GridinSoft Threat Intelligence

SmartDefragDriver.sys file report

Under review File reputation report
MD5 01411333e125717d9d0c1193fc08edd5
Latest seen 2023-04-12 23:39:56 (3 years ago)
First seen 2021-07-24 20:15:00 (4 years ago)
Size 18 KB
Publisher IObit
Product SmartDefrag
Signed by IObit Information Technology

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2021-07-24 20:15:00 (4 years ago); latest analysis 2023-04-12 23:39:56 (3 years ago).

Publisher context

Company metadata: IObit. Product metadata: SmartDefrag.

Digital signature

Signed by IObit Information Technology. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

ThreatInfo has seen this file in user or system paths listed below. Unexpected locations increase the need for local verification.

Recommended action

What to do next

  1. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

File context

SmartDefragDriver.sys is a Windows file recorded in the ThreatInfo database. It is associated with SmartDefrag. The reported company name is IObit. The current detection status is Undefined, based on the latest analysis from 2023-04-12 23:39:56 (3 years ago).

ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.

File Details

Product Name: SmartDefrag
Company Name: IObit
MD5: 01411333e125717d9d0c1193fc08edd5
Size: 18 KB
First Published: 2021-07-24 20:15:00 (4 years ago)
Latest Published: 2023-04-12 23:39:56 (3 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2023-04-12 23:39:56 (3 years ago)

Overview

Signed By: IObit Information Technology
Status: Valid

The signature on SmartDefragDriver.sys is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.

Common Places:

%sysdrive%\$recycle.bin\s-1-5-21-3452083981-218242559-325489587-1001\$rdtel79\drivers
%programfiles%\iobit\smart defrag 3\drivers
%sysdrive%\dokumenty\backup-flash sony16gb\portableapps\portableapps\smartdefragportable\app\smartdefrag\drivers
%sysdrive%\drive f local\bk data 11112014\program files (x86)\iobit\smart defrag 3\drivers
%programfiles%\iobit\smart defrag 4\drivers

ThreatInfo has observed SmartDefragDriver.sys in the locations listed above. Files found in temporary folders, user profile folders, startup locations, or unusual application directories should be reviewed more carefully than files installed under a known program directory.

Geographic signal

Observed country distribution

ThreatInfo has seen SmartDefragDriver.sys across 5 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Netherlands
Share 33.3%
Low High activity

The strongest geographic signal for this file is Netherlands with 33.3% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 83.3%
Windows XP 16.7%

The most common operating system signal for SmartDefragDriver.sys is Windows 10 with 83.3% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

Analysis

SmartDefragDriver.sys is identified as pe for 32-bit systems. The subsystem is Native. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 32-bit
Subsystem Native
Entry point 0x0000503e
Image base 0x00010000

PE Sections:

Sections 6
Raw data 9728

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 6144 bytes · 63.2% of section data
MD5 33d554468ffa8af74c7d8959159a9896
.rdata 512 bytes · 5.3% of section data
MD5 48f895f24fbc3e2115a945da28eab220
.data 512 bytes · 5.3% of section data
MD5 312651a6f76490d97aff95c683a68247
INIT 1024 bytes · 10.5% of section data
Uncommon name
MD5 14a91309a84fab6a735fd8a21022b8ef
.rsrc 1024 bytes · 10.5% of section data
MD5 ce68226b47949e057cda8873e57f329b
.reloc 512 bytes · 5.3% of section data
MD5 e62e5e13730719af750d431bb3bde5c7

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.

Report conclusion

This file is still under review

ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 01411333e125717d9d0c1193fc08edd5.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.