Explorer.exe process causes CPU usage to occupy 100%

Q: My Computer Explorer.exe process caused CPU usage to occupy 100%, what should I do?

A: In the System.ini file, there is a "shell= filename" under [BOOT]. The correct filename should be "explorer.exe", if not "Explorer.exe", but "shell= Explorer.exe program name", then the following procedure is "Trojan" program, is that you have in the "Trojan Horse."

The most complex situation in the registry, open Registry Editor via the Regedit command, in the click to: "Hkey-local-machine\software\microsoft\windows\currentversion\run" directory, Check the key values are not familiar with their own automatic startup files, extension of EXE, here remember: some "Trojan" program generated by the file is very similar to the system itself file, want to pass camouflage, such as "Acid Battery v1.0 Trojan", it will be the registry " Hkey-local-machine\software\microsoft\windows\currentversion\run "under the

The Explorer key value is changed to Explorer= "C:\Windows\expiorer.exe", "Trojan" program and real explorer only between "I" and "L" difference. Of course, there are many places in the registry can hide the "Trojan" program, such as: "Hkey-current-user\software\microsoft\windows\currentversion\run", "hkey-users\****\ SOFTWARE\Microsoft\Windows\CurrentVersion\Run "In the directory is possible, the best way is in the" hkey-local-machine\software\microsoft\windows\ CurrentVersion\Run "To find the name of the Trojan horse program, and then search the entire registry."