GridinSoft Threat Intelligence
xpcom_core.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Adware.DNSKeep (Heuristic). Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.
- Detection name
- Adware.DNSKeep (Heuristic)
- Recommended action
- Scan and remove
- Last analysis
- 2025-01-25 23:01:28 (a year ago)
- File hash
- a723cce7e469839e7728a8eefa835a17
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.DNSKeep (Heuristic), part of the Adware threat category.
Programs that inject advertising, change browser behavior, or monetize traffic through bundled components. Related Adware reports help compare this file with nearby detections, publishers, and hashes.
First seen 2024-10-13 23:02:25 (2 years ago); latest analysis 2025-01-25 23:01:28 (a year ago).
Company metadata: Mozilla Foundation. Product metadata: Thunderbird.
Signed by Mozilla Corporation. 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
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Adware category for related samples and common context.
File context
xpcom_core.dll is a Windows file recorded in the ThreatInfo database. It is associated with Thunderbird. The reported company name is Mozilla Foundation. The current detection status is Adware.DNSKeep (Heuristic), based on the latest analysis from 2025-01-25 23:01:28 (a year ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.
If xpcom_core.dll appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Adware.DNSKeep (Heuristic).
File Details
| Product Name: | Thunderbird |
| Company Name: | Mozilla Foundation |
| MD5: | a723cce7e469839e7728a8eefa835a17 |
| Size: | 410 KB |
| First Published: | 2024-10-13 23:02:25 (2 years ago) |
| Latest Published: | 2025-01-25 23:01:28 (a year ago) |
| Status: | Adware.DNSKeep (Heuristic) (on last analysis) | |
| Analysis Date: | 2025-01-25 23:01:28 (a year ago) |
Detection screenshot
The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.
Overview
| Signed By: | Mozilla Corporation |
| Status: | Valid |
The signature on xpcom_core.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:
| %commonappdata% |
ThreatInfo has observed xpcom_core.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 xpcom_core.dll across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Spain with 50.0% 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 xpcom_core.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
xpcom_core.dll is identified as pe for 32-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.
a78f3e8cf3e5f9bd7344c84421f64cb0
e40fe39420d4fc36765241b15cc77d5b
ae4b360ae30cddc2d7c79fe20000c54b
3fefa2563cfdc4a4a1a3f13c807b77b6
8e10efc602c694c46e9bc02a20b750a5
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
GridinSoft detects this file as Adware.DNSKeep (Heuristic)
This report identifies xpcom_core.dll by MD5 a723cce7e469839e7728a8eefa835a17. It is part of the Adware report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.