Trojan igfxupdate.exe processor 100% when task manager closed

Subject:

I have been affected by this trojan and finally found an answer on a forum that helped me solve the problem.http://www.sevenforums.com/performance-maintenance/270405-cpu-stuck-100-unless-task-manager-open.html

1/ Open the Task Manager (and let if open)2/ Go in C:\Windows\System32 and delete "igfxupdate.exe"3/ Go in C:\Windows\SysWOW64 and check if "igfxupdate.exe" is also here, if yes delete it4/ Open the windows services management consoleStart > Execute > services.msc or Start > type "services.msc" in the search bar (Windows 7)5/ Look for "Search Indexer" -> Right click -> Properties and change the "Automatic" into "Disabled"6/ Reboot7/ Open the Windows CMD as an AdministratorStart > type "cmd" in the search bar (Windows 7) -> Right click -> Run as an Administrator8-> Type "sc delete SearchIndexer" then hit Enter

2014-08-16 16:24:10gstlouis