GridinSoft Threat Intelligence
F4E5.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
- 2021-06-21 20:42:46 (4 years ago)
- File hash
- 4866d7abd847043bc8bd208607c7d78d
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Downloader.
First seen 2021-06-21 20:42:46 (4 years ago); latest analysis 2021-06-21 20:42:46 (4 years ago).
Company metadata: Mozilla8File. Product metadata: Firefox0 Prod.
Signed by Mozilla Corporation. 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
- 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
F4E5.exe is a Windows file recorded in the ThreatInfo database. It is associated with Firefox0 Prod. The reported company name is Mozilla8File. The current detection status is Trojan.Downloader, based on the latest analysis from 2021-06-21 20:42:46 (4 years ago).
If F4E5.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: | Firefox0 Prod |
| Company Name: | Mozilla8File |
| MD5: | 4866d7abd847043bc8bd208607c7d78d |
| Size: | 32 KB |
| First Published: | 2021-06-21 20:42:46 (4 years ago) |
| Latest Published: | 2021-06-21 20:42:46 (4 years ago) |
| Status: | Trojan.Downloader (on last analysis) | |
| Analysis Date: | 2021-06-21 20:42:46 (4 years 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: | Invalid (digital signature could be stolen or file could be patched) |
The signature on F4E5.exe 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:
| %temp% |
ThreatInfo has observed F4E5.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 F4E5.exe 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 Sweden 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 F4E5.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
F4E5.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.
.NET Info:
| MVID: | 92395fcc-4165-40ed-99c3-514a169cfefb |
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
2cae828d7b82759dd1fcb7eb0b3d5ba4
160e3929d5e92ad24fdbe22f880e3b80
785d3b91412f139bdb269a405d8fc162
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 F4E5.exe by MD5 4866d7abd847043bc8bd208607c7d78d. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.