GridinSoft Threat Intelligence
wzupdate.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
- 2026-03-15 23:01:04 (2 months ago)
- File hash
- 2d39559f50f28cf03eaa8b86c0650bdf
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Heur!.
First seen 2026-03-15 23:01:03 (2 months ago); latest analysis 2026-03-15 23:01:04 (2 months ago).
Product metadata: WeatherZer0.
Signed by Sanem Digital Limited. The signature is reported as valid, but signed files can still be bundled or abused.
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
wzupdate.exe is a Windows file recorded in the ThreatInfo database. It is associated with WeatherZer0. The current detection status is Trojan.Heur!, based on the latest analysis from 2026-03-15 23:01:04 (2 months ago).
If wzupdate.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: | WeatherZer0 |
| MD5: | 2d39559f50f28cf03eaa8b86c0650bdf |
| Size: | 10 MB |
| First Published: | 2026-03-15 23:01:03 (2 months ago) |
| Latest Published: | 2026-03-15 23:01:04 (2 months ago) |
| Status: | Trojan.Heur! (on last analysis) | |
| Analysis Date: | 2026-03-15 23:01:04 (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.
Overview
| Signed By: | Sanem Digital Limited |
| Status: | Valid |
The signature on wzupdate.exe is reported as valid. A valid signature helps confirm publisher identity, but it does not automatically make the file safe if the installer was bundled, abused, or downloaded from an untrusted source.
Common Places:
| %programfiles% |
ThreatInfo has observed wzupdate.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 wzupdate.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 Argentina 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 wzupdate.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
wzupdate.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.
5a1d61f35390769d1d5f7b58f647b5e8
b2dbb7aa0e65f504cfc6f8ad90006284
c2bc17a72cfdc86f11b732f4bf67ef02
d41d8cd98f00b204e9800998ecf8427e
0eed0ceaec2071aba05f2ca5038b4cf6
72023a4a1573047496f031447e4a98c4
7112bdaca8b449711c85f5ec0a1ef7f4
d41d8cd98f00b204e9800998ecf8427e
bac37fe0ced43c6d1d268893065bc3d0
0e4fc8b52487604ee02f1a1833eea43f
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 wzupdate.exe by MD5 2d39559f50f28cf03eaa8b86c0650bdf. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.