VersionsVersions 87.10% 9.68% 3.23%



Smart Defrag by IObit Information Technology (Signed)

Remove AutoUpdate.exe


There are 3 versions of autoupdate.exe in the wild, the latest version being The process utilizes the Windows Task Scheduler to automatically launch the file as a process when a user logs into Windows. The average file size is about 2.07 MB. The file is a digitally signed and issued to IObit Information Technology by VeriSign.


File name:autoupdate.exe
Product name:Smart Defrag
Description:Smart Defrag Updater
Typical file path:C:\Program Files\iobit\smart defrag 3\autoupdate.exe
Issued to:IObit Information Technology
Authority (CA):VeriSign
Effective date:Monday, January 14, 2013
Expiration date:Sunday, February 14, 2016

ResourcesPrograms installed in

(Note, the programs listed below are for all versions of Smart Defrag.)
25% remove
Disk fragmentation is generally main cause of slow and unstable computer performance. Smart Defrag 3 helps defragment your hard drive more efficiently and optimize your disk performance. Smart Defrag ...
26% remove
SPAMfighter ApS.
45% remove
DRIVERfighter is typically bundled with 3rd party pay per install programs such as InstallIQ.


(Note, the behaviors below are for all versions of autoupdate.exe, select a unique version for details.)
Scheduled tasks
  • The task 'SmartDefrag3_Update' runs on logon in the path 'C:\WINDOWS\Tasks\SmartDefrag3_Update.job'
Scheduled tasks startups
Set to load on user login (bypasses Windows UAC if enabled)
  • Login entry path '\SmartDefrag3_Update'

VersionsAll file variations of autoupdate.exe

MD5SHA-1File size
a5dc9aff60b3e7500902267dcfa0c746 91ad9d1310d8c520ebd3aededfd9e05e9efdaf75 2.21 MB
411e85b9dfd47f120e99534be79dd9de 70fbec500965aaabb18399c891886f99fad32b80 2 MB
9c3b2c9330ecebe4626f888d5f49ccaf 71a012b8afa8dc506f62c3c1431b037300cba053 2 MB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 41.94%
Windows 7 Ultimate 12.90%
Windows 8.1 12.90%
Windows 8.1 Pro with Media Center 9.68%
Windows 8.1 Pro 6.45%
Windows 7 Professional 6.45%
Windows 8 6.45%
Microsoft Windows XP 3.23%

Distribution by countryDistribution by country

United States installs about 58.06% of Smart Defrag.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Acer 31.25%
Dell 31.25%
Hewlett-Packard 18.75%
Sony 12.50%
ASUS 6.25%
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