GridinSoft Threat Intelligence

CleanerEngine.dll file report

Under review File reputation report
MD5 8cd2a57dc4d92f46ef02a77b136dc0b8
Latest seen 2023-11-09 23:19:01 (2 years ago)
First seen 2017-05-21 09:02:28 (9 years ago)
Size 2 MB
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 09:02:28 (9 years ago); latest analysis 2023-11-09 23:19:01 (2 years 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.

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

CleanerEngine.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 2023-11-09 23:19:01 (2 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.

File Details

Product Name: Baidu PC Faster
Company Name: Baidu, Inc.
MD5: 8cd2a57dc4d92f46ef02a77b136dc0b8
Size: 2 MB
First Published: 2017-05-21 09:02:28 (9 years ago)
Latest Published: 2023-11-09 23:19:01 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2023-11-09 23:19:01 (2 years ago)

Overview

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

The signature on CleanerEngine.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\plugins\plugin.cleaner
%programfiles%\pc faster\plugins\plugin.cleaner
%programfiles%\pc faster\update\plugins\plugin.cleaner
%sysdrive%\adwcleaner\quarantine\files\yvuopjekvumfqjdeeunvxxcbtddhiccw\5.1.0.0\plugins\plugin.cleaner
%sysdrive%\adwcleaner\quarantine\files\guqwqsotgqmwbksiznnxxifxoikfobec\5.1.0.0\plugins\plugin.cleaner
%sysdrive%\adwcleaner\quarantine\gxix4a2dre\5.1.0.0\plugins\plugin.cleaner
%sysdrive%\adwcleaner\quarantine\files\qssgcnpdngccdiiasdlhojmtizjqlkav\5.1.0.0\plugins\plugin.cleaner
%sysdrive%\adwcleaner\quarantine\files\ezchzjrscjhlilcuzbjzskkqfrpdpqgd\5.1.0.0\plugins\plugin.cleaner
%windir%\windows.old.000\program files (x86)\pc faster\5.1.0.0\plugins\plugin.cleaner
%programfiles%\pc faster\5.1.0.0\plugins

ThreatInfo has observed CleanerEngine.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.

Geographic signal

Observed country distribution

ThreatInfo has seen CleanerEngine.dll across 48 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Egypt
Share 26.3%
Low High activity

The strongest geographic signal for this file is Egypt with 26.3% 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 76.7%
Windows 10 13.2%
Windows 8.1 4.1%
Windows 8 3.5%
Windows XP 2.1%
Windows Vista 0.2%
Windows Embedded 8.1 0.2%

The most common operating system signal for CleanerEngine.dll is Windows 7 with 76.7% 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

CleanerEngine.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 0x00137e21
Image base 0x10000000

PE Sections:

Sections 5
Raw data 2234880

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

.text 1742848 bytes · 78.0% of section data
MD5 598515acae48412f2ea0df40b36b72c8
.rdata 394240 bytes · 17.6% of section data
MD5 429c609e4d9c504a0c119402378c516d
.data 22016 bytes · 1.0% of section data
MD5 061ce33a172023bff77e42489c836fd6
.rsrc 1536 bytes · 0.1% of section data
MD5 7962d2e5097f95b010e3fdeaef66764c
.reloc 74240 bytes · 3.3% of section data
MD5 413e16f1874031751f14c7cf7c8ef35e

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 8cd2a57dc4d92f46ef02a77b136dc0b8.
  • 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.