1.Close process: open Windows Task Manager( ctrl+Alt+Del), you will find only right click current user Isass.exe to close process is impossible together with the popup notes: this process cannot close because of the system process; so you should right click “task list”》task manager》click manu” View (V)”》select (S)…, then select ”PID” when popup box, then click “OK”. Find the image “LSASS.exe” and its user name is not “SYSTEM”, take notes of its PID number, then click “Start”》”run”, input “CMD”, and click “OK” to open DEVCON, input “ntsd-c q –p(PID), take my computer for instance, I should input “ntsd-c q –p 1132”.
2. Delete infected file; because all files need to delete most belongs to hidden files, you must setup all hidden files and system files to display files and display their extensional name; my computer》tools>folder option>view>select” display all hidden files and folders” and remove “recommend” of hiding all protected operation system files, then it will pop up warning, and select ”YES”, now all the hidden files will display to you. (note: after deleting virus, please recover the hidden files status to avoid deleting by mistake later)
Delete the following files:
C:NEWTRO FOLDER
C:Program FilesCommon FilesINTEXPLORE.pif
C:Program FilesInternet ExplorerINTEXPLORE.com
C:WINDOWSEXERT.exe
C:WINDOWSIO.SYS.BAK
C:WINDOWSLSASS.exe
C:WINDOWSDebugDebugProgram.exe
C:WINDOWSsystem32dxdiag.com
C:WINDOWSsystem32MSCONFIG.COM
C:WINDOWSsystem32 egedit.com
Right click D:, select “open” ( because the virus will automatically run by double click!), delete "Autorun.inf" and "command.com" under this dic directory.
3.Delete other rubbish info in Registry, here there are many writing process by this kind virus, if you don’t recover, lots of system performance may be damaged.
Change “regedit.exe” under Windows Directory into ‘regedit.com” and run, delete the following process:
HKEY_CLASSES_ROOT/WindowFiles
HKEY_CURRENT_USER/SoftwareVB and VBA Program Settings
Check_Associations under HKEY_CURRENT_USER/Software/Microsoft/Internet/ ExplorerMain
HKEY_LOCAL_MACHINE/SOFTWARE/ClientsStartMenu/Internet/INTEXPLORE.pif
ToP under HKEY_LOCAL_MACHINE/SOFTWARE/Microsoft/Windows/CurrentVersionRun
Change the default of HKEY_CLASSES_ROOT/.exe to exefile( the original is windowsfile)
Change the default of HKEY_CLASSES_ROOT/Applicationsiexplore.exe shellopencommand to "C:Program FilesInternet Exploreriexplore.exe" %1( the original is intexplore.com)
Change the default of HKEY_CLASSES_ROOT/CLSIDshellOpenHomePageCommand
to "C:Program FilesInternet ExplorerIEXPLORE.EXE"(the original is INTEXPLORE.com)
Change the default of HKEY_CLASSES_ROOT ftpshellopencommand
And HKEY_CLASSES_ROOThtmlfileshellopennewcommand
to "C:Program FilesInternet Exploreriexplore.exe" %1
(the original are INTEXPLORE.com和INTEXPLORE.pif)
Change the default of HKEY_CLASSES_ROOT htmlfileshellopencommand and
HKEY_CLASSES_ROOT/HTTP/shellopencommand to
"C:Program FilesInternet Exploreriexplore.exe" –nohome
Change the default of HKEY_LOCAL_MACHINE/SOFTWARE/ClientsStartMenuInternet
to IEXPLORE.EXE.(the original is INTEXPLORE.pif)
Change back the extensional name of regedit to exe under windows directory, here the virus is cleaned totally, and the Registy also works well again. Please enjoy it! .