GridinSoft Threat Intelligence
xul.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.Heur!. 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
- Trojan.Heur!
- Recommended action
- Scan and remove
- Last analysis
- 2026-05-20 20:00:19 (a week ago)
- File hash
- d907559f6ac2cc11462438626080a6ee
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Heur!, part of the Trojan threat category.
Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.
First seen 2026-05-20 20:00:19 (a week ago); latest analysis 2026-05-20 20:00:19 (a week ago).
Company metadata: Mullvad VPN AB. Product metadata: Mullvad Browser.
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 Trojan category for related samples and common context.
File context
xul.dll is a Windows file recorded in the ThreatInfo database. It is associated with Mullvad Browser. The reported company name is Mullvad VPN AB. The current detection status is Trojan.Heur!, based on the latest analysis from 2026-05-20 20:00:19 (a week ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If xul.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 Trojan.Heur!.
File Details
| Product Name: | Mullvad Browser |
| Company Name: | Mullvad VPN AB |
| MD5: | d907559f6ac2cc11462438626080a6ee |
| Size: | 161 MB |
| First Published: | 2026-05-20 20:00:19 (a week ago) |
| Latest Published: | 2026-05-20 20:00:19 (a week ago) |
| Status: | Trojan.Heur! (on last analysis) | |
| Analysis Date: | 2026-05-20 20:00:19 (a week 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.
Common Places:
| %desktop%\mullvad browser |
ThreatInfo has observed xul.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 xul.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 Canada 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 xul.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
xul.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.
147a75e56e750ee5e302309fbcea07af
b3a9bb7914f0e45d8758c74ef9997218
1f1d32d26cc3afcfbe4c16667ab8db2a
9e3995f8b18e27b94b52e0ac1198fa69
12d60bdcc06d94fab1705fc494f75849
f301dff01120f3ab5e47b6c1a1106a85
bdbdda088e96964396ae2e1bcacad9b3
c001aec2420873c1172852b0cc1ddf66
f1831479b30567f9b4bb237f278a257c
d51c81e0c55c429da17e69290c4d6f7f
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 Trojan.Heur!
This report identifies xul.dll by MD5 d907559f6ac2cc11462438626080a6ee. It is part of the Trojan 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.