There is a search engine tool button in the toolbar of IE browser, which can realize online search. After being tampered with, just click the search tool button and will link to the tampered website. This phenomenon occurs because the following registry is modified:
HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Search\CustomizeSearch
HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Search\SearchAssistant
Solution:
Run the Registry Editor, expand the above subkeys in turn, and change the key values of "CustomizeSearch" and "SearchAssistant" to the URL of a certain search engine.
HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Search\CustomizeSearch
HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Search\SearchAssistant
Solution:
Run the Registry Editor, expand the above subkeys in turn, and change the key values of "CustomizeSearch" and "SearchAssistant" to the URL of a certain search engine.