GridinSoft Threat Intelligence

PCFApiUtil.sys file report

Under review File reputation report
MD5 f0502923ab29c29dbe3f86f3ca5f5f24
Latest seen 2025-05-14 23:01:18 (a year ago)
First seen 2017-05-21 09:02:02 (9 years ago)
Size 115 KB
Publisher Baidu, Inc.
Product Baidu Antivirus
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 09:02:02 (9 years ago); latest analysis 2025-05-14 23:01:18 (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.

File context

PCFApiUtil.sys 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 23:01:18 (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 Antivirus
Company Name: Baidu, Inc.
MD5: f0502923ab29c29dbe3f86f3ca5f5f24
Size: 115 KB
First Published: 2017-05-21 09:02:02 (9 years ago)
Latest Published: 2025-05-14 23:01:18 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-05-14 23:01:18 (a year ago)

Overview

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

The signature on PCFApiUtil.sys 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
%programfiles%\pc faster\update
%sysdrive%\pc faster\5.1.0.0
%programfiles%
%sysdrive%\programok\baidu
%sysdrive%\pc faster
%sysdrive%\util\pc faster

ThreatInfo has observed PCFApiUtil.sys 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 PCFApiUtil.sys across 75 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Thailand
Share 18.7%
Low High activity

The strongest geographic signal for this file is Thailand with 18.7% 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 56.6%
Windows 10 29.8%
Windows 8.1 7.2%
Windows XP 3.4%
Windows 8 2.1%
Windows Vista 0.6%
Windows Embedded 8.1 0.4%

The most common operating system signal for PCFApiUtil.sys is Windows 7 with 56.6% 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

PCFApiUtil.sys is identified as pe for 32-bit systems. The subsystem is Native. 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 Native
Entry point 0x00018e00
Image base 0x00010000

PE Sections:

Sections 7
Raw data 109376

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

.text 40288 bytes · 36.8% of section data
MD5 abd89e10478bcc248e5b56f5be915841
.rdata 992 bytes · 0.9% of section data
MD5 a4007edf17a66cbda5824aee19567105
.data 58880 bytes · 53.8% of section data
MD5 dfacb4a98ee578961776e0ae9972baf2
PAGE 960 bytes · 0.9% of section data
Uncommon name
MD5 af318b173431165c7064e8824a819217
INIT 2912 bytes · 2.7% of section data
Uncommon name
MD5 090e76a3f4eaae1ca0405ac38ddb6491
.rsrc 864 bytes · 0.8% of section data
MD5 1e0d3c1c5072d06f20be5b5bda8153da
.reloc 4480 bytes · 4.1% of section data
MD5 db872611e0ad0ddc39ec7e9238007406

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 f0502923ab29c29dbe3f86f3ca5f5f24.
  • 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.