I updated my elderly copy of EaseUS Partition Master-Free last night. I was my wary self and did a custom install watching out for and rejecting anything loading alongside. However I still got the "sweet dreams" toolbar and the more troublesome and pervasive "conduit.com" neither of which Norton IS thinks is anything to bother about!
I used a malwarebites full scan, windows prog uninstall and ccleaner regcleaner, autoruns.exe, eraser, about:config in firefox ... before I got rid of everything associated.
They hijacked my searches and are widely regarded as a danger/threat. They took a lot of effort to get rid of. Norton IS should prevent/deal with them, it doesn't
EaseUS Partition Master-Free still seems fine itself, but be extra careful!