GridinSoft Threat Intelligence

B1Manager.exe threat report

Detected as Adware.Downloader File reputation report
MD5 3fec706599072dabcacd0ceda96792d1
Latest seen 2024-06-16 23:02:01 (2 years ago)
First seen 2017-06-14 04:03:28 (8 years ago)
Size 23 MB
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 23:02:01 (2 years ago)
File hash
3fec706599072dabcacd0ceda96792d1
Download Anti-Malware

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Adware.Downloader.

Timeline

First seen 2017-06-14 04:03:28 (8 years ago); latest analysis 2024-06-16 23:02:01 (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.

B1Manager.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 23:02:01 (2 years ago).

If B1Manager.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: 3fec706599072dabcacd0ceda96792d1
Size: 23 MB
First Published: 2017-06-14 04:03:28 (8 years ago)
Latest Published: 2024-06-16 23:02:01 (2 years ago)
Status: Adware.Downloader (on last analysis)
Analysis Date: 2024-06-16 23:02:01 (2 years ago)
B1Manager.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 B1Manager.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%\arquivos de programas
%sysdrive%\adwcleaner\quarantine\files
%sysdrive%\prg\outil\zip
%sysdrive%\____virus

ThreatInfo has observed B1Manager.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 7 41.4%
Windows 10 37.9%
Windows 8.1 13.8%
Windows 8 6.9%

The most common operating system signal for B1Manager.exe is Windows 7 with 41.4% 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.

B1Manager.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 0x00212fb1
Image base 0x00400000

PE Sections:

Sections 5
Raw data 24228864

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

.text 6024704 bytes · 24.9% of section data
Large raw data
MD5 86efc7609c910f1d39462fb9dfec40fc
.rdata 16175616 bytes · 66.8% of section data
Large raw data
MD5 bfb70a4161affbdb865911e5b0179bc3
.data 91136 bytes · 0.4% of section data
MD5 d690d8d109f8c564808bece60ff61cef
.rsrc 1648640 bytes · 6.8% of section data
MD5 ae91bb0e4cf7d1387c2d5a2ef338261c
.reloc 288768 bytes · 1.2% of section data
MD5 cc2bbba3e2b5cd2606476273b92eba98

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 B1Manager.exe by MD5 3fec706599072dabcacd0ceda96792d1. 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 3fec706599072dabcacd0ceda96792d1.
  • 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.