GridinSoft Threat Intelligence
large_files_manager.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-07-14 23:00:58 (10 months ago); latest analysis 2025-07-14 23:00:58 (10 months ago).
Company metadata: Avanquest. Product metadata: PC HelpSoft PC Cleaner.
Signed by PC Helpsoft (7270356 Canada Inc). The signature is reported as valid, but signed files can still be bundled or abused.
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
large_files_manager.dll is a Windows file recorded in the ThreatInfo database. It is associated with PC HelpSoft PC Cleaner. The reported company name is Avanquest. The current detection status is Undefined, based on the latest analysis from 2025-07-14 23:00:58 (10 months 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: | PC HelpSoft PC Cleaner |
| Company Name: | Avanquest |
| MD5: | a2921eb1237afb04f86dc98d7a4cea10 |
| Size: | 725 KB |
| First Published: | 2025-07-14 23:00:58 (10 months ago) |
| Latest Published: | 2025-07-14 23:00:58 (10 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-07-14 23:00:58 (10 months ago) |
Overview
| Signed By: | PC Helpsoft (7270356 Canada Inc) |
| Status: | Valid |
The signature on large_files_manager.dll 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%\avanquest\pc cleaner\application |
ThreatInfo has observed large_files_manager.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 large_files_manager.dll across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Philippines with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for large_files_manager.dll is Windows 10 with 100.0% 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
large_files_manager.dll is identified as pe for 64-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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
7e23c2da82c4f0fd1d39c65335a19235
48992492bbf521d45a2d7ad958566673
a1c1dc7add07c014d674711c1714fae3
68959d2e6d480c2b00b41653736211f0
167aad19b7131793fd952819e3ccc6c4
e36b6c82323871b95b13d53d97753d7b
673592ef089721d4480fd21564bdb0ad
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.