GridinSoft Threat Intelligence
QtCore4.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2023-09-09 23:40:18 (2 years ago); latest analysis 2023-09-09 23:40:18 (2 years ago).
Company metadata: Nokia Corporation and/or its subsidiary(-ies). Product metadata: Qt4.
Signed by Kerio Technologies, 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
QtCore4.dll is a Windows file recorded in the ThreatInfo database. It is associated with Qt4. The reported company name is Nokia Corporation and/or its subsidiary(-ies). The current detection status is Undefined, based on the latest analysis from 2023-09-09 23:40:18 (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: | Qt4 |
| Company Name: | Nokia Corporation and/or its subsidiary(-ies) |
| MD5: | 8d8a00819d32f6ed2f307787da286acc |
| Size: | 2 MB |
| First Published: | 2023-09-09 23:40:18 (2 years ago) |
| Latest Published: | 2023-09-09 23:40:18 (2 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2023-09-09 23:40:18 (2 years ago) |
Overview
| Signed By: | Kerio Technologies, Inc. |
| Status: | Valid |
The signature on QtCore4.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%\turbovpn\services |
ThreatInfo has observed QtCore4.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 QtCore4.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 Iran 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 QtCore4.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
QtCore4.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.
bd1d4567ff9b11c858a52c28b6664227
d924ee89eb19cf217e4caa7a61dcd949
8d096294a2ed370db5128da2afd99673
4d935cad436fb636d819fbac788b0f02
f843fcfc9b01cd8a7ac4ddc7bb5e161a
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.