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What is dtupdate.exe?

Part of DefaultTab Update Service by Search Results LLC

What is it?

DefaultTab Update Service is the software updater program which runs in the background of Windows and automatically starts up when your PC boots. It checks for software udpates and automatically downloads and installs them if found.
Description of dtupdate.exe from Search Results LLC
DefaultTab includes several performance enhancements for end users as well as additional customizations available for software distribution partners. DefaultTab™ already boasts an impressive array of features including One-Click Search™ from any web page, unobtrusive design and faster searches.
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How does dtupdate.exe run?

Service - dtupdate.exe runs as a background Windows service called 'DefaultTabUpdate' (DefaultTabUpdate). This service runs as the SYSTEM account with extensive privileges on the local computer, and acts as the computer on the network. DefaultTabUpdate runs as a program that can be started by the Service Controller and that obeys the service control protocol. This type of service runs in a process by itself.


What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the dtupdate.exe process running.Of the 0.1% of dtupdate.exe users, 89.0% have disabled it.
How resource intensive is dtupdate.exe?
Comparison based on the average resource utilization across all programs.
0.00494% CPU49436.9%
Average CPU utilization across all programs is 0.00001%.
     2.11 MB RAM9.8%
Average private memory utilization across all programs is 21.53 MB.
 40 /min1.8%
Average I/O read and write operations for all programs is 2,253 per minute.
         4 GDI objects2.7%
Average number of GUI GDI and USER objects for all programs is 150.
Typical file (disk image) location:

What modules are loaded?

A module is a dynamic link library (DLL) or an executable file that is loaded into the process. Below is a list of non-system modules that are loaded by DefaultTab Update Service.

What else is related?

What Windows OS versions does this run on?

Microsoft Windows XP (5.1.2600.131072)
Microsoft Windows XP (5.1.2600.196608)
Microsoft Windows XP (5.2.3790.131072)
Windows Vista (TM) Home Premium (6.0.6000.0)
Windows Vista (TM) Home Basic (6.0.6002.131072)
Windows Vista (TM) Home Premium (6.0.6002.131072)
Windows Vista (TM) Ultimate (6.0.6002.131072)
Windows 7 Professional (6.1.7600.0)
Windows 7 Ultimate (6.1.7600.0)
Windows 7 Home Premium (6.1.7600.0)
Windows 7 Home Premium (6.1.7601.65536)
Windows 7 Professional (6.1.7601.65536)
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File details

File name: dtupdate.exe
Name: DefaultTab Update Service
Description: DefaultTab Update Service
Size: 105 KB
Original file name: DTUpdate.exe

Resource utilization

CPU utilization averages
Total CPU: 0.0053282518%
Privileged CPU: 0.0003845589%
User CPU: 0.00494369293423%
Privileged CPU time: 50633.93 ms
Privileged CPU time /min: 31 ms
CPU cycle count: 159,635,850
CPU cycle count /min: 482,900
Memory utilization averages
Committed memory: 38.31 MB
Peak committed memory: 40.64 MB
Paged memory: 2.11 MB
Peak paged memory: 2.23 MB
Paged system memory: 50.71 KB
Non-paged system memory: 7.02 KB
Working set memory: 1.15 MB
Peak working set memory: 4.38 MB
Min working set memory: 911.13 KB
Private memory: 2.11 MB
Page faults: 2,867
Page faults /min: 7
Process I/O averages
Total read operations: 8
Read operations /min: 1
Total read transfer: 15.27 KB
Read transfer /min: 44 Bytes
Total write operations: 2
Write operations /min: 1
Total write transfer: 78 Bytes
Write transfer /min: 2 Bytes
Total other operations: 384
Other operations /min: 2
Total other transfer: 4.53 KB
Other Transfer /min: 7 Bytes
GUI Object Averages
GDI objects: 4
USER objects: 4
Handle count average: 118
Thread count average: 5
Thread resource averages

Process details

Runs as (owner): System
Integrety level: System
Windows platform: 64-bit
Runs as a service: Yes
Parent Processes
Process Commands

Service details

Name: DefaultTabUpdate
Service type: Win32OwnProcess
Description: “DefaultTab Update Service”

Image hashes

MD5: 34ae0dfa3ee3b5b9975042d87332d0b7
SHA-1: ea111903f48c1cb7fe5056509351a88efe85114f
SHA-256: 4388bfa4f8f6e345f68220df12da7e5b986479cba40246eb0bcacfa4fccef606

PE image details

Subsystem: Windows GUI
File packed: No
Import Table
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