Msopt
Overview
Msopt is a Browser Helper Object with unknown purpose. Some security
sites refer to it as 'TrojanDownloader'
[1]
[2]
[3]
and its removal is recommended
[1]
[2]
[3]
[4].
Files
MSOPT.DLL
If you have any of the files related to Msopt on your system,
please send them
for additional analysis. Generally, I have only analysed a
few versions for each software component listed at this web site. With your help I
will be able to look at both old and more recent versions of the Msopt software.
Thank you very much for your time!
Log references
Log 477
Log 486
Log 494
Classification
Trojan Horse
Vendor
Unknown
Detection
Bazooka Adware and Spyware Scanner detects Msopt.
Bazooka is freeware and detects spyware, adware, foistware, trojan horses, viruses, worms and
other potentially unwanted applications.
Read more »
Uninstall Msopt with FreeFixer
I'm working on a general purpose tool for removing unwanted software.
The tool is called FreeFixer
and can help you remove unwanted Browser Helper Objects, Internet Explorer toolbars
and software that starts automatically when you reboot your computer, so it can offer some
assistance while uninstalling Msopt. The manual removal instructions
listed below will help you to identify what to delete with
FreeFixer.
Read more about FreeFixer.
Manual removal
Please follow the instructions below if you would like to remove Msopt manually. Please
notice that you must follow the instructions very carefully and delete everything that is mentioned. In most
cases the removal will fail if one single item is not deleted. If Msopt remains on your system
after stepping through the removal instructions, please double-check by stepping through them again.
-
Start your computer in safe mode.
-
Start the registry editor. This is done by clicking Start then Run.
(The Run dialog will appear.) Type regedit and click OK. (The registry editor will open.)
- Delete 'HKEY_LOCAL_MACHINE \ SOFTWARE \ Classes \ CLSID \ {B9D90B27-AD4A-413a-88CB-3E6DDC10DC2D}', if it exists.
- Delete 'HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows \ CurrentVersion \ Explorer \ Browser Helper Objects \ {B9D90B27-AD4A-413a-88CB-3E6DDC10DC2D}', if it exists.
- Exit the registry editor.
- Restart your computer.
-
Start Windows Explorer and delete:
%WinDir%\MSOPT.DLL
Note: %WinDir% is a variable (?). By default, this is C:\Windows (Windows 95/98/Me/XP) or C:\WINNT (Windows NT/2000).
Problems uninstalling? Click here.
I'm looking for your help!
Thank you for using my site, I hope you find it useful. I'm looking
for help from all users, please read more.
Contact information for Msopt's vendor
In order to provide correct, accurate and updated information about Msopt
I encourage the vendor to contact me if any part of this write-up
needs a revision.
Related links |
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Bazooka - Free scan for spyware, adware, trojan horses, keyloggers, etc. Detects more than 500 potentially unwanted applications. Freeware!
The File Database - Search the file database for more information. Free!
PopUp Blocker Test - Find out if your pop-up killer can handle all pop-ups. Free!
Kephyr Labs - Find out what is going on at Kephyr. Try products in an early stage of development.
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