GridinSoft Threat Intelligence
ui-sign.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2023-09-04 23:21:01 (2 years ago); latest analysis 2023-09-07 23:32:10 (2 years ago).
Company metadata: Avanquest Software (7270356 Canada Inc.). Product metadata: PDF Suite 20.
Signed by Avanquest Software (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
ui-sign.dll is a Windows file recorded in the ThreatInfo database. It is associated with PDF Suite 20. The reported company name is Avanquest Software (7270356 Canada Inc.). The current detection status is Undefined, based on the latest analysis from 2023-09-07 23:32:10 (2 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: | PDF Suite 20 |
| Company Name: | Avanquest Software (7270356 Canada Inc.) |
| MD5: | e319975f0a2c2f6855c28d97f77c77cd |
| Size: | 1 MB |
| First Published: | 2023-09-04 23:21:01 (2 years ago) |
| Latest Published: | 2023-09-07 23:32:10 (2 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2023-09-07 23:32:10 (2 years ago) |
Overview
| Signed By: | Avanquest Software (7270356 Canada Inc) |
| Status: | Valid |
The signature on ui-sign.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:
| %programfiles% |
ThreatInfo has observed ui-sign.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 ui-sign.dll across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Colombia with 50.0% 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 ui-sign.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
ui-sign.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.
6d9fb895d666ca5f1c7db3c71666a0f6
0147cddba8b33787003ba62f5abee9fd
5a54e265ff7cd2feaedf604ac92c87c6
0d816fa44d877f58ba6212176373a665
9553234e3671dd7dc144044242772299
820041295f6bfd30c5d2bd8f36659889
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.