GridinSoft Threat Intelligence

WZSVC.DLL threat report

Detected as Trojan.Packed File reputation report
MD5 363e830509fac046e5daa21c83114322
Latest seen 2026-05-14 10:00:50 (2 weeks ago)
First seen 2026-02-27 23:00:37 (3 months ago)
Size 44 KB
Product WinZip Courier
Signed by WinZip Computing

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
2026-05-14 10:00:50 (2 weeks ago)
File hash
363e830509fac046e5daa21c83114322
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Trojan.Packed, part of the Trojan threat category.

Category context

Malware disguised as legitimate software or delivered through deceptive packaging. Related Trojan reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2026-02-27 23:00:37 (3 months ago); latest analysis 2026-05-14 10:00:50 (2 weeks ago).

Publisher context

Company metadata: WinZip Computing, S.L.. Product metadata: WinZip Courier.

Digital signature

Signed by WinZip Computing. The signature is reported as valid, but signed files can still be bundled or abused.

Observed locations

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

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. 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.

WZSVC.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 2026-05-14 10:00:50 (2 weeks ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.

If WZSVC.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.

Product Name: WinZip Courier
Company Name: WinZip Computing, S.L.
MD5: 363e830509fac046e5daa21c83114322
Size: 44 KB
First Published: 2026-02-27 23:00:37 (3 months ago)
Latest Published: 2026-05-14 10:00:50 (2 weeks ago)
Status: Trojan.Packed (on last analysis)
Analysis Date: 2026-05-14 10:00:50 (2 weeks ago)
WZSVC.DLL 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.

Signed By: WinZip Computing
Status: Valid

The signature on WZSVC.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.

%sysdrive%\checking\to be checked by me\ian files\windows.old\users\ian & cina\appdata\local\assembly\dl3\gtpdboac.l7q\8p7vxoak.k2o\bb7fda9e
%localappdata%\assembly\dl3\m1ky5xk6.5w5\0olnge3k.9mo\97b790a0

ThreatInfo has observed WZSVC.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.

Windows 10 50.0%
Windows 7 50.0%

The most common operating system signal for WZSVC.DLL is Windows 10 with 50.0% 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.

WZSVC.DLL 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.

Format pe
Architecture 32-bit
Subsystem Windows CUI
Entry point 0x0000afee
Image base 0x00400000

.NET Info:

MVID: f76db4e9-f2fe-4795-ad0c-7ada48ab8d58

PE Sections:

Sections 3
Raw data 38912

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 36864 bytes · 94.7% of section data
MD5 56f6f962c4f4802022ef6b6dac687a91
.rsrc 1536 bytes · 3.9% of section data
MD5 893cc39bd0bdd494b81bdae32b7c13fe
.reloc 512 bytes · 1.3% of section data
MD5 2835b85b43b7d08ef9986722bdf60c89

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 WZSVC.DLL by MD5 363e830509fac046e5daa21c83114322. 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.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 363e830509fac046e5daa21c83114322.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the Trojan category to compare similar reports.