GridinSoft Threat Intelligence

DuplicateFileFinderHelper.dll file report

Under review File reputation report
MD5 0fb846e803a55482a957fb1037946c64
Latest seen 2025-03-29 23:01:29 (a year ago)
First seen 2018-07-21 00:13:53 (7 years ago)
Size 240 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 2018-07-21 00:13:53 (7 years ago); latest analysis 2025-03-29 23:01:29 (a year ago).

Publisher context

Company metadata: TweakBit. Product metadata: PCRepairKit.

Digital signature

Signed by Tweakbit Pty Ltd. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.

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

DuplicateFileFinderHelper.dll 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 2025-03-29 23:01:29 (a year 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: 0fb846e803a55482a957fb1037946c64
Size: 240 KB
First Published: 2018-07-21 00:13:53 (7 years ago)
Latest Published: 2025-03-29 23:01:29 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-03-29 23:01:29 (a year ago)

Overview

Signed By: Tweakbit Pty Ltd
Status: Invalid (digital signature could be stolen or file could be patched)

The signature on DuplicateFileFinderHelper.dll is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.

Common Places:

%profile%\downloads\1cdiy.tweakbit.pcrepairkit.1.8.3.24.multilingual.portable.rar\1cdiy.tweakbit.pcrepairkit.1.8.3.24.multilingual.portable\app
%programfiles%\tweakbit
%sysdrive%\programme\tweakbit
%profile%\downloads\tweakbit.pcrepairkit.1.8.3.24.portable\app
%mydoc%\norton utilities 16\recovered files\c\program files\tweakbit

ThreatInfo has observed DuplicateFileFinderHelper.dll 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 DuplicateFileFinderHelper.dll across 9 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Germany
Share 33.3%
Low High activity

The strongest geographic signal for this file is Germany 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 58.3%
Windows 7 25.0%
Windows XP 16.7%

The most common operating system signal for DuplicateFileFinderHelper.dll is Windows 10 with 58.3% 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

DuplicateFileFinderHelper.dll 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 0x00025200
Image base 0x00400000

PE Sections:

Sections 8
Raw data 229376

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

.text 145920 bytes · 63.6% of section data
MD5 e4d4bf5384be4b7e62a8a7edecb8e69b
.itext 1024 bytes · 0.4% of section data
Uncommon name
MD5 279f1e48bd987dea5c66d49ba5cc89df
.data 2560 bytes · 1.1% of section data
MD5 49f7d72ce989bfe173832f4cbee5eb99
.bss 0 bytes · 0.0% of section data
MD5 00000000000000000000000000000000
.idata 20992 bytes · 9.2% of section data
MD5 ab7c7fb9f0973c39bbcddcbe99c34648
.edata 512 bytes · 0.2% of section data
MD5 176d7c63f7f6543aceb6b75e0168d8ff
.reloc 12800 bytes · 5.6% of section data
MD5 6b8cdc914d56e28f1ca4f1084020c8bc
.rsrc 45568 bytes · 19.9% of section data
MD5 99c7a540b6f2b143b0a8179541d1f2b4

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 0fb846e803a55482a957fb1037946c64.
  • 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.