GridinSoft Threat Intelligence
FiberTwig.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
- 2026-04-05 23:01:15 (2 months ago)
- File hash
- fcef1ab85018d01806a916ab52a2d9fb
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 2026-04-05 23:01:15 (2 months ago); latest analysis 2026-04-05 23:01:15 (2 months ago).
Company metadata: Puzzle Lab. Product metadata: Fiber Twig.
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
FiberTwig.exe is a Windows file recorded in the ThreatInfo database. It is associated with Fiber Twig. The reported company name is Puzzle Lab. The current detection status is Trojan.Heur!, based on the latest analysis from 2026-04-05 23:01:15 (2 months ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If FiberTwig.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: | Fiber Twig |
| Company Name: | Puzzle Lab |
| MD5: | fcef1ab85018d01806a916ab52a2d9fb |
| Size: | 937 KB |
| First Published: | 2026-04-05 23:01:15 (2 months ago) |
| Latest Published: | 2026-04-05 23:01:15 (2 months ago) |
| Status: | Trojan.Heur! (on last analysis) | |
| Analysis Date: | 2026-04-05 23:01:15 (2 months 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%\usb |
ThreatInfo has observed FiberTwig.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 FiberTwig.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 Libya 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 FiberTwig.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
FiberTwig.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.
8f637c747ee8306c8bf2eba7b10a09ff
ae680464e68d9cf6224bd7ace924bfad
d41d8cd98f00b204e9800998ecf8427e
9ce5b446bb53e2d8977b1a24e03178f1
d41d8cd98f00b204e9800998ecf8427e
79e663b5a557288bebcc510a7dc4a3b2
1348f7c2b08cab25b006afd6145db0ef
aa9b11bc02fb7ccee958f63e1598ad5e
1a45ee41c22947eb305a6c04f86afe9c
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 FiberTwig.exe by MD5 fcef1ab85018d01806a916ab52a2d9fb. 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.