Standard antivirus programs might miss the deep infection of Floxif. Security experts frequently recommend using the Malwarebytes Free Trojan Scanner
Using a generic "fix-it" link found on random forums is dangerous, as these often distribute more malware. symsrvdll virus removal tool link
Before you delete anything, you must understand the difference between a genuine system file and a malicious impersonator. Standard antivirus programs might miss the deep infection