GridinSoft Threat Intelligence
lum_sdk64.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-04-28 23:01:30 (a year ago); latest analysis 2026-03-18 23:00:54 (2 months ago).
Company metadata: BrightData Ltd. (certified). Product metadata: Bright SDK (certified).
Signed by Bright Data 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
lum_sdk64.dll is a Windows file recorded in the ThreatInfo database. It is associated with Bright SDK (certified). The reported company name is BrightData Ltd. (certified). The current detection status is Undefined, based on the latest analysis from 2026-03-18 23:00:54 (2 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: | Bright SDK (certified) |
| Company Name: | BrightData Ltd. (certified) |
| MD5: | c3e9c29ca4f57916d3347d23d3a2279e |
| Size: | 6 MB |
| First Published: | 2025-04-28 23:01:30 (a year ago) |
| Latest Published: | 2026-03-18 23:00:54 (2 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2026-03-18 23:00:54 (2 months ago) |
Overview
| Signed By: | Bright Data Ltd |
| Status: | Valid |
The signature on lum_sdk64.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:
| %commonappdata%\brightdata\108a47921d08860d64656218998ab66204caf497 |
| %programfiles% |
| %commonappdata%\brightdata\5e5e01fe777f79e7791d502af27af1a6724b1864 |
| %commonappdata%\brightdata\c98252224897881aa9d9d0596b446bccfc6c59a7 |
| %programfiles%\hola |
| %commonappdata%\brightdata\d71ae678248c6f808fef312e7563ca8a3655c744 |
| %commonappdata%\brightdata\0e55fcfa35b9b02cc4dd3797f728d6a9c0f71fa8 |
ThreatInfo has observed lum_sdk64.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.
Geography:
17 observed countriesThe strongest geographic signal for this file is Poland with 14.3% 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 lum_sdk64.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
lum_sdk64.dll is identified as pe for 64-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.
23edf8d71b54a29c95c474cebeaccd93
e1283616de32e0b9a04dc4b9f822c317
619548af02c4f7374860331b4cfff285
13c86a30218fbe93740142c967b21c6e
bf619eac0cdf3f68d496ea9344137e8b
1ea40526110fe9d874899dfc29ec4ae6
d1b1e72062dd61f44463b6eacfa55080
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.