Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.3.9600.16384 (winblue_rtm.130821-1623) 8.54%
6.3.9600.16384 (winblue_rtm.130821-1623) 0.50%
6.3.9600.16384 (winblue_rtm.130821-1623) 12.81%
6.3.9431.0 (winmain_bluemp.130615-1214) 1.26%
6.3.9431.0 (winmain_bluemp.130615-1214) 0.25%
6.2.9200.16384 (win8_rtm.120725-1247) 12.31%
6.2.9200.16384 (win8_rtm.120725-1247) 62.56%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.50%
6.2.8400.0 (winmain_win8rc.120518-1423) 0.50%
6.2.8250.0 (winmain_win8beta.120217-1520) 0.25%
6.2.8102.0 (winmain_win8m3.110823-1455) 0.50%

Relationships

defrag.exe

Windows Drive Optimizer by Microsoft

Remove defrag.exe
Version:   6.3.9431.0 (winmain_bluemp.130615-1214)
MD5:   bc9b8f2ffee106db34b3b8b92d34836b
SHA1:   14677238e5fb584735b3879b60d8703959970040
SHA256:   3a596efb77e94b2ec6b186600dc69889f0526c9e57298e633a86138b807f045a
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 Drive Optimizer
Description:Disk Defragmenter Module
Typical file path:C:\Windows\System32\defrag.exe
Original name:Defrag.EXE.MUI
File version:6.3.9431.0 (winmain_bluemp.130615-1214)
Product version:6.3.9431.0
Size:179.5 KB (183,808 bytes)
Build date:6/15/2013 3:43 PM
Digital DNA
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

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

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 8.1 23.00%
Windows 8 21.00%
Windows 8 Pro 17.50%
Windows 8.1 Pro 10.50%
Windows 8 Single Language 7.00%
Windows 8.1 Single Language 4.00%
Windows 8 Pro with Media Center 4.00%
Windows 8.1 Pro with Media Center 3.00%
Windows 8 Enterprise 2.00%
Windows 8.1 Pro Preview 2.00%
Windows 8 Enterprise N 1.00%
Windows 8.1 Enterprise 1.00%
Windows Developer Preview 1.00%
Windows 8.1 N 0.50%
Windows 8.1 Enterprise Evaluation 0.50%
Windows 8 Enterprise Evaluation 0.50%
Windows 8 Pro N 0.50%
Windows 8.1 Single Language Preview 0.50%
Windows 8.1 Pro Preview with Media Center 0.50%

Distribution by countryDistribution by country

United States installs about 39.20% of Windows Drive Optimizer.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Lenovo 16.42%
ASUS 14.18%
Dell 14.18%
Toshiba 13.43%
Hewlett-Packard 13.06%
Acer 10.82%
Sony 7.46%
Intel 3.73%
GIGABYTE 2.99%
Samsung 1.49%
Alienware 0.75%
Medion 0.75%
American Megatrends 0.75%
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