Should I block it?

40%
40% of PCs block this file from running.
Possible reason:
Performance resource utilization

VersionsAdditional versions

1.0.0.1 2.70%
1.0.0.1 8.11%
1.0.0.1 2.70%
1.0.0.1 83.78%
1.0.0.1 2.70%
(Note, IObit Information Technology publishes each variation of this file with the same version, but the hashes are unique.)

Relationships

IObitSmartDefragExtension.dll

Smart Defrag by IObit Information Technology (Signed)

Remove IObitSmartDefragExtension.dll
Version:   1.0.0.1
MD5:   40a281a59e0e414059181cc71ce3561a
SHA1:   f88b2cb82deeda272fec698800e26a93cc527eee

Overview

iobitsmartdefragextension.dll is loaded as dynamic link library that runs in the context of a process. The file is digitally signed by IObit Information Technology which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:iobitsmartdefragextension.dll
Publisher:IObit
Product name:Smart Defrag
Description:IObit Smart Defrag Extension
Typical file path:C:\Windows\System32\iobitsmartdefragextension.dll
File version:1.0.0.1
Size:125.31 KB (128,320 bytes)
Build date:1/8/2014 2:54 AM
Certificate
Issued to:IObit Information Technology
Authority (CA):VeriSign
Expiration date:Sunday, February 14, 2016
Digital DNA
PE subsystem:Windows GUI
File packed:No
.NET CLR:No
More details

BehaviorsBehaviors

Context menu handlers
Located in '*\shellex\ContextMenuHandlers'
  • Name: 'SmartDefragExtension'
Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
  • 'IObitSmartDefrag Extension' with CLSID {189F1E63-33A7-404B-B2F6-8C76A452CC54}

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 40.54%
Windows 7 Ultimate 18.92%
Windows 8.1 13.51%
Windows 8.1 Pro with Media Center 8.11%
Windows 8.1 Pro 5.41%
Windows 7 Professional 5.41%
Windows 8 5.41%
Microsoft Windows XP 2.70%

Distribution by countryDistribution by country

United States installs about 62.16% of Smart Defrag.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 36.36%
Acer 22.73%
Hewlett-Packard 18.18%
Sony 9.09%
Toshiba 9.09%
ASUS 4.55%
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