Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.2.9200.16384 (win8_rtm.120725-1247) 0.21%
6.2.9200.16384 (win8_rtm.120725-1247) 0.21%
6.1.7600.16385 (win7_rtm.090713-1255) 0.82%
6.1.7600.16385 (win7_rtm.090713-1255) 0.82%
6.0.6000.16386 (vista_rtm.061101-2205) 0.21%
6.0.6000.16386 (vista_rtm.061101-2205) 0.21%
5.2.3790.1830 (srv03_sp1_rtm.050324-1447) 0.21%
5.1.2600.5512 (xpsp.080413-2105) 62.27%
5.1.2600.5512 (xpsp.080413-2105) 1.65%
5.1.2600.5512 (xpsp.080413-2105) 1.44%
5.1.2600.5512 (xpsp.080413-2105) 0.62%
5.1.2600.5512 (xpsp.080413-2105) 1.86%
5.1.2600.5512 (xpsp.080413-2105) 2.27%
5.1.2600.5512 (xpsp.080413-2105) 0.41%
5.1.2600.5512 (xpsp.080413-2105) 0.62%
5.1.2600.5512 (xpsp.080413-2105) 0.21%
5.1.2600.5512 (xpsp.080413-2105) 0.21%
5.1.2600.5512 (xpsp.080413-2105) 0.21%
5.1.2600.5512 (xpsp.080413-2105) 0.21%
5.1.2600.5512 (xpsp.080413-2105) 0.21%
5.1.2600.5512 (xpsp.080413-2105) 2.06%
5.1.2600.5512 (xpsp.080413-2105) 0.62%
5.1.2600.5512 (xpsp.080413-2105) 0.21%
5.1.2600.5512 (xpsp.080413-2105) 1.03%
5.1.2600.5512 (xpsp.080413-2105) 1.65%
View more


PE structurePE file structure

Show functions
Import table
RegDeleteValueA, RegOpenKeyExA, RegCloseKey, RegSetValueExA, RegCreateKeyA, RegCreateKeyExA
lstrcpynA, lstrlenA, GetSystemDirectoryA, GetSystemWindowsDirectoryA, GetVersionExA, GetACP, InitializeCriticalSectionAndSpinCount, DeleteCriticalSection, LocalFree, CloseHandle, ResetEvent, OpenEventA, CreateProcessA, lstrcatA, GetSystemInfo, lstrcmpiA, FreeLibrary, LoadLibraryA, CreateEventA, QueryPerformanceCounter, GetTickCount, GetCurrentThreadId, GetCurrentProcessId, GetSystemTimeAsFileTime, TerminateProcess, GetCurrentProcess, UnhandledExceptionFilter, SetUnhandledExceptionFilter, GetModuleHandleA, GetStartupInfoA, LocalAlloc, GetProcAddress, RegisterApplicationRestart, GetModuleHandleW, GetCommandLineW, GetStartupInfoW, InterlockedCompareExchange, Sleep, InterlockedExchange
TF_InitSystem, TF_GetGlobalCompartment, TF_InvalidAssemblyListCacheIfExist, TF_InvalidAssemblyListCache, TF_PostAllThreadMsg, TF_CreateCicLoadMutex, TF_UninitSystem
ClosePopupTipbar, GetPopupTipbar
EnumWindows, GetClassNameA, FindWindowA, PostMessageA, SetTimer, KillTimer, MsgWaitForMultipleObjects, PeekMessageA, TranslateMessage, DispatchMessageA, GetMessageA, SetWindowPos, LoadCursorA, RegisterClassExA, DefWindowProcA, PostQuitMessage, CreateWindowExA, GetSystemMetrics


CTF Loader by Microsoft

Remove CTFMON.exe
Version:   5.2.3790.1830 (srv03_sp1_rtm.050324-1447)
MD5:   5017cac616d0215ad82e63500cd7cb76
SHA1:   7ab6255d91379c6dee9a1799b8a3709f592b6203
SHA256:   2c64903c0a71c0d0f90188b3223ecc1aa149a0ed4868b19280689859899fc0a2
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is CTFMON.exe?

CTF Loader, a Microsoft Windows process relating to the ctfmon.exe file, which monitors active windows and provides text support for speech and handwriting recognition, keyboard, translation, and other technologies.


ctfmon.exe executes as a process with the local user's privileges. It is set to be run when the PC boots and the user logs into Windows (added to the Run registry key for the current user). It has been configured with a firewall exception which allows both inbound and outbound network communication without being blocked. .


File name:ctfmon.exe
Publisher:Microsoft Corporation
Product name:CTF Loader
Description:Microsoft® Windows® Operating System
Typical file path:C:\Windows\System32\ctfmon.exe
File version:5.2.3790.1830 (srv03_sp1_rtm.050324-1447)
Product version:5.2.3790.1830
Size:20.5 KB (20,992 bytes)
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++
More details


Startup files (user) run
Runs under the registry key 'HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
  • 'ctfmon.exe' → C:\WINDOWS\system32\ctfmon.exe
Windows firewall allowed programs
Exceptions allow programs to access to the Internet through an outbound connections
  • Firewall exception for 'C:\WINDOWS\system32\ctfmon.exe'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 97.00%
Windows 7 Home Premium 1.00%
Windows Vista Home Premium 1.00%
Windows 7 Home Basic 0.50%
Windows 8 Pro with Media Center 0.50%

Distribution by countryDistribution by country

United States installs about 29.23% of CTF Loader.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 30.33%
Intel 12.30%
Toshiba 10.66%
American Megatrends 9.84%
Hewlett-Packard 6.97%
Compaq 6.56%
ASUS 4.92%
Sahara 3.69%
Lenovo 3.28%
Gateway 2.46%
Acer 1.64%
Sony 0.82%
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