Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

6.0.6000.16386 (vista_rtm.061101-2205) 71.43%
6.0.6000.16386 (vista_rtm.061101-2205) 14.29%
6.0.6000.16386 (vista_rtm.061101-2205) 14.29%
(Note, Microsoft publishes each variation of this file with the same version, but the hashes are unique.)

Relationships

Parent process
Related files

dfrgntfs.exe

Windows Disk Defragmenter by Microsoft

Remove dfrgntfs.exe
Version:   6.0.6000.16386 (vista_rtm.061101-2205)
MD5:   a5b31bfc46208b24d63dc8f85eaa54bd
SHA1:   3728b098001b80eed6c956ddad7f49f23161f19d
SHA256:   825ddba189f2a1fb698c45f6c16b3bb2f5f02859ed82a5b3c4453586ccedffa9
This is a Windows system installed file with Windows File Protection (WFP) enabled.

Overview

dfrgntfs.exe executes as a process under the SYSTEM account with extensive privileges (the system and the administrator accounts have the same file privileges) typically within the context of its parent svchost.exe (Host Process for Windows Services by Microsoft Corporation). This version is designed to run on Windows Vista and is compiled as a 32 bit program.

DetailsDetails

File name:dfrgntfs.exe
Publisher:Microsoft Corp.
Product name:Windows Disk Defragmenter
Description:Disk Defragmenter NTFS Module
Typical file path:C:\Windows\System32\dfrgntfs.exe
Original name:DFRGNTFS.EXE.MUI
File version:6.0.6000.16386 (vista_rtm.061101-2205)
Product version:6.0.6000.16386
Size:155.5 KB (159,232 bytes)
Build date:11/2/2006 12:32 AM
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C++
.NET CLR:No
More details

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.01300469%
0.028634%
Kernel CPU:0.00444695%
0.013761%
User CPU:0.00855774%
0.014873%
Kernel CPU time:473,837 ms/min
100,923,805ms/min
Memory
Private memory:48.08 MB
21.59 MB
Private (maximum):52.67 MB
Private (minimum):15.84 MB
Non-paged memory:48.08 MB
21.59 MB
Virtual memory:101.15 MB
140.96 MB
Virtual memory (peak):101.15 MB
169.69 MB
Working set:51.15 MB
18.61 MB
Working set (peak):52.67 MB
37.95 MB
Resource allocations
Threads:4
12
Handles:96
600

BehaviorsProcess properties

Integrety level:System
Platform:32-bit
Command line:C:\Windows\System32\dfrgntfs.exe -embedding
Owner:SYSTEM
Parent process:svchost.exe (Host Process for Windows Services by Microsoft Corporation)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows Vista Ultimate 42.86%
Windows Vista Home Premium 28.57%
Windows Vista Home Basic 28.57%

Distribution by countryDistribution by country

United States installs about 57.14% of Windows Disk Defragmenter.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 40.00%
Toshiba 40.00%
American Megatrends 20.00%
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