GridinSoft Threat Intelligence

BavUa.dll file report

Under review File reputation report
MD5 aff0a921b0572f295b836690ca1d7c93
Latest seen 2025-05-14 23:01:27 (a year ago)
First seen 2017-05-21 09:02:05 (9 years ago)
Size 1 MB
Publisher Baidu, Inc.
Product Baidu Antivirus

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

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

Publisher context

Company metadata: Baidu, Inc.. Product metadata: Baidu Antivirus.

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.

BavUa.dll is a Windows file recorded in the ThreatInfo database. It is associated with Baidu Antivirus. The reported company name is Baidu, Inc.. The current detection status is Undefined, based on the latest analysis from 2025-05-14 23:01:27 (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: Baidu Antivirus
Company Name: Baidu, Inc.
MD5: aff0a921b0572f295b836690ca1d7c93
Size: 1 MB
First Published: 2017-05-21 09:02:05 (9 years ago)
Latest Published: 2025-05-14 23:01:27 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-05-14 23:01:27 (a year ago)

The signature on BavUa.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 faster\5.1.0.0\cloud security
%programfiles%\pc faster\cloud security
%programfiles%\pc faster\update\cloud security
%programfiles%\pc faster\5.1.0.0
%programfiles%\pc faster

ThreatInfo has observed BavUa.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 7 54.1%
Windows 10 32.6%
Windows 8.1 7.7%
Windows XP 2.3%
Windows 8 2.2%
Windows Vista 0.8%
Windows Embedded 8.1 0.4%

The most common operating system signal for BavUa.dll is Windows 7 with 54.1% 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.

BavUa.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 0x000e3a28
Image base 0x10000000

PE Sections:

Sections 5
Raw data 1274368

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

.text 1028608 bytes · 80.7% of section data
MD5 baf5ac0a04220240c336e2e913aaa49b
.rdata 149504 bytes · 11.7% of section data
MD5 616ad96ede9c688e96674664ac5450ec
.data 33280 bytes · 2.6% of section data
MD5 86b653ea7ebdef401163026405f646f7
.rsrc 1536 bytes · 0.1% of section data
MD5 b9cd2ebb1965dd96919f51de804bca9f
.reloc 61440 bytes · 4.8% of section data
MD5 8babdf0b2e2883d94500bb4686fd28a7

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 aff0a921b0572f295b836690ca1d7c93.
  • 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.