What is keyhook.exe? Is keyhook.exe spyware or a virus?

How to fix keyhook.exe related problems?
1. Run Security Task Manager to check your keyhook process
2. Run SpeedUpMyPC to fix related speed issues
3. Run Spyware Doctor to remove persistent malware


keyhook.exe is a part of the Super VGA Keyboard Daemon software from Silicon Integrated Systems (SiS), an OEM chip maker. It inserts itself into the processing sequence for keystrokes coming from the keyboard to enable hotkeys and support the proper operation of certain multimedia keyboards. It also implements a system tray icon to enable quick access to configuration options.http://www.neuber.com/taskmanager/process/keyhook.exe.html 

If you want a detailed security rating about your keyhook.exe (and all other running background processes) read the following user opinions, and download the free trial version of Security Task Manager.

Note: Any malware can be named anything - so you should check where the files of the running processes are located on your disk. If a "non-Microsoft" .exe file is located in the C:\Windows or C:\Windows\System32 folder, then there is a high risk for a virus, spyware, trojan or worm infection! Check it out!


Click to Run a Free Scan for keyhook.exe speed issues.


Users Opinions

Average user rating of keyhook.exe: 3.5 based on 89 votes. Read also the 82 reviews.

1245 users ask for this file. 47 users rated it as not dangerous. 3 users rated it as not so dangerous. 21 users rated it as neutral. 4 users rated it as little bit dangerous. 14 users rated it as dangerous. 8 users didn't rate it ("don't know").


