js_basic.dll file report

MD5 8aa5c9ddc30e6138e248efe0ed74127e
Latest seen 2026-04-07 23:00:56 (3 weeks ago)
First seen 2026-04-07 23:00:56 (3 weeks ago)
Size 1 MB

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2026-04-07 23:00:56 (3 weeks ago); latest analysis 2026-04-07 23:00:56 (3 weeks ago).

Publisher context

Product metadata: js_basic Dynamic Link Library.

Digital signature

Signed by 成都奇鲁科技有限公司. 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.

js_basic.dll is a Windows file recorded in the ThreatInfo database. It is associated with js_basic Dynamic Link Library. The current detection status is Undefined, based on the latest analysis from 2026-04-07 23:00:56 (3 weeks 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: js_basic Dynamic Link Library
MD5: 8aa5c9ddc30e6138e248efe0ed74127e
Size: 1 MB
First Published: 2026-04-07 23:00:56 (3 weeks ago)
Latest Published: 2026-04-07 23:00:56 (3 weeks ago)
Status: Undefined (on last analysis)
Analysis Date: 2026-04-07 23:00:56 (3 weeks ago)
Signed By: 成都奇鲁科技有限公司
Status: Valid

The signature on js_basic.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.

%programfiles%\pc optimizer

ThreatInfo has observed js_basic.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.

100.0%

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.

Windows 10 100.0%

The most common operating system signal for js_basic.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.

js_basic.dll is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x10000000
Entry Address: 0x000b415a

PE Sections:

Name Size of data MD5
.text 1099776 c530017a620c89d6e4b4aac454fa8e67
.rdata 228864 bb84d591851c51e4b609a849d7de4023
.data 31232 6d5c67f2c2c53f680e6c8dbee386049c
.rsrc 3584 485f92eb0a493dd3cd442ccb9c51337a
.reloc 55808 27d7eae1246eea28c397c07feefd2cb2

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.

More information: