GridinSoft Threat Intelligence
B1FreeArchiver_1.5.86.exe threat report
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
- 2021-05-15 20:36:08 (5 years ago)
- File hash
- 3e4248ce9e28f4d7f95c04138df495b5
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.Downloader.
First seen 2017-05-21 08:10:08 (9 years ago); latest analysis 2021-05-15 20:36:08 (5 years ago).
Company metadata: http://b1.org/. Product metadata: Installer B1 Free Archiver.
Signed by Catalina Group Limited. The signature is reported as valid, but signed files can still be bundled or abused.
This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.
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
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present.
File context
B1FreeArchiver_1.5.86.exe is a Windows file recorded in the ThreatInfo database. It is associated with Installer B1 Free Archiver. The reported company name is http://b1.org/. The current detection status is Adware.Downloader, based on the latest analysis from 2021-05-15 20:36:08 (5 years ago).
If B1FreeArchiver_1.5.86.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
| Product Name: | Installer B1 Free Archiver |
| Company Name: | http://b1.org/ |
| MD5: | 3e4248ce9e28f4d7f95c04138df495b5 |
| Size: | 44 MB |
| First Published: | 2017-05-21 08:10:08 (9 years ago) |
| Latest Published: | 2021-05-15 20:36:08 (5 years ago) |
| Status: | Adware.Downloader (on last analysis) | |
| Analysis Date: | 2021-05-15 20:36:08 (5 years ago) |
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.
Overview
| Signed By: | Catalina Group Limited |
| Status: | Valid |
The signature on B1FreeArchiver_1.5.86.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.
Common Places:
| %programfiles%\b1 free archiver |
| %localappdata%\temp |
| %profile%\downloads |
| %programfiles% |
| %sysdrive%\khu ung dung cho pc |
| %sysdrive%\pc |
| %temp% |
| %sysdrive% |
| %profile% |
| %desktop% |
ThreatInfo has observed B1FreeArchiver_1.5.86.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.
File Names:
5 observed namesThis hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.
Geographic signal
Observed country distribution
ThreatInfo has seen B1FreeArchiver_1.5.86.exe across 11 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Vietnam with 37.5% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
The most common operating system signal for B1FreeArchiver_1.5.86.exe is Windows 10 with 45.7% 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
B1FreeArchiver_1.5.86.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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
20c580598d3956a8e880a6d6bde14bcc
3148e463ce3338b1b5309708d7faa64d
82e2b0ebe97cec22d47f86fd9e6dd9de
e3bef01b68954a31cc0f651612bffd90
63935a61bc437a8b0bc0912d362717e5
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 B1FreeArchiver_1.5.86.exe by MD5 3e4248ce9e28f4d7f95c04138df495b5. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.