GridinSoft Threat Intelligence
aucchecker.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2026-01-21 23:01:17 (4 months ago); latest analysis 2026-05-13 17:00:59 (a day ago).
Company metadata: Avira Operations GmbH. Product metadata: Avira URL Checker Library.
Signed by Avira Operations GmbH. The signature is reported as valid, but signed files can still be bundled or abused.
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- Run a local scan if the file appears unexpectedly or starts with Windows.
File context
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 2026-05-13 17:00:59 (a day 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 URL Checker Library |
| Company Name: | Avira Operations GmbH |
| MD5: | f84b94f08d0b4945cdf4bd025a3e353c |
| Size: | 305 KB |
| First Published: | 2026-01-21 23:01:17 (4 months ago) |
| Latest Published: | 2026-05-13 17:00:59 (a day ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2026-05-13 17:00:59 (a day ago) |
Overview
| Signed By: | Avira Operations GmbH |
| Status: | Valid |
The signature on aucchecker.dll 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%\totalav\endpoint protection sdk |
| %programfiles%\totalav\endpoint protection sdk\updatebackup |
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.
Geographic signal
Observed country distribution
ThreatInfo has seen aucchecker.dll across 3 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is United States with 60.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
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.
Analysis
aucchecker.dll is identified as pe for 64-bit 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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
40954de77e78a3f856b95fc3a0c333dc
218c18edf129097d5939d0693ff51b9f
997de07cb89d54bb4d6fe9a32b36095f
6a532042efd03b7908fb1886ffd9ec7f
6a8e659b61b621f19046c7ca17df1f23
b57c4540c202215f92c1664e1fb112d9
01c191aa234c348f2cdabbf5edb831aa
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.