support.mozilla.org/en-US/kb/customize-new-tab-page Please use more than 1 scanner as each uses diff tech : *https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware Save your Report and google each before deleting anything as do not want to delete something you need, If need help : *https://forums.malwarebytes.com/topic/9573-im-infected-what-do-i-do-now/ Post in only 1 forum, then wait. Please let us know if this solved your issue or if need further assistance.

Can you attach a screenshot? *https://support.mozilla.org/en-US/kb/how-do-i-create-screenshot-my-problem *use a compressed image type like PNG or JPG to save the screenshot