GridinSoft Threat Intelligence
EZT4Pdf.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-10-05 23:00:57 (7 months ago); latest analysis 2025-11-10 23:01:30 (6 months ago).
Company metadata: Atalasoft (www.atalasoft.com). Product metadata: EZTwain Pro.
Signed by Tensor Company Ltd. 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
EZT4Pdf.dll is a Windows file recorded in the ThreatInfo database. It is associated with EZTwain Pro. The reported company name is Atalasoft (www.atalasoft.com). The current detection status is Undefined, based on the latest analysis from 2025-11-10 23:01:30 (6 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: | EZTwain Pro |
| Company Name: | Atalasoft (www.atalasoft.com) |
| MD5: | 59f08bbb0c769eb29d75558ce5dbb732 |
| Size: | 397 KB |
| First Published: | 2025-10-05 23:00:57 (7 months ago) |
| Latest Published: | 2025-11-10 23:01:30 (6 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-11-10 23:01:30 (6 months ago) |
Overview
| Signed By: | Tensor Company Ltd |
| Status: | Valid |
The signature on EZT4Pdf.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%\tensor\saby\25.4139.15\service\modules |
| %programfiles%\tensor\saby\25.4139.17\service\modules |
| %programfiles%\tensor\saby\25.5218.32\service\modules |
| %programfiles%\tensor\saby\25.5218.38\service\modules |
ThreatInfo has observed EZT4Pdf.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 EZT4Pdf.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 Russia 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 EZT4Pdf.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
EZT4Pdf.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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
3a0395a387e93a8e951c1183c73e1413
ee47543890830e8e59fcebbcbb6f4311
b26e2137fe18b11f34676f94b02f1330
35fd191810a8a5be975086906ca35e7f
9ffd44ac27982d21209db4d70c18c3ed
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.