Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.1.7600.16385 (win7_rtm.090713-1255) 32.64%
6.1.7600.16385 (win7_rtm.090713-1255) 51.83%
6.1.7600.16385 (win7_rtm.090713-1255) 0.07%
6.0.6000.16386 (vista_rtm.061101-2205) 2.80%
6.0.6000.16386 (vista_rtm.061101-2205) 0.86%
6.0.6000.16386 (vista_rtm.061101-2205) 11.79%

Relationships

defrag.exe

Windows Disk Defragmenter by Microsoft

Remove defrag.exe
Version:   6.0.6000.16386 (vista_rtm.061101-2205)
MD5:   fa9713d6409fd4ff58dd50f3f0e849af
SHA1:   d6ee08082b725134de2c288643e30f93271a4352
SHA256:   ddc3f05cd5d42dce8809dd12d68278bcc3745f60806b462a7026d40fc25d539a
This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is defrag.exe?

Disk Defragmenter is a utility in Microsoft Windows designed to increase access speed by rearranging files stored on a disk to occupy contiguous storage locations, a technique called defragmentation. Defragmenting a disk minimizes head travel, which reduces the time it takes to read files from and write files to the disk. Beginning with Windows XP, Disk Defragmenter also reduces system startup times.

About defrag.exe (from Microsoft)

Disk Defragmenter consolidates fragmented files and folders on your computer's hard disk, so that each occupies a single, contiguous space on the volume As a result, your system can gain access to y

DetailsDetails

File name:defrag.exe
Publisher:Microsoft Corp.
Product name:Windows Disk Defragmenter
Description:Disk Defragmenter Module
Typical file path:C:\Windows\System32\defrag.exe
Original name:Defrag.EXE.MUI
File version:6.0.6000.16386 (vista_rtm.061101-2205)
Product version:6.0.6000.16386
Size:218.5 KB (223,744 bytes)
Digital DNA
PE subsystem:Windows Console
Entropy:7.282741
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

BehaviorsBehaviors

Scheduled tasks
  • The task 'ManualDefrag' runs in the path '\Microsoft\Windows\Defrag\ManualDefrag'
  • The task 'ScheduledDefrag' runs weekly in the path '\Microsoft\Windows\Defrag\ScheduledDefrag'
  • Entry path '\Defragmentation'
  • Entry path '\Microsoft\Windows\Defrag\ManualDefrag'
  • Entry path '\Microsoft\Windows\Defrag\ScheduledDefrag'

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.01295621%
0.028634%
Kernel CPU:0.00646370%
0.013761%
User CPU:0.00649251%
0.014873%
Kernel CPU time:8,674 ms/min
100,923,805ms/min
Memory
Private memory:1024 KB
21.59 MB
Private (maximum):3.57 MB
Private (minimum):3.48 MB
Non-paged memory:1024 KB
21.59 MB
Virtual memory:24.5 MB
140.96 MB
Virtual memory (peak):27.5 MB
169.69 MB
Working set:3.54 MB
18.61 MB
Working set (peak):3.57 MB
37.95 MB
Resource allocations
Threads:2
12
Handles:70
600

BehaviorsProcess properties

Integrety level:System
Platform:32-bit
Command line:C:\Windows\System32\defrag.exe -c -i
Owner:SYSTEM
Parent process:taskeng.exe (Task Scheduler Engine by Microsoft)

ResourcesThreads

Averages
 
RPCRT4.dll
Total CPU:0.52746318%
0.272967%
Kernel CPU:0.33370119%
0.107585%
User CPU:0.19376198%
0.165382%
CPU cycles:11,436,250/sec
5,741,424/sec
Context switches:104/sec
79/sec
Memory:780 KB
1.16 MB
defrag.exe (main module)
Total CPU:0.00059372%
Kernel CPU:0.00000000%
User CPU:0.00059372%
CPU cycles:44,294/sec
Memory:236 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 50.50%
Windows 7 Ultimate 26.50%
Windows 7 Professional 10.50%
Windows Vista Home Premium 7.50%
Windows 7 Home Basic 2.50%
Windows Vista Home Basic 1.00%
Windows Seven Black Edition 0.50%
Windows 7 Starter 0.50%
Windows 7 Enterprise 0.50%

Distribution by countryDistribution by country

United States installs about 42.71% of Windows Disk Defragmenter.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 23.66%
ASUS 19.85%
Hewlett-Packard 19.08%
Acer 11.07%
Toshiba 9.16%
Lenovo 4.58%
Sony 3.05%
GIGABYTE 2.67%
Intel 2.29%
Samsung 1.91%
Alienware 0.76%
Gateway 0.76%
NEC 0.76%
Sahara 0.38%
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