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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 cpuidle.exe? CpuIdle?

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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: cpuidle.exe - Under Windows 9x/Me, halts the processor when there is nothing to do in order to reduce power consumption. As a side effect, it will also make many CPU measurement programs falsely report that CPU usage is at 100%. We recommend that it be disabled.

cpuidle.exe uses excessive system and memory resources with no corresponding benefit. Applications such as these should be disabled to improve overall system performance.


cpuidle.exe is known to be a bad process. Learn more about protecting your PC from these bad processes with PC Matic.
cpuidle.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.
cpuidle.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: 0.00%
Average CPU use for this program: 90%
Average RAM for this program: 5 MB


Program Name MD5 Count
cpuidle.exe

MD5 Hashes

# Status MD5 Revision Name Size
1 Status 0xc679f119ffd402b5e2ef15634590b46f 1/19/2012 11:04:00 PM Unknown 7.5.0.10 CpuIdle 817 KB
2 Status 0x1d863ed3d352657a5413febb978eeb76 9/1/2011 5:15:00 PM Unknown 7.0.1.2 CpuIdle 777 KB
3 Status 0xecc6dbbe3a93bcaba9cc66a310e135b5 6/23/2011 3:55:00 AM Unknown 7.0.1.2 CpuIdle 291 KB
4 Status 0x73769729262cfb1c161df2ceac4007d2 2/14/2011 10:04:00 PM Unknown 7.0.4.13 CpuIdle 478 KB
5 Status 0x8dc212098ab6928b2280f2647ab49561 12/22/2010 3:59:00 PM Unknown Unknown CpuIdle 882 KB
6 Status 0x2daa4e8cf9f32085c7601adcb36c11f7 11/10/2010 11:17:00 AM Unknown 7.5.0.10 CpuIdle 820 KB
7 Status 0x49e6fd6a34b2e4e13797d305261b9369 5/25/2010 6:48:00 PM Unknown Unknown CpuIdle 807 KB
8 Status 0x3f7b96c866492f2a4047d820ad9ee568 1/29/2010 5:17:00 PM Unknown 7.0.4.13 CpuIdle 786 KB
9 Status 0xd90d7b539e1b89f5e274f90be79a82b5 1/19/2010 3:37:00 PM Unknown 7.1.0.6 CpuIdle 803 KB
10 Status 0x48998ca4f3d564a6f9822ac788650f3f 10/14/2009 3:03:00 PM Unknown 6.0.2.49 CpuIdle 882 KB
11 Status 0xa32acdf61b55058ccc4009c7133c9f66 9/27/2009 4:14:00 PM Unknown 7.5.0.10 CpuIdle 818 KB
12 Status 0x307caacf379a0c81636270241a6b76e5 9/12/2009 1:57:00 PM Unknown Unknown CpuIdle 907 KB
13 Status 0x7bb68a7f07015213bcaab5da91542975 5/16/2009 12:46:00 PM Unknown Unknown CpuIdle 914 KB
14 Status 0x867c797ddf927c3bfbc36faa42ef4aa7 4/7/2009 5:59:00 PM Unknown Unknown CpuIdle 788 KB
15 Status 0x6c1f71c9793d67c85a1fc5ba696dbbd2 2/2/2009 1:06:00 AM Unknown 7.0.4.13 CpuIdle 788 KB
16 Status 0x123698c141c67c979606f5b00e85af8b 1/10/2009 12:46:00 AM Unknown 7.0.4.15 CpuIdle 805 KB
17 Status 0x9adf19d0cb52898b843241ca9e6299f7 12/24/2008 12:32:00 PM Unknown Unknown CpuIdle 788 KB
18 Status 0x48a525294bd59350a045da16ed09256b 11/30/2008 11:59:00 PM Unknown 7.0.4.15 CpuIdle 799 KB
19 Status 0x860c3668db4268d1cf2c243426e5be32 11/16/2008 2:15:00 AM Unknown Unknown CpuIdle 798 KB
20 Status 0x925d605f5d618f3840902e26d369bca1 9/14/2008 10:38:00 AM Unknown 6.0.1.3 CpuIdle 994 KB
21 Status 0xd481476d3b3008e5cfc09239571651a7 9/13/2008 6:06:00 PM Unknown CpuIdle 188 KB
22 Status 0xdcd55eddf9a75b00ae97ddc3497c4e18 7/3/2008 3:33:00 PM Unknown Unknown CpuIdle 818 KB
23 Status 0xd1d52d5ac3fe0fc6688f923d9501fd47 6/21/2008 7:44:00 PM Unknown Unknown CpuIdle 284 KB
24 Status 0x3b84482af14a2f08397af02f94238aab 4/28/2008 5:35:00 PM Unknown Unknown CpuIdle 805 KB


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