GridinSoft Threat Intelligence

lum_sdk32.dll.old file report

Under review File reputation report
MD5 ea7ed078c57a91c931b9456385274f98
Latest seen 2025-11-27 23:00:29 (6 months ago)
First seen 2025-11-27 23:00:29 (6 months ago)
Size 5 MB
Signed by Bright Data Ltd

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2025-11-27 23:00:29 (6 months ago); latest analysis 2025-11-27 23:00:29 (6 months ago).

Publisher context

Company metadata: BrightData Ltd. (certified). Product metadata: Bright SDK (certified).

Digital signature

Signed by Bright Data Ltd. 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.

lum_sdk32.dll.old 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 2025-11-27 23:00:29 (6 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: Bright SDK (certified)
Company Name: BrightData Ltd. (certified)
MD5: ea7ed078c57a91c931b9456385274f98
Size: 5 MB
First Published: 2025-11-27 23:00:29 (6 months ago)
Latest Published: 2025-11-27 23:00:29 (6 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-11-27 23:00:29 (6 months ago)
Signed By: Bright Data Ltd
Status: Valid

The signature on lum_sdk32.dll.old 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.

%commonappdata%\brightdata\918d4ec2ae9abb0e82305c53649023056b42759d

ThreatInfo has observed lum_sdk32.dll.old 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.

Windows 10 100.0%

The most common operating system signal for lum_sdk32.dll.old 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.

lum_sdk32.dll.old 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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x0000b8a2
Image base 0x10000000

PE Sections:

Sections 6
Raw data 6195200

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 181760 bytes · 2.9% of section data
MD5 d3bd13d5ae62704aae26f323b746d12a
.rdata 38400 bytes · 0.6% of section data
MD5 90f6998806815b2b06846765e8f545ff
.data 5120 bytes · 0.1% of section data
MD5 9dafc89d8d1ca884ac3f755b3e2e984c
.tls 512 bytes · 0.0% of section data
MD5 bf619eac0cdf3f68d496ea9344137e8b
.rsrc 5961216 bytes · 96.2% of section data
Large raw data
MD5 6be138ab1a174522dce71d6d088b456b
.reloc 8192 bytes · 0.1% of section data
MD5 3861e8085d7714c7bfbfc725466f76da

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.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with ea7ed078c57a91c931b9456385274f98.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.