aucchecker.dll file report

MD5 c1eeab35df41adda5d1a2e0c16136731
Latest seen 2026-02-05 23:01:17 (3 months ago)
First seen 2025-01-03 23:02:42 (a year ago)
Size 302 KB

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2025-01-03 23:02:42 (a year ago); latest analysis 2026-02-05 23:01:17 (3 months ago).

Publisher context

Company metadata: Avira Operations GmbH. Product metadata: Avira URL Checker Library.

Digital signature

Signed by Avira Operations GmbH. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.

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.

aucchecker.dll is a Windows file recorded in the ThreatInfo database. It is associated with Avira URL Checker Library. The reported company name is Avira Operations GmbH. The current detection status is Undefined, based on the latest analysis from 2026-02-05 23:01:17 (3 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.

Product Name: Avira URL Checker Library
Company Name: Avira Operations GmbH
MD5: c1eeab35df41adda5d1a2e0c16136731
Size: 302 KB
First Published: 2025-01-03 23:02:42 (a year ago)
Latest Published: 2026-02-05 23:01:17 (3 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2026-02-05 23:01:17 (3 months ago)
Signed By: Avira Operations GmbH
Status: Invalid (digital signature could be stolen or file could be patched)

The signature on aucchecker.dll is not reported as trusted and valid. Invalid or suspicious signature data can indicate tampering, repackaging, or an unrelated file using copied publisher information.

%programfiles%\totalav\endpoint protection sdk
%programfiles%\totalav\endpoint protection sdk\updatebackup
%programfiles%\totalav\endpoint protection sdk
%programfiles%\totalav\endpoint protection sdk
%programfiles%\totalav\endpoint protection sdk

ThreatInfo has observed aucchecker.dll 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.

100.0%

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

Windows 10 100.0%

The most common operating system signal for aucchecker.dll 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.

aucchecker.dll is identified as pe for 64 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 64
Image Base: 0x0000000180000000
Entry Address: 0x000131f0

PE Sections:

Name Size of data MD5
.text 181248 726d11cb6a517516c456ec196721032f
.rdata 89088 78ade3189a128196a4c6c7b1f6165249
.data 7168 3c67d8ec013a22870cce7edde9000113
.pdata 10752 06dc71bebc07a010035c908c830511c4
_RDATA 512 dc046d663a754590546a32aeb7c92382
.rsrc 1536 8e38bb70404d449c83f84cf0d9fb1a8a
.reloc 2560 30de15a02fbde8ed92293e9ea9b42e61

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.

More information: