1. Open a browser, click Tools → Manage Plugins, and disable all suspicious plugins, or you can know exactly what to keep. Then → Tools → Internet Options → General Page → Delete cookies→ Delete Files → Check Delete All Offline Content → OK → Set the used disk space to be less than 8MB (I use1MB myself) → OK → Clear the history → The number of days that the webpage is saved in the history: less than 3 → Apply OK (my own setting is 0 days).
2. Restore the default values of browser advanced settings: Tools → Internet Options → Advanced → Restore the default settings.
3. How to restore the default browser "Tools" → Internet Options → Programs → There is a "Check Internet" at the bottom.
Is Explorer the default browser? Check the check mark in front and confirm.
4. Set the homepage: Tools → Internet Options → General → You can change the homepage address → Enter your favorite websites → Apply.
5. If the browser is poisoned, use Kaka Assistant version 4.0 to repair it, and then do plug-in immunization: full inspection → immunization. Then → uncheck all items → find the required items, uncheck the available plug-ins again → cancel immunization. You can use FLASH and a few players, and the rest should not be immune. After all the operations are completed, your browser will be fine.
6. Run →regedit→ enter the registry.
At →
HKEY _ LOCAL _ MACHINE \ SOFTWARE \ Microsoft \ Windows \ current version \ Explorer \ shellexecute hooks
This location has a normal key value {aeb6717e-7e19-1d0-97ee-00c04fd91972}.
Delete the others.
7. Check whether your browser is maliciously attached with plug-ins by some (game or other) installers → uninstall and clean it.
If the situation is serious, you can do the following:
Open the run input -> cmd-> Enter.
Then copy the following characters into the black cmd box, press enter, and wait for the registration of the dll file before closing it (the following is the code to run):
for
% 1
exist
(%windir%\system32\*。 dll)
do
regsvr32.exe
/s
% 1
Restart the computer when it is finished.