ctfmon.exe information

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Information and startup locations can be examined on this page: verify all your files to make sure that they are legitimate, digitally signed and from the company Microsoft Corporation to which they should belong.

ctfmon.exe security and file info

ctfmon.exe - Microsoft® Windows® Operating System - Microsoft Corporation
Filetype : executable
An executable file is a program that can be executed in your windows environment.

What is ctfmon.exe?
Ctfmon.exe is the part of Microsoft Office XP and later that is responsible for activating the Alternative User Input Text Input Processor and the Microsoft Office Language Bar. Essentially, it provides support for speech recognition, handwriting recognition, and other types of alternative user input. It may start on system boot, even if no other Microsoft Office applications are running.

This is a nonessential process that can safely be terminated as long as there are no Microsoft Office programs running. It is not recommended to terminate it while a Microsoft Office application is running or if you are using handwriting recognition, speech recognition, the language bar, or any other type of alternative user input. If you do not need the functionality this process provides and wish to permanently eliminate it, you can remove Alternative User Input support from your installation of Microsoft Office via the Add/Remove Programs control panel.

Dangers of ctfmon
As this is a process that runs on most Windows systems that have Microsoft Office installed, it is common for virus writers and spyware vendors to disguise their malware as the genuine ctfmon.exe.

Some malicious files will have the same name as this process but will be stored somewhere other than in %SystemRoot%\System32. Other malware will use a name that appears similar to that of the legitimate process but with slight differences in spelling or with appended digits. The following malware is known to disguise itself as ctfmon.exe:
  • SpyHoax-A
    • This is a trojan horse that attempts to convince the user to download SpySheriff, which claims to be anti-spyware software.
  • Infostealer.Raidys
    • This is a trojan horse that attempts to steal confidential information from an infected system.
  • CTFMONB (ctfmon.exe or ctfmonb.exe)
    • CTFMONB is a trojan horse that displays a blue screen with a yellow warning. Soon after, roaches appear on the screen, appearing to eat it. Once the roaches finish eating the screen, the system may restart.
  • Ctfmon32.exe
    • This filename is used by various spyware applications and viruses. If you see this filename, run a full virus and spyware scan immediately.
There will typically be only one copy of this process running at a given time. If more copies than this are running, one of the instances may be malware.

Common problems
  • Ctfmon.exe continues running after closing all Microsoft Office applications
    • This normal behavior. If you wish to eliminate the process, follow the instructions above.
  • The active window occasionally loses focus
    • If you do not need ctfmon.exe, uninstalling Alternative User Input should correct this problem.
Possible error for this file:
Application error, the application has generated errors and will be closed by windows

Our recommendation:
 Click here to run a FREE Scan for CTFMON.EXE related errors

MD5 File security rating
A MD5 hash is a unique fingerprint of a file.
Different files/versions can have the same filenames. The MD5 hash verifies that the legitimate file is not altered.
Runscanner (Freeware) can help you checking the file's MD5 hashes

Ctfmon.exe files in Runscanner database
  313 different item(s) in database
  2 different item(s) in database
  1 different item(s) in database
  167 different item(s) in database

Green items are verified safe to use
Unrated items are not yet checked for safety.
Red items are not safe (typically virusses, spyware or other malware)
This file is digitally signed by it's publisher.
This means that the file is from the company claiming to created it, this does not mean by default that the file is safe

General file info
Product name:  Microsoft® Windows® Operating System
Description:  ctfmon.exe
Company:  Microsoft Corporation
Fix CTFMON.EXE errors:  Free registry scan

Pacman startup database
CTFMon is involved with the language/alternative input services in Office XP. Ctfmon.exe will continue to put itself back into MSConfig when you run the Office XP apps as long as the Text Services and Speech applets in the Control Panel are enabled. Not required if you don't need these features. For more info on ctfmon see here. Ctfmon can be disabled from Control Panel, Text & Speech Services. Note - the file will always be located in the System32 folder, if it is located elsewhere it will likely be a worm or trojan! Can cause problems with some other programs if left enabled - see here for such an example
Family Keylogger is a program that lets you record to a special file and then view all the keystrokes typed by everyone using your computer. Keystroke logger/monitoring program - remove unless you installed it yourself! Found in the SystemCTF (9x/Me) or System32CTF (NT/2K/XP) folder
Added by the RAIDYS TROJAN! Note - this should not be confused with the valid Office XP file, see here
info provided by sysinfo.org

Automatic startup locations
  001 Running Processes
  002 Autorun registry entries local machine
  003 Autorun registry entries Current User
  004 All users startup startmenu
  005 Current user startup startmenu
  007 Roaming Start Menu\Programs\Startup
  008 Autorun registry entries Default user
  009 Autorun registry entries SYSTEM user
  010 Installed services
  050 Explorer ShellExecuteHooks
  052 Explorer Browser Helper Objects (BHO)
  067 Winlogon notify
  166 HKCU Policies\Explorer\Run

User comments for this file
It's part of Microsoft's Office Suite. Google how to remove it permanently from your system - it's not mandatory


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ctlcmgr.exe ctlcntr.exe
ctlface.sys ctlfacem.sys
ctlist.ocx ctljystk.sys
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Database search
Filename / Process
Guid / CLSID
MD5 hash

483 MD5 version(s) found
00004B51AF78167AC0E2...
008A899CBD4C4AF839C6...
01B4E6E990B6C5EA8856...
01E0BC2B993EBCCA9DBC...
01EB9CACBCA70288F704...
0277E1A3E8B337555A45...
05D449B7B03B4060A47B...
05E2CDB73918E630B976...
0787E74EE4A4BC7448DA...
07C627121E84C7EBF7E3...

only top 10 displayed

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