GridinSoft Threat Intelligence
lz4.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.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
- 2026-05-24 12:01:00 (3 days ago)
- File hash
- ff4f37066cdb9d9e3f0093c932f3bdc2
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 2026-05-24 12:01:00 (3 days ago); latest analysis 2026-05-24 12:01:00 (3 days ago).
Company metadata: Yann Collet. Product metadata: LZ4.
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
lz4.exe is a Windows file recorded in the ThreatInfo database. It is associated with LZ4. The reported company name is Yann Collet. The current detection status is Trojan.Heur!, based on the latest analysis from 2026-05-24 12:01:00 (3 days ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If lz4.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.Heur!.
File Details
| Product Name: | LZ4 |
| Company Name: | Yann Collet |
| MD5: | ff4f37066cdb9d9e3f0093c932f3bdc2 |
| Size: | 235 KB |
| First Published: | 2026-05-24 12:01:00 (3 days ago) |
| Latest Published: | 2026-05-24 12:01:00 (3 days ago) |
| Status: | Trojan.Heur! (on last analysis) | |
| Analysis Date: | 2026-05-24 12:01:00 (3 days 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:
| %sysdrive%\repair corner cust mod\repair corner convert glboal\tool |
ThreatInfo has observed lz4.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 lz4.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 Myanmar 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 lz4.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
lz4.exe is identified as pe for 32-bit systems. The subsystem is Windows CUI. 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.
cce3ae8266fa615aec18ac8cbf933860
9eac7e7b0a05a8e50ce0c80d190ed7f3
d1611ce90dab04597d5cb7c7e02f7ce9
d34ccbfcd62f0387b6f3d44def7f22ec
30cb58623bbc1437fdf2b053bcc21044
d41d8cd98f00b204e9800998ecf8427e
603ab7ef73d414af5a8f5016f7df0168
c446348b4b102687f55a9adc4f7a22ae
79cff4b036b822d48af8f31df1d16697
01c43f73b9adf612ae882976d3dc8b93
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 lz4.exe by MD5 ff4f37066cdb9d9e3f0093c932f3bdc2. 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.