GridinSoft Threat Intelligence
def.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
- 2024-05-29 23:06:21 (2 years ago)
- File hash
- 01ed6b7f7509344c121bc44eefc12889
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Downloader.
First seen 2024-05-29 23:06:21 (2 years ago); latest analysis 2024-05-29 23:06:21 (2 years ago).
Product metadata: QCE Messenger.
Signed by Jean Lalonde. 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
def.exe is a Windows file recorded in the ThreatInfo database. It is associated with QCE Messenger. The current detection status is Trojan.Downloader, based on the latest analysis from 2024-05-29 23:06:21 (2 years ago).
If def.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: | QCE Messenger |
| MD5: | 01ed6b7f7509344c121bc44eefc12889 |
| Size: | 2 MB |
| First Published: | 2024-05-29 23:06:21 (2 years ago) |
| Latest Published: | 2024-05-29 23:06:21 (2 years ago) |
| Status: | Trojan.Downloader (on last analysis) | |
| Analysis Date: | 2024-05-29 23:06:21 (2 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: | Jean Lalonde |
| Status: | Invalid (digital signature could be stolen or file could be patched) |
The signature on def.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 def.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 def.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 Dominican Republic 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 def.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
def.exe 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.
2cb2cc753efaeec52225167dc88ea647
fb0119a36e42b52816b67655e3708a59
c3f8dbbdb00a1e43a28cdbf0f4c49b64
7ad34a269fdb90eb2e3104d81b1922fb
c2225e974b892ae6322728534b6587c5
8f4275b626558a8640120f611553e570
4ef9bbe389aa5443adc4aa5c8d703793
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 def.exe by MD5 01ed6b7f7509344c121bc44eefc12889. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.