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Running, Malicious, Unwanted, Memory Hogs

Welcome to the PC Matic Process Library. We maintain an extensive list of common processes running on today’s PCs. Within this library you can learn more about the processes running on your machine.

Process Library Detail

What is keyhook.exe? SIS keyboard daemon?

Vendor:      Silicon Integrated Systems
Product:     SIS Super VGA keyboard daemon
Vendor Website:      http://www.sis.com/
Last Seen by PC Matic:      No Data

Process is Bad PC Matic has analyzed this process and determined that there is a high likelihood that it is bad.
Process is questionablePC Matic has analyzed this process and determined that the safety of this process is questionable.
Process is goodPC Matic has analyzed this process and determined that there is a high likelihood that it is good.
Process is goodThis process is a Microsoft or Windows process, but many viruses use this file name to escape notice.

Purpose: 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.

keyhook.exe is required by third-party software or hardware and should not disabled.


keyhook.exe is known to be a bad process. Learn more about protecting your PC from these bad processes with PC Matic.
keyhook.exe could be a harmful process. Learn more about protecging your PC from these potential harmful processes with PC Matic.
This information brought to you by PC Matic. PC Matic's real-time protection, Super Shield, blocks ALL bad and unknown threats to keep your PC secure.
keyhook.exe is a Microsoft or Windows process but some versions of this exe carry viruses.
Learn more about protecting yourself from bad versions of this file with PC Matic.

Percentage of recently scanned PC's with this process running: 0.04%
Average CPU use for this program: 0%
Average RAM for this program: 1 MB


Program Name MD5 Count
keyhook.exe

MD5 Hashes

# Status MD5 Revision Name Size
1 Status 0x374db89cfb58cbc780aa973c0dbc0402 8/1/2016 4:18:00 PM Unknown 0.0.0.3590 SIS keyboard daemon 244 KB
2 Status 0xa141351c191a65b66e067326bac0a190 3/21/2016 1:55:00 AM Unknown 0.0.0.3654 SIS keyboard daemon 32 KB
3 Status 0xad4b20a54d92be78d00cc9c02c85b089 3/22/2015 11:39:00 PM Unknown 0.0.0.3540 SIS keyboard daemon 244 KB
4 Status 0xb194b01676c9cc4a697a4b34fd2c6e5d 7/28/2014 4:24:00 PM Unknown 0.0.0.3581 SIS keyboard daemon 244 KB
5 Status 0xd78b2f1c713c26b151bf9844b3166a3e 1/30/2012 2:32:00 PM Unknown 0.0.0.3660 SIS keyboard daemon 32 KB
6 Status 0x9cbdcc35585f413c6c0da57236cbd282 1/18/2012 10:52:00 PM Unknown 0.0.0.3560 SIS keyboard daemon 244 KB
7 Status 0xba6d89e1689068018046cd15772c7246 1/18/2012 7:16:00 PM Unknown 0.0.0.3571 SIS keyboard daemon 236 KB
8 Status 0xecdcfbea4caeaf2dd5e9d0092396dfc1 9/15/2011 12:01:00 PM Unknown 0.0.0.3591 SIS keyboard daemon 244 KB
9 Status 0x0e9748a140a5a6a86379e1993b574f8e 8/26/2011 1:29:00 AM Unknown 0.0.0.3620 SIS keyboard daemon 244 KB
10 Status 0x0f85dc2162ea48420e39bd186beb9f8a 7/27/2011 12:03:00 PM Unknown 0.0.0.3670 SIS keyboard daemon 32 KB
11 Status 0xa064c7c657538c565484c0f3b5f341ea 7/15/2011 12:41:00 AM Unknown 0.0.0.3600 SIS keyboard daemon 244 KB
12 Status 0x2873258116d99829fecf2d21c032bb0f 6/28/2011 11:12:00 PM Unknown 0.0.0.3580 SIS keyboard daemon 244 KB
13 Status 0x33a4ec5476f6bafbbb3aa4d61d2e594c 6/24/2011 11:56:00 AM Unknown 0.0.0.3690 SIS keyboard daemon 32 KB
14 Status 0x8c458044aad530f30011dcb2db736fa1 6/23/2011 4:31:00 PM Unknown 0.0.0.3510 SIS keyboard daemon 236 KB
15 Status 0xd43bed1dedc83fc93332afbff1e5d627 4/22/2011 5:42:00 PM Unknown 0.0.0.3670 SIS keyboard daemon 32 KB
16 Status 0xaccc334c95cbc3b1f89e7fb58f78f7c1 12/13/2010 6:13:00 PM Unknown 0.0.0.3530 SIS keyboard daemon 244 KB
17 Status 0x35b8ba2db4e93419e8f8ad9a377c4a5a 12/9/2010 9:16:00 PM Unknown 0.0.0.3640 SIS keyboard daemon 28 KB
18 Status 0x58b21609c1db784f56eb7e78b7bc4ca5 11/22/2010 7:39:00 PM Unknown 0.0.0.3520 SIS keyboard daemon 236 KB
19 Status 0x3df5a34da690b9b14e0f4992e3dd40ac 11/6/2010 6:01:00 PM Unknown 0.0.0.3600 SIS keyboard daemon 244 KB
20 Status 0xbd255f211ef750085ed3439dea2e5361 9/3/2010 9:20:00 PM Unknown SIS keyboard daemon 20 KB
21 Status 0xf36d1d9f27410a65e94ad5692ad758c6 7/27/2010 4:40:00 AM Unknown 0.0.0.3631 SIS keyboard daemon 244 KB
22 Status 0x42cad0ad5b7b22120738a2237832e79e 6/1/2010 3:56:00 PM Unknown 0.0.0.3550 SIS keyboard daemon 244 KB
23 Status 0xefde9cc3a3809b957af85b685b82b7d4 4/11/2010 9:23:00 AM Unknown 0.0.0.3570 SIS keyboard daemon 236 KB
24 Status 0xafeb31833006cff0efd0216c79b81266 3/12/2010 6:00:00 PM Unknown 0.0.0.3650 SIS keyboard daemon 28 KB
25 Status 0xd3d454d723d4da477c268746818aa407 12/19/2009 4:13:00 PM Unknown 0.0.0.3730 SIS keyboard daemon 32 KB


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