GridinSoft Threat Intelligence

avgntflt.sys file report

Under review File reputation report
MD5 f16335a9102ffc99a8c8e07e1b2d57d4
Latest seen 2026-04-04 23:01:19 (2 months ago)
First seen 2022-10-03 23:22:00 (3 years ago)
Size 172 KB
Publisher Avira Operations GmbH & Co. KG
Product Avira Product Family
Signed by Avira Operations GmbH & Co. KG;Microsoft Windows Hardware Compatibility Publisher

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2022-10-03 23:22:00 (3 years ago); latest analysis 2026-04-04 23:01:19 (2 months ago).

Publisher context

Company metadata: Avira Operations GmbH & Co. KG. Product metadata: Avira Product Family.

Digital signature

Signed by Avira Operations GmbH & Co. KG;Microsoft Windows Hardware Compatibility Publisher. 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

avgntflt.sys is a Windows file recorded in the ThreatInfo database. It is associated with Avira Product Family. The reported company name is Avira Operations GmbH & Co. KG. The current detection status is Undefined, based on the latest analysis from 2026-04-04 23:01:19 (2 months 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: Avira Product Family
Company Name: Avira Operations GmbH & Co. KG
MD5: f16335a9102ffc99a8c8e07e1b2d57d4
Size: 172 KB
First Published: 2022-10-03 23:22:00 (3 years ago)
Latest Published: 2026-04-04 23:01:19 (2 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2026-04-04 23:01:19 (2 months ago)

Overview

Signed By: Avira Operations GmbH & Co. KG;Microsoft Windows Hardware Compatibility Publisher
Status: Valid

The signature on avgntflt.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:

%commonappdata%\totalav\updates\savapi 9.1.1\on_access\win32
%programfiles%\totalav\savapi\on_access\win32
%commonappdata%\totalav\updates\savapi 10.0.1\on_access\win32
%programfiles%\scanguard\savapi\on_access\win32
%programfiles%\pcprotect\savapi\on_access\win32
%programfiles%\outbyte\avarmor\engine\on_access\win32
%commonappdata%\totalav\updates\savapi 11.0.1\on_access\win32

ThreatInfo has observed avgntflt.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 avgntflt.sys across 40 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country United States
Share 17.1%
Low High activity

The strongest geographic signal for this file is United States with 17.1% 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 96.1%
Windows 7 1.9%
Windows Embedded 8.1 1.3%
Windows 8.1 0.6%

The most common operating system signal for avgntflt.sys is Windows 10 with 96.1% 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

avgntflt.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 0x00026260
Image base 0x00400000

PE Sections:

Sections 8
Raw data 144384

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

.text 71168 bytes · 49.3% of section data
MD5 5050e75b15fa0941ebc617dfc13d7223
NONPAGED 512 bytes · 0.4% of section data
Uncommon name
MD5 e562d9994f5432563127d727f3b64378
.rdata 5120 bytes · 3.5% of section data
MD5 47e3be0ff23869f1a56aa05d0a88e5d3
.data 1024 bytes · 0.7% of section data
MD5 f9c42d55701951cb652c8ce72afb915e
PAGE 48640 bytes · 33.7% of section data
Uncommon name
MD5 cb931d039abd2a9a3b6e3cbce63d18e4
INIT 7168 bytes · 5.0% of section data
Uncommon name
MD5 d7c4b3b5c808ac6e3bff7019ee66c211
.rsrc 1536 bytes · 1.1% of section data
MD5 19b4735eef76029680ddeaf9e1f7722b
.reloc 9216 bytes · 6.4% of section data
MD5 cc790712dfd00e0858ca106e47c9b52f

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 f16335a9102ffc99a8c8e07e1b2d57d4.
  • 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.