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 Backdoor.DCRat. 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
- Backdoor.DCRat
- Recommended action
- Scan and remove
- Last analysis
- 2025-09-19 23:00:50 (8 months ago)
- File hash
- f9040149cad1ef83701907f84e504783
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Backdoor.DCRat, part of the Backdoor threat category.
Remote-access components that can give an operator control over an affected system. Related Backdoor reports help compare this file with nearby detections, publishers, and hashes.
First seen 2024-11-29 23:00:46 (a year ago); latest analysis 2025-09-19 23:00:50 (8 months ago).
Product metadata: WeatherZero.
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. Review the Backdoor category for related samples and common context.
File context
wzupdate.exe is a Windows file recorded in the ThreatInfo database. It is associated with WeatherZero. The current detection status is Backdoor.DCRat, based on the latest analysis from 2025-09-19 23:00:50 (8 months ago). ThreatInfo groups this verdict with Backdoor reports for broader family-level investigation.
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 Backdoor.DCRat.
File Details
| Product Name: | WeatherZero |
| MD5: | f9040149cad1ef83701907f84e504783 |
| Size: | 10 MB |
| First Published: | 2024-11-29 23:00:46 (a year ago) |
| Latest Published: | 2025-09-19 23:00:50 (8 months ago) |
| Status: | Backdoor.DCRat (on last analysis) | |
| Analysis Date: | 2025-09-19 23:00:50 (8 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 2 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Brazil with 50.0% 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.
64fa266cddfd147c41a63e5a90a3bc86
4c2c15af63a9ca672fd4d4af104963ba
759acada5b10726413b76be540ea76fb
d41d8cd98f00b204e9800998ecf8427e
48bc199e5e20a4ea62fe70835f51c3b5
416682ef238eb57b344aeca1a0d1d0cc
b64981d67cdf9fd7456df23185b8a6f2
d41d8cd98f00b204e9800998ecf8427e
9f9170ff27f29b860dd98a0e9c97b809
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 Backdoor.DCRat
This report identifies wzupdate.exe by MD5 f9040149cad1ef83701907f84e504783. It is part of the Backdoor 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.