GridinSoft Threat Intelligence

wzdu18.exe threat report

Detected as PUP.Systweak File reputation report
MD5 55a0867e691d550d944b5fbad27ecd56
Latest seen 2025-02-17 23:00:50 (a year ago)
First seen 2025-02-17 23:00:50 (a year ago)
Size 3 MB

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.Systweak. 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
PUP.Systweak
Recommended action
Scan and remove
Last analysis
2025-02-17 23:00:50 (a year ago)
File hash
55a0867e691d550d944b5fbad27ecd56
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.Systweak, part of the PUP threat category.

Category context

Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2025-02-17 23:00:50 (a year ago); latest analysis 2025-02-17 23:00:50 (a year ago).

Publisher context

Company metadata: WinZip Computing, S.L. (WinZip Computing) . Product metadata: WinZip Driver Updater .

Digital signature

Signed by WinZip Computing LLC. 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 PUP category for related samples and common context.

wzdu18.exe is a Windows file recorded in the ThreatInfo database. It is associated with WinZip Driver Updater . The reported company name is WinZip Computing, S.L. (WinZip Computing) . The current detection status is PUP.Systweak, based on the latest analysis from 2025-02-17 23:00:50 (a year ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

If wzdu18.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 PUP.Systweak.

Product Name: WinZip Driver Updater
Company Name: WinZip Computing, S.L. (WinZip Computing)
MD5: 55a0867e691d550d944b5fbad27ecd56
Size: 3 MB
First Published: 2025-02-17 23:00:50 (a year ago)
Latest Published: 2025-02-17 23:00:50 (a year ago)
Status: PUP.Systweak (on last analysis)
Analysis Date: 2025-02-17 23:00:50 (a year ago)
wzdu18.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 LLC
Status: Valid

The signature on wzdu18.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.

%profile%\downloads

ThreatInfo has observed wzdu18.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 wzdu18.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.

wzdu18.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 0x00016478
Image base 0x00400000

PE Sections:

Sections 8
Raw data 167424

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

.text 82944 bytes · 49.5% of section data
MD5 c9bb3afc1ceaaa31127ccfa204c657ef
.itext 3072 bytes · 1.8% of section data
Uncommon name
MD5 1ba5adf2e1058c0460dcc814ba86fb32
.data 3584 bytes · 2.1% of section data
MD5 d5b22eff9e08edaa95f493c1a71158c0
.bss 0 bytes · 0.0% of section data
MD5 d41d8cd98f00b204e9800998ecf8427e
.idata 4096 bytes · 2.4% of section data
MD5 b47eaca4c149ee829de76a342b5560d5
.tls 0 bytes · 0.0% of section data
MD5 d41d8cd98f00b204e9800998ecf8427e
.rdata 512 bytes · 0.3% of section data
MD5 3746f5876803f8f30db5bb2deb8772ae
.rsrc 73216 bytes · 43.7% of section data
MD5 d77b62a6ae1b1acdc1f6b92fae9aea68

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 PUP.Systweak

This report identifies wzdu18.exe by MD5 55a0867e691d550d944b5fbad27ecd56. It is part of the PUP 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 55a0867e691d550d944b5fbad27ecd56.
  • 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 PUP category to compare similar reports.