GridinSoft Threat Intelligence
LibreWolf-WinUpdater.exe threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.Downloader. 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.Downloader
- Recommended action
- Scan and remove
- Last analysis
- 2025-05-05 23:00:37 (a year ago)
- File hash
- 6f385d0380f2d3fb4a94f1d659d00fdf
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Downloader.
First seen 2025-05-03 23:01:04 (a year ago); latest analysis 2025-05-05 23:00:37 (a year ago).
Company metadata: LibreWolf Community. Product metadata: LibreWolf WinUpdater.
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.
File context
LibreWolf-WinUpdater.exe is a Windows file recorded in the ThreatInfo database. It is associated with LibreWolf WinUpdater. The reported company name is LibreWolf Community. The current detection status is Trojan.Downloader, based on the latest analysis from 2025-05-05 23:00:37 (a year ago).
If LibreWolf-WinUpdater.exe 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.Downloader.
File Details
| Product Name: | LibreWolf WinUpdater |
| Company Name: | LibreWolf Community |
| MD5: | 6f385d0380f2d3fb4a94f1d659d00fdf |
| Size: | 844 KB |
| First Published: | 2025-05-03 23:01:04 (a year ago) |
| Latest Published: | 2025-05-05 23:00:37 (a year ago) |
| Status: | Trojan.Downloader (on last analysis) | |
| Analysis Date: | 2025-05-05 23:00:37 (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:
| %programfiles% |
| %desktop% |
| %sysdrive%\mars2025thor\desktop |
| %sysdrive%\mars2025thor\bureausynck |
ThreatInfo has observed LibreWolf-WinUpdater.exe 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 LibreWolf-WinUpdater.exe 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 Portugal with 75.0% 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 LibreWolf-WinUpdater.exe 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
LibreWolf-WinUpdater.exe 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.
e537eb0de3933430c55eb091ff81a087
62563322b18b77c6be99bd6eecfd1555
b047eb1b60bd773527c0a5d8f2562f1b
81bf6abd02edbbd4eb8d938d42fc7b37
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.Downloader
This report identifies LibreWolf-WinUpdater.exe by MD5 6f385d0380f2d3fb4a94f1d659d00fdf. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.