GridinSoft Threat Intelligence
LYSDK.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2025-04-05 23:01:55 (a year ago); latest analysis 2025-04-05 23:01:55 (a year ago).
Company metadata: 联想（北京）有限公司. Product metadata: LYSDK.dll.
Signed by Lenovo (Beijing) 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
LYSDK.dll is a Windows file recorded in the ThreatInfo database. It is associated with LYSDK.dll. The reported company name is 联想（北京）有限公司. The current detection status is Undefined, based on the latest analysis from 2025-04-05 23:01:55 (a year 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: | LYSDK.dll |
| Company Name: | 联想（北京）有限公司 |
| MD5: | b14d5e9e892cd84a26b7fdf8c99982b6 |
| Size: | 2 MB |
| First Published: | 2025-04-05 23:01:55 (a year ago) |
| Latest Published: | 2025-04-05 23:01:55 (a year ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2025-04-05 23:01:55 (a year ago) |
Overview
| Signed By: | Lenovo (Beijing) Co., Ltd. |
| Status: | Valid |
The signature on LYSDK.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%\hudun |
ThreatInfo has observed LYSDK.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 LYSDK.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 United States 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 LYSDK.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
LYSDK.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.
9590d058b9c34fe88e116aa20f95c240
bd666ea27a5766c86581ea3e2a7c6adf
3154032db6c71d551b132a79f8f05aca
9a2f7d582936a805290891d88a1a5b7d
1f354d76203061bfdd5a53dae48d5435
1508437534859f5c41c2943ddd17729b
aeab14fa87094d0f661f82d6674d5d83
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.