GridinSoft Threat Intelligence
Eztwain4.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.Wacatac. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.
- Detection name
- Trojan.Wacatac
- Recommended action
- Scan and remove
- Last analysis
- 2026-05-25 17:00:18 (2 days ago)
- File hash
- 25e7ac0da34411eeb244f1925516acfc
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Wacatac, part of the Trojan threat category.
Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.
First seen 2026-05-20 21:00:41 (a week ago); latest analysis 2026-05-25 17:00:18 (2 days ago).
Company metadata: Atalasoft (www.atalasoft.com). Product metadata: EZTwain Pro.
Signed by Nitro Software, Inc.. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.
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
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Trojan category for related samples and common context.
File context
Eztwain4.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 Trojan.Wacatac, based on the latest analysis from 2026-05-25 17:00:18 (2 days ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If Eztwain4.dll appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Trojan.Wacatac.
File Details
| Product Name: | EZTwain Pro |
| Company Name: | Atalasoft (www.atalasoft.com) |
| MD5: | 25e7ac0da34411eeb244f1925516acfc |
| Size: | 1008 KB |
| First Published: | 2026-05-20 21:00:41 (a week ago) |
| Latest Published: | 2026-05-25 17:00:18 (2 days ago) |
| Status: | Trojan.Wacatac (on last analysis) | |
| Analysis Date: | 2026-05-25 17:00:18 (2 days ago) |
Detection screenshot
The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.
Overview
| Signed By: | Nitro Software, Inc. |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on Eztwain4.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:
| %temp% |
| %sysdrive%\$recycle.bin |
| %commonappdata% |
ThreatInfo has observed Eztwain4.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 Eztwain4.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 United Kingdom 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 Eztwain4.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
Eztwain4.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.
dbc74e400adf50d25d5f94b08870a972
fadb81096474928ae48f12d6fa836f6a
e26946f475b8cda57887ff31c47b1f63
4462d11a8e23df5a3a228e83b9bc9e16
9423145bac698c4f2682f798c6edd6e4
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
GridinSoft detects this file as Trojan.Wacatac
This report identifies Eztwain4.dll by MD5 25e7ac0da34411eeb244f1925516acfc. It is part of the Trojan report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.