GridinSoft Threat Intelligence

trufos.sys file report

Clean record File reputation report
MD5 99b40d328d81319d3e97e3c567603d76
Latest seen 2025-11-05 23:01:27 (6 months ago)
First seen 2024-11-23 23:01:36 (2 years ago)
Size 614 KB
Publisher Bitdefender
Product Bitdefender Antivirus
Signed by Microsoft Windows Hardware Compatibility Publisher

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2024-11-23 23:01:36 (2 years ago); latest analysis 2025-11-05 23:01:27 (6 months ago).

Publisher context

Company metadata: Bitdefender. Product metadata: Bitdefender Antivirus.

Digital signature

Signed by Microsoft Windows Hardware Compatibility Publisher. ThreatInfo marks this publisher as trusted for this record.

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. Confirm the hash and publisher match the expected software.
  2. Review the observed locations and signature information below.
  3. Rescan if the file was downloaded from an unknown source or appears in an unusual path.

File context

trufos.sys is a Windows file recorded in the ThreatInfo database. It is associated with Bitdefender Antivirus. The reported company name is Bitdefender. The current detection status is Clean, based on the latest analysis from 2025-11-05 23:01:27 (6 months ago).

This record is currently marked as clean, but file reputation can depend on the exact path, hash, and source. Compare the MD5 and publisher data below with the file on your system.

File Details

Product Name: Bitdefender Antivirus
Company Name: Bitdefender
MD5: 99b40d328d81319d3e97e3c567603d76
Size: 614 KB
First Published: 2024-11-23 23:01:36 (2 years ago)
Latest Published: 2025-11-05 23:01:27 (6 months ago)
Status: Clean (on last analysis)
Analysis Date: 2025-11-05 23:01:27 (6 months ago)

Overview

Signed By: Microsoft Windows Hardware Compatibility Publisher
Status: Trusted Publisher

ThreatInfo marks this publisher as trusted for this record, but the file hash and source should still match the expected software distribution.

Common Places:

%programfiles%\orange

ThreatInfo has observed trufos.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 trufos.sys across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country France
Share 100.0%
Low High activity

The strongest geographic signal for this file is France with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 100.0%

The most common operating system signal for trufos.sys is Windows 10 with 100.0% 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

trufos.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 0x000a0000
Image base 0x0000000140000000

PE Sections:

Sections 8
Raw data 618496

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

.text 561664 bytes · 90.8% of section data
MD5 4cfd5ae6438434e9aaeb343388ae1a86
.rdata 26112 bytes · 4.2% of section data
MD5 1ecd2613e5e0850f152d565f0587a292
.data 7680 bytes · 1.2% of section data
MD5 e7d5768a74f664c8bfad612ee65474c1
.pdata 11264 bytes · 1.8% of section data
MD5 6225888ace0aa3f5253a0c350dfc0588
PAGE 2560 bytes · 0.4% of section data
Uncommon name
MD5 efa5105657042afd21e661749cdbce0c
INIT 7680 bytes · 1.2% of section data
Uncommon name
MD5 9ca0c9070fa08f9435844da9afc0d4a0
.rsrc 1024 bytes · 0.2% of section data
MD5 79a55ee9bd0bb5dac2a2be313bf2038e
.reloc 512 bytes · 0.1% of section data
MD5 adea4f260da6ebd8bd2c5dc162a03288

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 hash is currently recorded as clean

Use the MD5, publisher, signature, and observed paths in this report to verify that the file on your device is the same copy described here.

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 99b40d328d81319d3e97e3c567603d76.
  • 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.