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Get rid of Pup.optional.defaulttab and get new tab free of annoying ads

Pup.optional.defaulttab messes up with browser settings. As name of this infection suggests, this particular threat is to change default tab of your browser, so that any time you try to open a blank page here comes some website of commercial or even misleading nature.
However, you have supposedly agreed on such changed, probably as you have grabbed some content from the web such as codec, games, free media, software.
The fact you have agreed, even if that has actually been a fact, does not entail you cannot remove Pup.optional.defaulttab because of that consent, if it actually has taken place, and, of course, you may seek help in the removal of Pup.optional.defaulttab.
Such assistance is one click away, just use free scanner supplied here to detect and clean all the garbage out of your PC, including the PUP in question.

Pup.optional.defaulttab behaviour and details:


  • Pup.optional.defaulttab may seriously slow your computer;
  • Pup.optional.defaulttab may be difficult to remove manually;
  • Pup.optional.defaulttab may generate other fake alerts;
  • Pup.optional.defaulttab is the consequence of other malware infections;
  • We recommend to remove Pup.optional.defaulttab automatically.

Automated removal:

It is critically important to get rid of Pup.optional.defaulttab , yet there might be a number of other threats to deal with. Without a doubt, presence of one infection on your PC increases the odds of having more than one threat, other things being equal, for every infection definitely weakens computer system.

The tool to get rid of Pup.optional.defaulttab takes the above consideration into account as it detects the infections through entire hard and removable memory submitted in order that it can delete the specified parasites. It is a multi-purpose solution to satisfy the variety of your computer protection needs. In the meantime, its ability to perform the extermination of rogue in question has been tested specifically, and empirical evidence available that it does cope with the task.

Manual removal instructions:

Incorrect or incomplete deletion happens when one or more constituents of deleted rogue are omitted and/or harmless files and registry values are abolished instead. Such improper act rather harms than cures. If you stand for the manual procedure and is about to apply it, please completely delete the rogue in a strict accordance with the list below.

Delete Pup.optional.defaulttab files:

%System%\drivers\[RANDOM CHARACTERS].sys

C:\WINDOWS\system32\[random name].dll


Remove Pup.optional.defaulttab registry entries:

ThreadingModel = “Apartment”HKEY_LOCAL_MACHINESOFTWAREClassesCLSID{89721a77-988b-43cb-81e4-89c101e44f15}InprocServer32

Related removal guides:

  1. Remove PUP.bProtector as it is too awkward for your OS – yet mostly useless and annoying
  2. Get rid of PUP.FCTPlugin that happens to be actually badly obtrusive add-on that comes along random content
  3. Get rid of PUP.BundleInstaller.IB, a fresh version of adware installer that comes along warez
  4. Remove CouponDropDown to get rid of annoying blue tags, in-text ads
  5. Removal of PUP.InfoAtoms as the potential risk is extremely hazardous


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