Xupiter

Home page setting changes unexpectedly, or you cannot change your home page settings:
http://support.microsoft.com?scid=kb;EN-US;Q32015

Error message in mfc42.dll appears when starting, and the Internet Explorer quits:
http://support.microsoft.com?scid=kb;EN-US;Q813181

There are a few variations out there involving....

xupiter.com; browserwise.com; sqwire.com; orbitexplorer.com

Generates pop-up advertising, hijacks search engines, adds links to Internet Explorer, automatically tries to update itself.

Xupiter is the most likely cause of the following error:

Explorer caused an invalid page fault in MFC42.DLL

NOTE: Malware known as 'Browserwise' causes the error 'iexplore.exe caused an invalid page fault in MFC42.DLL'

Its presence, or a faulty uninstall, is implicated in the following error (unconfirmed):

failure sinking events IWebrowser2

It is also known to cause crashes involving the file xtupdate.dll and sundry other xt*.dll files.

An uninstall facility is available at the link below:

The "orbit" version can have an entry in add/remove programs.

The inexperienced computer user can get rid of Xupiter by running:

1. AdAware (available at http://www.lavasoft.de/)

and then...

An excellent replacement for AdAware is Spybot. Again, it is a free programme which can be downloaded from:

Manual Removal (not all points may apply)

Start Regedit

Go to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Delete the DWORD "XupiterStartup"

Delete the following registry keys:

HKEY_CURRENT_USER\Software\Xupiter

HKEY_CURRENT_USER\Software\SQ

HKEY_CURRENT_USER\CLSID\{0FDA4D2B-7975-405d-8D7C-F5E2247EAE80}

Run the following commands to unregister the various DLLs - note that some of the files may not exist on your computer.

cd c:\windows\system (or as appropriate for your computer)
regsvr32 /u "C:\Program Files\Xupiter\Updates\XupiterToolbar.dll"

Repeat for xtupdate.dll, xtsearch.dll, t.dll, u.dll, s.dll, toolbar.dll, redirector.dll, search.dll (not all files may exist on your computer).

regsvr32 /u "C:\Program Files\Browser\Updates\BrowserToolbar.dll"

Repeat for bwupdate.dll and bwsearch.dll