Qt5Widgets.dll threat report

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Analyst brief

What this report says

GridinSoft Anti-Malware detects Qt5Widgets.dll as PUP.MailRu. The sample was last observed on 2024-10-16 23:01:09 (2 years ago) and reports publisher metadata associated with The Qt Company Ltd / Qt5. This detection belongs to the PUP report group, where related files are organized by family-level behavior and prevalence.

This page combines the detection verdict with file identity, publisher metadata, alternate names, observed paths, geography, OS signals, and PE details so the report reads as a triage record rather than a standalone download page.

GridinSoft Anti-Malware detection

Detected by GridinSoft before you download

The current ThreatInfo record shows this exact file hash detected as PUP.MailRu. 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.MailRu

Recommended action

Scan and remove

Last analysis

2024-10-16 23:01:09 (2 years ago)

File hash

c7cded69f96e149f45de2f6b4bae4e2a

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Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as PUP.MailRu, 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 2018-01-11 13:07:56 (8 years ago); latest analysis 2024-10-16 23:01:09 (2 years ago).

Publisher context

Company metadata: The Qt Company Ltd. Product metadata: Qt5.

Digital signature

Signed by Mail.Ru 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.

Qt5Widgets.dll is a Windows file recorded in the ThreatInfo database. It is associated with Qt5. The reported company name is The Qt Company Ltd. The current detection status is PUP.MailRu, based on the latest analysis from 2024-10-16 23:01:09 (2 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

If Qt5Widgets.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 PUP.MailRu.

File Details

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

The signature on Qt5Widgets.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.

ThreatInfo has observed Qt5Widgets.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 Qt5Widgets.dll across 4 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Russian Federation

Share 61.1%

Low High activity

The strongest geographic signal for this file is Russian Federation with 61.1% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

The most common operating system signal for Qt5Widgets.dll is Windows 10 with 72.2% 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

Qt5Widgets.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 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.MailRu

This report identifies Qt5Widgets.dll by MD5 c7cded69f96e149f45de2f6b4bae4e2a. 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 c7cded69f96e149f45de2f6b4bae4e2a.
• 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.