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Recently got hijacked by "search.searchfmn", the only way I was able to get my home page back was by restoring Firefox. How do I make sure it is gone.
Windows 10 has "Windows Defender" which obviously didn't catch this, does any Virus Protection catch these Browser hijacking programs? Or is there some kind of settings that won't allow home page change with out permission?
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There are a number of ways that unwanted software could modify your home page. The most common are:
- Directly changing the setting, although you usually can fix this with a one-time change on the Options page (Startup, home page, tabs, and download settings)
- Installing an extension in Firefox (add-ons may change your home page at startup only, or may keep overriding your changes any time you make it)
- Creating a user.js file (overrides your normal settings at every startup; removed by a Refresh)
Extensions can be installed either in a particular profile folder -- in which case a Refresh will remove them to the Old Firefox Data folder on the desktop where they will no longer bother you -- or externally. External extensions usually are advertised in the Windows registry for Firefox to find.
If your post-Refresh Firefox has not reinstalled any bad extensions, you may be clean now. Just in case, you can view a compact list of your extensions on the support information page. Either:
- "3-bar" menu button > "?" button > Troubleshooting Information
- (menu bar) Help > Troubleshooting Information
- type or paste about:support in the address bar and press Enter
Scroll down to the Extensions heading and a table should follow showing all the installed extensions and whether they are enabled. Anything suspicious? If you like, you can select the heading and table and copy (Ctrl+c) then paste (Ctrl+v) into a reply here to get a second opinion.
Finally, to address the protection question, each security product has a different threshold for when annoying software is considered a threat to be removed. If you want to use some supplemental scanners, check out the list in our support article: Troubleshoot Firefox issues caused by malware.
Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up.