GridinSoft Threat Intelligence

CleanerEngineSvc.exe file report

Under review File reputation report
MD5 909a77678e447339db1880cdb1ea2f47
Latest seen 2023-11-09 23:23:30 (2 years ago)
First seen 2017-05-21 09:02:02 (9 years ago)
Size 1 MB
Publisher Baidu, Inc.
Product Baidu PC Faster

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Category context

Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2017-05-21 09:02:02 (9 years ago); latest analysis 2023-11-09 23:23:30 (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.

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.

CleanerEngineSvc.exe 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 23:23:30 (2 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

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 PC Faster
Company Name: Baidu, Inc.
MD5: 909a77678e447339db1880cdb1ea2f47
Size: 1 MB
First Published: 2017-05-21 09:02:02 (9 years ago)
Latest Published: 2023-11-09 23:23:30 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2023-11-09 23:23:30 (2 years ago)

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

ThreatInfo has observed CleanerEngineSvc.exe 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.

PCFasterSvc.exe SysOptEngineSvc.exe CleanerEngineSvc.exe

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.

Windows 7 77.7%
Windows XP 17.1%
Windows 10 2.6%
Windows 8 1.5%
Windows 8.1 1.0%
Windows Embedded 8.1 0.1%

The most common operating system signal for CleanerEngineSvc.exe is Windows 7 with 77.7% 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.

CleanerEngineSvc.exe 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 0x000a2296
Image base 0x00400000

PE Sections:

Sections 5
Raw data 1707520

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

.text 1259520 bytes · 73.8% of section data
MD5 3730749ce4f2eff0243c51a978db281f
.rdata 282112 bytes · 16.5% of section data
MD5 3321747893f0bf46575bc7ca53f02290
.data 19456 bytes · 1.1% of section data
MD5 83eb04c7979be34574262a097d6a8693
.rsrc 63488 bytes · 3.7% of section data
MD5 99e522af9fe7e5c3eb532b352148c44c
.reloc 82944 bytes · 4.9% of section data
MD5 e304fc828092b0816fb3f77a212fcb1e

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 909a77678e447339db1880cdb1ea2f47.
  • 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. Use the PUP category to compare similar reports.