GridinSoft Threat Intelligence

RegistryDefrag.exe file report

Under review File reputation report
MD5 55c59706b10a5abdbe8db3cb865cdcff
Latest seen 2021-01-01 20:14:09 (5 years ago)
First seen 2019-06-19 20:41:41 (6 years ago)
Size 976 KB
Publisher TweakBit
Product PCRepairKit
Signed by Tweakbit Pty Ltd

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Category context

Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2019-06-19 20:41:41 (6 years ago); latest analysis 2021-01-01 20:14:09 (5 years ago).

Publisher context

Company metadata: TweakBit. Product metadata: PCRepairKit.

Digital signature

Signed by Tweakbit Pty Ltd. 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

RegistryDefrag.exe is a Windows file recorded in the ThreatInfo database. It is associated with PCRepairKit. The reported company name is TweakBit. The current detection status is Undefined, based on the latest analysis from 2021-01-01 20:14:09 (5 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

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: PCRepairKit
Company Name: TweakBit
MD5: 55c59706b10a5abdbe8db3cb865cdcff
Size: 976 KB
First Published: 2019-06-19 20:41:41 (6 years ago)
Latest Published: 2021-01-01 20:14:09 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-01 20:14:09 (5 years ago)

Overview

Signed By: Tweakbit Pty Ltd
Status: Valid

The signature on RegistryDefrag.exe 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:

%programfiles%\tweakbit

ThreatInfo has observed RegistryDefrag.exe 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 RegistryDefrag.exe across 11 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country United States
Share 42.1%
Low High activity

The strongest geographic signal for this file is United States with 42.1% 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 84.2%
Windows 7 10.5%
Windows 8 5.3%

The most common operating system signal for RegistryDefrag.exe is Windows 10 with 84.2% 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

RegistryDefrag.exe is identified as pe for 32-bit systems. The subsystem is Windows GUI. 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 Windows GUI
Entry point 0x00090918
Image base 0x00400000

PE Sections:

Sections 11
Raw data 983040

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

.text 582144 bytes · 59.2% of section data
MD5 bb8a047bd78a5810c9d412e9064592e3
.itext 2560 bytes · 0.3% of section data
Uncommon name
MD5 6ba94b090223fcaf766b7573df165346
.data 16896 bytes · 1.7% of section data
MD5 14bfb01e44983fdc632879c8c7f2b260
.bss 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.idata 77824 bytes · 7.9% of section data
MD5 957b8bef134e4dbdd112bea2b10a4857
.didata 512 bytes · 0.1% of section data
Uncommon name
MD5 5fb9db6e363436a037065096e534bd14
.edata 512 bytes · 0.1% of section data
MD5 6388491b1ad762c4f937d352d234945c
.tls 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.rdata 512 bytes · 0.1% of section data
MD5 a5f6a9dae1fe679754092b153d1a5cde
.rsrc 239616 bytes · 24.4% of section data
MD5 1e4da311cf3bb4edcb5eb8dfb9a254a5
.xdata 62464 bytes · 6.4% of section data
Uncommon name
MD5 4609bf4f7506e1a592bff2c8da58d87b

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 55c59706b10a5abdbe8db3cb865cdcff.
  • 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. Use the PUP category to compare similar reports.