All comments about keyhook.exe:
rate1 Part of SIS VGA driver   Windy
rate1 its a program for the SIS (usually with ASROCK) motherboard drivers.   safe
rate1 Not enough... What does it do , exactly?   mts0n
rate0 Sis keyboard VGA Daemon. Probably for hot keys as mentioned in the link below.   Concerned party
rate0 SIS graphics cards related: "Super VGA Keyboard Daemon" - hooks into the keyboard processing chain in order to enable hotkey settings.  See also: Link   Master
rate5 keyboard spy   Johnny
rate1 this allow miltimedia keyboards to work with the SIS audio drivers   turd flop
rate3 It enables the hotkey's on Logictech/MM keyboards   David from Australia
rate0 its using a lot of processor but for what reason I don't know... sure I have SIS installed but nothing to do with my keyboard.   stressedout
rate1 might have been nicer if they called the file "SiS-keyhook" oslt...  
rate1 Probably SIS related, definately harmless   Bruce
rate4 might be harm- (and use-)less, but older versions ar forcing some programs to crash (eg WordPerfect12 and QuattroPro12). Disabling and/or updating the SIS-driver solves the problem.   Michael aus Deutschland
rate1 for acer laptops   your owner
rate1 sis driver  
rate3 removing it from msconfig has no noticable impact.  
rate5 Not sure for one thing, but you have to be careful it doesn't cut you off the Internet.  See also: Link   EclipseWebJS2
rate1 one of Acer notebook drivers   MiMo
rate1 Part of SIS driver, definately harmless   Hugo
rate5 its a keylogger... i play ragnarok online and get hacked up to now ive disabled the file, and ive never been hacked since   Martin
rate1 its safe !   Foodear
rate0 it's a keylogger  
rate1 enable hotkey settings  See also: Link   why?
rate1 SiS driver  
rate5 keyboard logger   edgeist
rate4 unneccessary keyboard hook, potential security risk   moe120
rate1 SiS Driver   Dein Papa
rate3 try this: go to taskmanager - process - search for keyhook.exe. when you found it, press 'down' on the cursor keys. the display is now upside down.  
rate1 its Related to SiS Super VGA Keyboard Daemon (harmless)   -m3k0
rate3 smal red icon with sign "hot"   gotcha
rate3 can be used to spy your keyboard but the original file used by Sis is not dangerous.  
rate1 Acer Laptop multimedia keys. Detects when you hit one of your special laptop keys. Nothing dangerous at all.   Michael Santangelo
rate3 It causes my Acer laptop to freeze up, and I can't connect to the Internet. Ending the process frees up my laptop.   Ash from Canada
rate1 part of SIS vga driver, identified under file properties/version. Found on installation disk of motherboard. But fi you don't have an SIS chipset on your motherboard...   MyMaidMary
rate1 ACER Laptop SIS VGA related. Safe, but sounds ominous.   Chris Calgary Canada
rate1 it's a program that works with Acer Systems   Bjkliboy
rate5 It seems to be attempting to broadcast info   Ged
rate1 Sis driver for hot keys/buttons. Provides functionality for my email/browser etc. buttons on my laptop   codem0nkey
rate5 Divx used to come bundled with Gator which was spyware, it looks from the icon to be an unwanted freebie   Geoff
rate1 Keyhook.exe is harmless if your have SiS VGA Drivers Installed. Dated 08/2003 If not you should worrie.   Bob
rate1 sis component, not needed much, safe to remove.   Neil
rate3 Its a mainbord process but still it can be infected   Martijn
rate1 Its totally safe. not a virus/spyware,   mark
rate3 Keyhook.exe is used to allow multimedia keys on Acer multimedia keyboards to function correctly. If you stop this process all of the 'normal' keys on the keyboard should still function, but the multimedia keys will not. Only stop this process if it is causing instability to your system. Refer to the link. Hope this helps guys!  See also: Link   eklegein
rate2 That name sounds evil...too close to 'kernelhook.exe'   Groucho Marx
rate1 this is so that all the multimedia keys on a Acer multimedia keyboard function proberly, this does not effect the normall keys  See also: Link   Ed from UK
rate1 Non essential process that supports the SIS utility   Brad
rate3 It consumes 4MB, way too much for a keyhook.   arjan
rate1 It is just a driver for the SiS VGA..Totally harmless.   Hiyy11
rate1 Harmless. For multimedia keys on a keyboard.   Hoylake Computers
rate1 It isn't detected by any anti - virus or anti - malware and it doesn't affect my computer   thegameplayer
rate1 Acer Keyboards Multimedia Hotkeys   Dusty NZ
rate1 This program detects when you hit the shortcut keys on your keyboard. Not dangerous. may cause poor system performance. if you don't use the hotkeys on your keyboard regularly, i'd suggest removing it from your startup items. if you don't know how to do that, you can seriously screw your computer if you mess with those too much.   Otter from Florida
rate3 i have an acer laptop with this display driver. one day, quickbooks started crashing. i found that if i stopped keyhook from running, no more quickbook problems. i think it's harmless, but obviously it can cause conflicts.   harvey
rate3 Monitoring our network router - huge traffic load. Killing this server stopped traffic flow. Whatever it is, it's moving tons of data out to the Internet.   Paul
rate1 reinstall your keyboard driver, you'll probably find the error warning go.  
rate1 i though it was a key logger so i killed. but when i did my keyboard stoped working...can anyone explian that?   SKY
rate1 Driver for SIS keyboard daemon   JuanKa
rate3 related to SiS driver, but may cause troubles with other software (e.g. Visual Studio, TeXnicCenter)   Erkman
rate1 ACER Laptop SIS VGA related. Not dangerous   turdface
rate0 it can be keyboard spy   Infotec...
rate3 caused "Multiview2000" to crash on acer laptop/disabling in msconfig fixed problem (fix was found while trial/error killing non-essensial tasks and retesting multiview, when i killed keyhook multiview began working instead of crashing at logon/diabled keyhook in msconfig and multiview hasn't crashed since) -i do note that the path in msconfig was c:\windows\system32\keyhook.exe - am unsure if this is correct loc for acer keyhook so i may have had a trojon(?)   andygee51
rate1 SIS VGA Driver for sure. Just fixed a comp w/ keyhook.exe, while reinstalling sis vga drivers, I actually saw the "keyhook.exe" being installed   Archangellus
rate1 Part of SiS VGA driver   Sony
rate1 Its an Acer Laptop/notebook driver, dont disable it.   FlYrAtEr
rate3 possable logger but avast rated cleen   Adam
rate5 gererate a log file on c:\ with your activities. possible malicious prog using same name of sis vga utility.   gabriel
rate0 Don't have an Acer, have av Averatec with SIS and keyhook.exe is on my system   Paul from Texas
rate0 It crashes MyLabel Designer 9 on Acer laptop. Turning this process off solves the problem. However, older version 3.0B of MyLabel Designer is not affected by the keyhook.exe.   MiK
rate0 the link i gave has something about keyhook.dll that you may want to know  See also: Link  
rate1 This is for the SIS Video - but nice that trend micro flags it as questionable   michel
rate3 if it is not dangerous, whe doesn't it show up on sis.com   Jeff
rate1 does exactly what its sound like. its basically a driver and is used by lots of programs for keyboard shortcuts   Luke Cann
rate2 Re-install Sis vga driver - works fine for me.   Gus Hennings
rate3 Default when reloading Acer, but known issues with keyboard and mouse input. Locking up Acer Aspire 3000. Can be safely disabled and renamed in c:\windows\system32. After doing so, no issues are experienced in performance.   TechJosh
rate5 Dangerous for online gamers (login information). Deleted once and some how it came a few houres later back.   Fredosh
rate1 It's for Logitech Keyboards, it is safe. Disable it if you think it is causing you problems. or just disable it to test if your special keys on the keyboard work or not with it disabled.  
rate3 It is a normal process but it can be reconfigured as a key logger. If it appears to be running for no reason, remove it.  
rate3 Its harmless, the problem is its name is similar to something harmful (a keylogger). It comes from an older era thus the name is associated with modern spyware etc, thats the nature of that type of programming, they try to hide it as something you should have. SiS video drivers, Acer launch and keyboard hotkeys use the file name. I have all three of those, and have the error message at startup after trying to update the video driver direct from SiS website. "The file Keyhook.dll is not in the SysAp something or other".  See also: Link  
rate1 SiS driver Fresh installes system without internet connection   Installer
rate3 Either a keylogger, or a hotkey program   Caffeinecoder
rate1 a part of the Super VGA Keyboard Daemon software from Silicon Integrated Systems (SiS), an OEM chip maker   rbaev
rate5 everyone keeps saying acer, logitec, I have none of those on this computer, aopen keyboard, Microcrap mouse, generic MB, only thing is sis video card drivers, that shouldn't have anything to do with my keyboard   Tirreal

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