GridinSoft Threat Intelligence

WinSetup64.exe threat report

Detected as Adware.Downloader File reputation report
MD5 26778fd43c0a6432abac8f3adfec3524
Latest seen 2024-06-16 23:02:11 (2 years ago)
First seen 2017-07-27 12:08:12 (8 years ago)
Size 115 KB
Publisher b1.org

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
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Adware.Downloader, part of the Adware threat category.

Category context

Programs that inject advertising, change browser behavior, or monetize traffic through bundled components. Related Adware reports help compare this file with nearby detections, publishers, and hashes.

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. Review the Adware category for related samples and common context.

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). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.

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.

Product Name: B1 Free Archiver
Company Name: b1.org
MD5: 26778fd43c0a6432abac8f3adfec3524
Size: 115 KB
First Published: 2017-07-27 12:08:12 (8 years ago)
Latest Published: 2024-06-16 23:02:11 (2 years ago)
Status: Adware.Downloader (on last analysis)
Analysis Date: 2024-06-16 23:02:11 (2 years ago)
WinSetup64.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: Catalina Group Limited
Status: Valid

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.

%programfiles%\b1 free archiver
%programfiles%
%sysdrive%\adwcleaner\quarantine\files
%sysdrive%\prg\outil\zip
%sysdrive%\____virus

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.

Windows 10 42.9%
Windows 7 33.3%
Windows 8.1 14.3%
Windows 8 9.5%

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.

WinSetup64.exe is identified as pe for 64-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 64-bit
Subsystem Windows GUI
Entry point 0x0000790c
Image base 0x0000000140000000

PE Sections:

Sections 6
Raw data 114176

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

.text 77312 bytes · 67.7% of section data
MD5 96d176ac22ca842a78aa4d5902d55e97
.rdata 23040 bytes · 20.2% of section data
MD5 5261af0856b94d006630000f001d99cb
.data 5632 bytes · 4.9% of section data
MD5 54992b0567838a213b3ceb15493c3e1b
.pdata 5120 bytes · 4.5% of section data
MD5 0a3c12227d3a97a559ea9e2b645fe58f
.rsrc 1536 bytes · 1.3% of section data
MD5 71f5fd620598912909b1d2e7674b0831
.reloc 1536 bytes · 1.3% of section data
MD5 8666c8b6d978946c86d80ad58c5db4c4

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 Adware.Downloader

This report identifies WinSetup64.exe by MD5 26778fd43c0a6432abac8f3adfec3524. It is part of the Adware 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 26778fd43c0a6432abac8f3adfec3524.
  • 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 Adware category to compare similar reports.