GridinSoft Threat Intelligence
npwzwmc.dll threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Trojan.Packed. 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.Packed
- Recommended action
- Scan and remove
- Last analysis
- 2026-03-02 23:00:58 (2 months ago)
- File hash
- 76a63c17e7f698c21f0c88f7e73646b9
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Trojan.Packed, 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 2026-03-02 23:00:58 (2 months ago); latest analysis 2026-03-02 23:00:58 (2 months ago).
Company metadata: WinZip Computing, S.L.. Product metadata: WinZip Courier.
Signed by WinZip Computing. 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 Trojan category for related samples and common context.
File context
npwzwmc.dll is a Windows file recorded in the ThreatInfo database. It is associated with WinZip Courier. The reported company name is WinZip Computing, S.L.. The current detection status is Trojan.Packed, based on the latest analysis from 2026-03-02 23:00:58 (2 months ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.
If npwzwmc.dll 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.Packed.
File Details
| Product Name: | WinZip Courier |
| Company Name: | WinZip Computing, S.L. |
| MD5: | 76a63c17e7f698c21f0c88f7e73646b9 |
| Size: | 192 KB |
| First Published: | 2026-03-02 23:00:58 (2 months ago) |
| Latest Published: | 2026-03-02 23:00:58 (2 months ago) |
| Status: | Trojan.Packed (on last analysis) | |
| Analysis Date: | 2026-03-02 23:00:58 (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: | WinZip Computing |
| Status: | Valid |
The signature on npwzwmc.dll 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 npwzwmc.dll 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 npwzwmc.dll 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 United States 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 npwzwmc.dll 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
npwzwmc.dll 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.
056ff68d83334c2f9e7c8b9dde420e21
c61e1c5e3ee059addf9ea2c6ee0d0511
81067427f7b63eb1efa9e3dc50a3f20a
e480d75f0d894919c6e5b71f2feec677
7344fd09e64152bdb0e0446ceb79b9ff
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.Packed
This report identifies npwzwmc.dll by MD5 76a63c17e7f698c21f0c88f7e73646b9. 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.