GridinSoft Threat Intelligence
of_core.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-09-27 23:01:03 (8 months ago); latest analysis 2025-09-27 23:01:03 (8 months ago).
Company metadata: YY. Product metadata: orangefilter.
Signed by Guangzhou Jinhong Network Media Co,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
of_core.dll is a Windows file recorded in the ThreatInfo database. It is associated with orangefilter. The reported company name is YY. The current detection status is Undefined, based on the latest analysis from 2025-09-27 23:01:03 (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.
File Details
| Product Name: | orangefilter |
| Company Name: | YY |
| MD5: | 061619c320db09b9a95d63e727141021 |
| Size: | 188 KB |
| First Published: | 2025-09-27 23:01:03 (8 months ago) |
| Latest Published: | 2025-09-27 23:01:03 (8 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-09-27 23:01:03 (8 months ago) |
Overview
| Signed By: | Guangzhou Jinhong Network Media Co,Ltd. |
| Status: | Valid |
The signature on of_core.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:
| %appdata%\duowan\yy\business\videoservice\arext |
ThreatInfo has observed of_core.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 of_core.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 China 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 of_core.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
of_core.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.
383ddaccf2e5ec11f9956ffc12858777
e9823de224683926520ded7d9f1119c0
6d06209eac7f4ef72e215e497bccdfd8
1f354d76203061bfdd5a53dae48d5435
73cc0be8b2a0d2f6020fbeb916999974
011654e321769ff10b3ba0cbc2cfb2d5
8fdf897480eb7f7d7f9b7c382a2c1def
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.