GridinSoft Threat Intelligence
apcsdk2.dll file report
Why it matters
Evidence available for this file
No final classification is available yet.
Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.
First seen 2025-01-03 23:02:48 (a year ago); latest analysis 2026-02-05 23:01:12 (3 months ago).
Company metadata: Avira Operations GmbH. Product metadata: Avira Protecion Cloud SDK.
Signed by Avira Operations GmbH. The signature is not reported as trusted and valid, which can indicate tampering, repackaging, or copied publisher data.
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
apcsdk2.dll is a Windows file recorded in the ThreatInfo database. It is associated with Avira Protecion Cloud SDK. The reported company name is Avira Operations GmbH. The current detection status is Undefined, based on the latest analysis from 2026-02-05 23:01:12 (3 months ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.
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 Protecion Cloud SDK |
| Company Name: | Avira Operations GmbH |
| MD5: | 8c9e6e9c210ea37876e48c4e5b38b1c0 |
| Size: | 5 MB |
| First Published: | 2025-01-03 23:02:48 (a year ago) |
| Latest Published: | 2026-02-05 23:01:12 (3 months ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2026-02-05 23:01:12 (3 months ago) |
Overview
| Signed By: | Avira Operations GmbH |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on apcsdk2.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.
Common Places:
| %programfiles%\totalav\endpoint protection sdk |
| %programfiles%\totalav\endpoint protection sdk\updatebackup |
ThreatInfo has observed apcsdk2.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 apcsdk2.dll across 1 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 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:
The most common operating system signal for apcsdk2.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
apcsdk2.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.
a2968c5acc4f3c07d80bab04ad4cb97a
00c0cbdf8aa4bb3803e596f4ab8fbc00
053981a50d564299c07a9f3fb6b91a5b
3be976a59b647631230a384f701d6cf6
688f1aa37e40e65d5f0d359abccbd3be
fe91f578a9825954bb7e8d0bb434415f
b6e90d3886321d5c9f6d954fa9f93b78
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.