What is it?

Shell=Explorer.exe is associated with windows registry settings.

What does it do?

The Shell=Explorer.exe setting is usually followed by another .exe filename so that the file loads with windows explorer.

Windows explorer.exe is a valid windows file however the additional file is usually associated with/or is a file infected with malware.

More info:

For windows 9x/ME

There should be a line in system.ini that reads "shell=exlorer.exe" with nothing else!

If there is a file following the shell=exlorer.exe comment search for a discription of that filename our [url=http://service.iamnotageek.com/search.php]services[/url] and [url=startup.iamnotageek.com]startup[/url] database.

For windows NT, XP and windows 2k

You will find the shell=explorer.exe line in the following registry key HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsNTCurrentVersionWinlogon