删除注册表以下内容
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
<SymhMy><C:\WINDOWS\system32\iexpl0re.exe> [N/A]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run]
<KernelFaultCheck><%systemroot%\system32\dumprep 0 -k> [N/A]
<0z1qk91ks9><C:\WINDOWS\iexp1ore.exe> [N/A]
<s7><C:\WINDOWS\winlog0n.exe> [N/A]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run]
<main><rundll32.exe "C:\program files\internet explorer\use11.dll" mymain> [N/A]
[HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Winlogon]
<Userinit><userinit.exe,rundll32.exe C:\WINDOWS\system32\winsys16_070115.dll start> [N/A]
去键值那里(注册表右边的内容)双击把userinit.exe,(有逗号)后面的东西删去
重启电脑,按F8进入安全模式,
把下面的文件删了(显示全部文件可见)
C:\WINDOWS\system32\iexpl0re.exe
C:\WINDOWS\winlog0n.exe
C:\program files\internet explorer\use11.dll
C:\WINDOWS\system32\winsys16_070115.dll