WinSetup64.exe threat report

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• Overview
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Analyst brief

What this report says

GridinSoft Anti-Malware detects WinSetup64.exe as Adware.Downloader. The sample was last observed on 2024-06-16 23:02:11 (2 years ago) and reports publisher metadata associated with b1.org / B1 Free Archiver.

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 Adware.Downloader. 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

Adware.Downloader

Recommended action

Scan and remove

Last analysis

2024-06-16 23:02:11 (2 years ago)

File hash

26778fd43c0a6432abac8f3adfec3524

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Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Adware.Downloader.

Timeline

First seen 2017-07-27 12:08:12 (8 years ago); latest analysis 2024-06-16 23:02:11 (2 years ago).

Publisher context

Company metadata: b1.org. Product metadata: B1 Free Archiver.

Digital signature

Signed by Catalina Group Limited. 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.

WinSetup64.exe is a Windows file recorded in the ThreatInfo database. It is associated with B1 Free Archiver. The reported company name is b1.org. The current detection status is Adware.Downloader, based on the latest analysis from 2024-06-16 23:02:11 (2 years ago).

If WinSetup64.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 Adware.Downloader.

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 WinSetup64.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.

ThreatInfo has observed WinSetup64.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.

The strongest geographic signal for this file is Brazil with 30.0% 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 WinSetup64.exe is Windows 10 with 42.9% 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

WinSetup64.exe is identified as pe for 64 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.