GridinSoft Threat Intelligence

dynlbase.dll file report

Under review File reputation report
MD5 cdf7237ae65b4d76500fba7c7b0a7f4d
Latest seen 2025-04-28 23:01:31 (a year ago)
First seen 2020-12-05 03:23:57 (5 years ago)
Size 1 MB
Product 360安全卫士

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2020-12-05 03:23:57 (5 years ago); latest analysis 2025-04-28 23:01:31 (a year ago).

Publisher context

Company metadata: 360互联网安全中心. Product metadata: 360安全卫士.

Digital signature

Signed by Beijing Qihu Technology Co., 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.

dynlbase.dll is a Windows file recorded in the ThreatInfo database. It is associated with 360安全卫士. The reported company name is 360互联网安全中心. The current detection status is Undefined, based on the latest analysis from 2025-04-28 23:01:31 (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.

Product Name: 360安全卫士
Company Name: 360互联网安全中心
MD5: cdf7237ae65b4d76500fba7c7b0a7f4d
Size: 1 MB
First Published: 2020-12-05 03:23:57 (5 years ago)
Latest Published: 2025-04-28 23:01:31 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-04-28 23:01:31 (a year ago)
Signed By: Beijing Qihu Technology Co., Ltd.
Status: Valid

The signature on dynlbase.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%\ludashi

ThreatInfo has observed dynlbase.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.

Windows 10 100.0%

The most common operating system signal for dynlbase.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.

dynlbase.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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x00001547
Image base 0x10000000

PE Sections:

Sections 6
Raw data 1364992

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

.text 638976 bytes · 46.8% of section data
MD5 49602ae1ea774ade31fd9439f81c67c2
.rdata 93696 bytes · 6.9% of section data
MD5 d27f97d14a43615b18b18298684fd341
.data 10240 bytes · 0.8% of section data
MD5 eb055e0cd706bb42135ae39921a2706e
.qihoo0 583680 bytes · 42.8% of section data
Uncommon name
MD5 f0f421483e923e8e565437a2a0be03c8
.reloc 36864 bytes · 2.7% of section data
MD5 9fcad7fb07dd64dbf4936940f12145f1
.rsrc 1536 bytes · 0.1% of section data
MD5 d1c375b8e8ae969aec1712183b410d64

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 cdf7237ae65b4d76500fba7c7b0a7f4d.
  • 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.