GridinSoft Threat Intelligence

PCFApiUtil64.sys file report

Under review File reputation report
MD5 830e1fc33d18fe29841ed21f5b83540e
Latest seen 2025-05-14 23:01:19 (a year ago)
First seen 2017-05-21 09:02:03 (9 years ago)
Size 141 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 09:02:03 (9 years ago); latest analysis 2025-05-14 23:01:19 (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

PCFApiUtil64.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 23:01:19 (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: 830e1fc33d18fe29841ed21f5b83540e
Size: 141 KB
First Published: 2017-05-21 09:02:03 (9 years ago)
Latest Published: 2025-05-14 23:01:19 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-05-14 23:01:19 (a year ago)

Overview

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

The signature on PCFApiUtil64.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
%programfiles%
%sysdrive%\logiciel\2017\pc faster

ThreatInfo has observed PCFApiUtil64.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 PCFApiUtil64.sys across 77 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Thailand
Share 19.2%
Low High activity

The strongest geographic signal for this file is Thailand with 19.2% 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 56.8%
Windows 10 30.5%
Windows 8.1 7.4%
Windows 8 2.4%
Windows XP 1.8%
Windows Vista 0.8%
Windows Embedded 8.1 0.4%

The most common operating system signal for PCFApiUtil64.sys is Windows 7 with 56.8% 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

PCFApiUtil64.sys is identified as pe for 64-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 64-bit
Subsystem Native
Entry point 0x0001fb00
Image base 0x0000000000010000

PE Sections:

Sections 8
Raw data 135808

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

.text 54048 bytes · 39.8% of section data
MD5 41eed7d6d4039f343c8c5fd513e2c851
.rdata 8224 bytes · 6.1% of section data
MD5 5dbb38676e752c729917725ba94c14b7
.data 64064 bytes · 47.2% of section data
MD5 f9050fa99cc226fa08136b88139f46a5
.pdata 1408 bytes · 1.0% of section data
MD5 fabecdb41f571ccb99e867fdd4527464
PAGE 1216 bytes · 0.9% of section data
Uncommon name
MD5 9a41eb36179fca5020db877a2b83c6d8
INIT 3264 bytes · 2.4% of section data
Uncommon name
MD5 ac5d1da957c24c151adbea86a6be474c
.rsrc 864 bytes · 0.6% of section data
MD5 3b3e111cd5579a67db325805d6036a7c
.reloc 2720 bytes · 2.0% of section data
MD5 0ab1d1949f5420aafdb1adcb064e592d

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 830e1fc33d18fe29841ed21f5b83540e.
  • 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.