GridinSoft Threat Intelligence

A0138289.DLL file report

Under review File reputation report
MD5 175ea664f62cdc31949d29a9a3ecd4f2
Latest seen 2025-05-14 23:01:20 (a year ago)
First seen 2017-05-21 09:02:27 (9 years ago)
Size 353 KB
Publisher Baidu, Inc.
Product Baidu PC Faster
Signed by Baidu Online Network Technology (Beijing) Co.,Ltd.

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-21 09:02:27 (9 years ago); latest analysis 2025-05-14 23:01:20 (a year ago).

Publisher context

Company metadata: Baidu, Inc.. Product metadata: Baidu PC Faster.

Digital signature

Signed by Baidu Online Network Technology (Beijing) Co.,Ltd.. The signature is reported as valid, but signed files can still be bundled or abused.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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.

File context

A0138289.DLL is a Windows file recorded in the ThreatInfo database. It is associated with Baidu PC Faster. The reported company name is Baidu, Inc.. The current detection status is Undefined, based on the latest analysis from 2025-05-14 23:01:20 (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: Baidu PC Faster
Company Name: Baidu, Inc.
MD5: 175ea664f62cdc31949d29a9a3ecd4f2
Size: 353 KB
First Published: 2017-05-21 09:02:27 (9 years ago)
Latest Published: 2025-05-14 23:01:20 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-05-14 23:01:20 (a year ago)

Overview

Signed By: Baidu Online Network Technology (Beijing) Co.,Ltd.
Status: Valid

The signature on A0138289.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:

%programfiles%\pc faster\5.1.0.0
%programfiles%\pc faster
%temp%\nsv9171.tmp
%programfiles%\pc faster\update
%temp%\nsk8170.tmp
%sysdrive%\adwcleaner\quarantine\files\yvuopjekvumfqjdeeunvxxcbtddhiccw\5.1.0.0
%sysdrive%\adwcleaner\quarantine\files\guqwqsotgqmwbksiznnxxifxoikfobec\5.1.0.0
%temp%\nstc4af.tmp
%temp%\nspf5d.tmp
%temp%\nsu23e6.tmp

ThreatInfo has observed A0138289.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.

File Names:

12 observed names
log2.dll log2.dll.quarantined log2_IObitDel.dll A0051776.dll 03240F988FA27506.vir A0126356.dll A0128316.DLL A0129343.DLL A0130343.DLL A0136291.DLL A0135272.dll A0138289.DLL

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

Geographic signal

Observed country distribution

ThreatInfo has seen A0138289.DLL across 64 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Thailand
Share 26.7%
Low High activity

The strongest geographic signal for this file is Thailand with 26.7% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 82.4%
Windows 10 11.5%
Windows 8.1 2.4%
Windows 8 1.9%
Windows XP 1.1%
Windows Vista 0.6%
Windows Embedded 8.1 0.2%

The most common operating system signal for A0138289.DLL is Windows 7 with 82.4% 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

A0138289.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 0x00030a93
Image base 0x10000000

PE Sections:

Sections 5
Raw data 355840

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

.text 265216 bytes · 74.5% of section data
MD5 9170803bd70d94a8561090937bf7dda6
.rdata 68096 bytes · 19.1% of section data
MD5 b6995be2e585b2ccfa3a9fd2451d6309
.data 6144 bytes · 1.7% of section data
MD5 202b04866b88b583c76256121fe4c43b
.rsrc 1536 bytes · 0.4% of section data
MD5 76445bfc2cf54176bfd6d5d4566c1207
.reloc 14848 bytes · 4.2% of section data
MD5 5847c88ba3b26419825d6daf72f333da

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 175ea664f62cdc31949d29a9a3ecd4f2.
  • 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.