zpsres.CZ.dll file report

MD5 817ef7d00ff4eb87aec2903b7bfbcd2b
Latest seen 2025-09-30 23:00:46 (8 months ago)
First seen 2025-09-30 23:00:46 (8 months ago)
Size 608 KB
Publisher ZONER a.s.
Product Zoner Studio
Signed by ZONER a.s.

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2025-09-30 23:00:46 (8 months ago); latest analysis 2025-09-30 23:00:46 (8 months ago).

Publisher context

Company metadata: ZONER a.s.. Product metadata: Zoner Studio.

Digital signature

Signed by ZONER a.s.. The signature is reported as valid, but signed files can still be bundled or abused.

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.

zpsres.CZ.dll is a Windows file recorded in the ThreatInfo database. It is associated with Zoner Studio. The reported company name is ZONER a.s.. The current detection status is Undefined, based on the latest analysis from 2025-09-30 23:00:46 (8 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.

Product Name: Zoner Studio
Company Name: ZONER a.s.
MD5: 817ef7d00ff4eb87aec2903b7bfbcd2b
Size: 608 KB
First Published: 2025-09-30 23:00:46 (8 months ago)
Latest Published: 2025-09-30 23:00:46 (8 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-09-30 23:00:46 (8 months ago)
Signed By: ZONER a.s.
Status: Valid

The signature on zpsres.CZ.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.

%programfiles%\zoner photo studio x 19.2503.2.639 cz (x64) portable-ok\app\zoner

ThreatInfo has observed zpsres.CZ.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.

100.0%

The strongest geographic signal for this file is Czechia with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 100.0%

The most common operating system signal for zpsres.CZ.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.

zpsres.CZ.dll is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base:
Entry Address:

PE Sections:

Name Size of data MD5
.rdata 512 5b309cd30ba23bd8a8f0f828caebca49
.rsrc 611840 0c9006f4a6d37fc5a55a6d2a547e506c

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.

More information: