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
- 2025-04-27 23:01:14 (a year ago)
- File hash
- cd8754c42b9b3bafac3ffbe186f6a658
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 2025-04-27 23:01:14 (a year ago); latest analysis 2025-04-27 23:01:14 (a year 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 2025-04-27 23:01:14 (a year 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: | cd8754c42b9b3bafac3ffbe186f6a658 |
| Size: | 154 MB |
| First Published: | 2025-04-27 23:01:14 (a year ago) |
| Latest Published: | 2025-04-27 23:01:14 (a year ago) |
| Status: | Trojan.Heur! (on last analysis) | |
| Analysis Date: | 2025-04-27 23:01:14 (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.
Common Places:
| %localappdata%\mullvad\mullvadbrowser |
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 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 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.
61d488924ef33e2249c3c506063fb8d7
17f7d44ea3bad3bc36053b419588feef
76d6e12fbb996e0be26f7471d093926e
ecb7d2e923fb7d58922f2b6b690c9c8e
b3cd8df494f9b7b815aa3c00304d73ce
af48ebd48d5e6eb5a87361c5c54a87d3
b304dc9498083ff387507054c419dfeb
1f084182672eb35aadb1f22dff347add
f4eda2d2d1bbc0a9f0fbe28834c314b6
f79c0e696bbf180225adfab6a8d3d79d
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 cd8754c42b9b3bafac3ffbe186f6a658. 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.