update.dll file report

MD5 ec4e24770a8ca36505a2c82ef12ac2eb
Latest seen 2022-10-18 23:26:49 (3 years ago)
First seen 2017-06-08 06:03:50 (8 years ago)
Size 525 KB
Publisher Baidu Inc.
Product PC App Store

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-06-08 06:03:50 (8 years ago); latest analysis 2022-10-18 23:26:49 (3 years ago).

Publisher context

Company metadata: Baidu Inc.. Product metadata: PC App Store.

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.

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.

update.dll is a Windows file recorded in the ThreatInfo database. It is associated with PC App Store. The reported company name is Baidu Inc.. The current detection status is Undefined, based on the latest analysis from 2022-10-18 23:26:49 (3 years 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: PC App Store
Company Name: Baidu Inc.
MD5: ec4e24770a8ca36505a2c82ef12ac2eb
Size: 525 KB
First Published: 2017-06-08 06:03:50 (8 years ago)
Latest Published: 2022-10-18 23:26:49 (3 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2022-10-18 23:26:49 (3 years ago)

The signature on update.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 app store\5.0.1.8682
%programfiles%\pc app store
%programfiles%\pc app store
%programfiles%\pc app store
%programfiles%\pc app store
%programfiles%\pc app store
%sysdrive%\sheshant-pc\backup set 2020-03-25 072519\backup files 2020-03-25 072519\c\program files\pc app store
%programfiles%\pc app store
%programfiles%\pc app store
%programfiles%\pc app store

ThreatInfo has observed update.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.

32.8%
11.9%
11.9%
6.0%
6.0%
4.5%
4.5%
4.5%
3.0%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%
1.5%

The strongest geographic signal for this file is Thailand with 32.8% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 49.3%
Windows 7 40.6%
Windows 8.1 7.2%
Windows 8 1.4%
Windows XP 1.4%

The most common operating system signal for update.dll is Windows 10 with 49.3% 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.

update.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: 0x00046446

PE Sections:

Name Size of data MD5
.text 387072 a9473ee224a963d82ec8eb07c2cb4731
.rdata 115712 cc977f4e441d59a68b7b72ffd5567a10
.data 6656 add7bfb47cb27d1e3f437049dffc6717
.rsrc 1536 1f03d927be3807e005a2c3b9b2e0341e
.reloc 18944 52f9e32ed2adee89ac4bf00a6810feab

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: