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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 dfrgui.exe? Vista Defrag?

Vendor:      Microsoft Corporation
Product:     Microsoft
Vendor Website:      http://support.microsoft.com/kb/942092
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: dfrgui.exe - Windows Vista Defrag Utility.

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


dfrgui.exe is known to be a bad process. Learn more about protecting your PC from these bad processes with PC Matic.
dfrgui.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.
dfrgui.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: 0.02%
Average CPU use for this program: 0%
Average RAM for this program: 5 MB


Program Name MD5 Count
dfrgui.exe

MD5 Hashes

# Status MD5 Revision Name Size
1 Status 0xfb036244dbd2fadc225ad8650886b641 8/31/2018 3:53:00 PM Unknown Unknown Vista Defrag 0 KB
2 Status 0x2327c11b043fceb80be00cc8d077e9aa 7/27/2016 2:54:00 AM Unknown 6.0.6001.18000 (longhorn_rtm.080118-1840) Vista Defrag 655 KB
3 Status 0x1f1f237e63d202ae6d7aef6658cccc2d 6/3/2016 9:16:00 AM Unknown Unknown Vista Defrag 549 KB
4 Status 0xd0b74185f9bbaf57e9fe5049817810dc 9/12/2015 1:45:00 AM Unknown Unknown Vista Defrag 0 KB
5 Status 0x234a775e4be3d63fc28003ae7b632d0d 10/30/2014 3:22:00 PM Unknown Unknown Vista Defrag 573 KB
6 Status 0x4e1adfd94ca099db4a452cc8975dd706 3/13/2012 9:26:00 AM Unknown Unknown Vista Defrag 544 KB
7 Status 0x572b6ddc9dc24be8c9f0a4dd56d64c9e 9/11/2011 11:38:00 PM Unknown 6.0.6000.16386 (vista_rtm.061101-2205) Vista Defrag 630 KB
8 Status 0xf0253e331783e1029ceafdb898dc6524 12/2/2010 6:32:00 PM Unknown Unknown Vista Defrag 570 KB
9 Status 0x2eedce8793cc48e98c55eb1ce2ea6526 11/1/2010 10:12:00 PM Unknown Unknown Vista Defrag 573 KB
10 Status 0xa346fe12256dddc7cecdb45e9105728f 8/12/2009 8:13:00 AM Unknown Unknown Vista Defrag 573 KB
11 Status 0x7684d44a10e4899fc9124f04cd969b1c 6/10/2009 2:31:00 AM Unknown Unknown Vista Defrag 573 KB
12 Status 0x7f2fb6e0480dc9928c9ca55a069501df 5/16/2009 4:48:00 PM Unknown Unknown Vista Defrag 568 KB
13 Status 0xa00f83703f194e588827b587782dea54 4/7/2009 7:10:00 PM Unknown Unknown Vista Defrag 569 KB
14 Status 0x8a85ee128a3ea53ef288f395ff96aef0 12/27/2008 1:28:00 AM Unknown Unknown Vista Defrag 568 KB
15 Status 0xbf5b1622f8dc500c96d2796b4de53f2f 4/25/2008 3:36:00 AM Unknown 6.0.6001.17128 (longhorn.080101-1935) Vista Defrag 655 KB
16 Status 0xfa9e9822d3c178c16df7e423c2bf5fd0 12/31/2007 Unknown 6.0.6001.17052 (longhorn_rc1.071129-2315) Vista Defrag 655 KB


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