GridinSoft Threat Intelligence

WzPreviewer32.exe threat report

Detected as Trojan.Packed File reputation report
MD5 51a980e3b86fcd574cb9b6342424d4b1
Latest seen 2025-04-18 23:01:45 (a year ago)
First seen 2023-09-03 23:15:42 (2 years ago)
Size 737 KB
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
2025-04-18 23:01:45 (a year ago)
File hash
51a980e3b86fcd574cb9b6342424d4b1
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 2023-09-03 23:15:42 (2 years ago); latest analysis 2025-04-18 23:01:45 (a year ago).

Publisher context

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

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.

WzPreviewer32.exe is a Windows file recorded in the ThreatInfo database. It is associated with WinZip Previewer. The reported company name is WinZip Computing, S.L.. The current detection status is Trojan.Packed, based on the latest analysis from 2025-04-18 23:01:45 (a year ago). ThreatInfo groups this verdict with Trojan reports for broader family-level investigation.

If WzPreviewer32.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.Packed.

Product Name: WinZip Previewer
Company Name: WinZip Computing, S.L.
MD5: 51a980e3b86fcd574cb9b6342424d4b1
Size: 737 KB
First Published: 2023-09-03 23:15:42 (2 years ago)
Latest Published: 2025-04-18 23:01:45 (a year ago)
Status: Trojan.Packed (on last analysis)
Analysis Date: 2025-04-18 23:01:45 (a year ago)
WzPreviewer32.exe 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 WzPreviewer32.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.

%programfiles%

ThreatInfo has observed WzPreviewer32.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.

Windows 10 100.0%

The most common operating system signal for WzPreviewer32.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.

WzPreviewer32.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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x000313ce
Image base 0x00400000

PE Sections:

Sections 5
Raw data 749056

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

.text 302080 bytes · 40.3% of section data
MD5 c3bc4b8870e5a26614b7a0fce30a4d7b
.rdata 57344 bytes · 7.7% of section data
MD5 dc296efa39f3dd1ff474b6c9c19408f9
.data 10752 bytes · 1.4% of section data
MD5 9096d17d86aeeb82380550482afb87dd
.rsrc 349184 bytes · 46.6% of section data
MD5 9cb39516ad5c99a0f6806813e076899e
.reloc 29696 bytes · 4.0% of section data
MD5 4691a2ffc37fd50583c6f8a651a04357

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 WzPreviewer32.exe by MD5 51a980e3b86fcd574cb9b6342424d4b1. 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 51a980e3b86fcd574cb9b6342424d4b1.
  • 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.