GridinSoft Threat Intelligence
installer.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
- 2023-04-24 23:05:06 (3 years ago)
- File hash
- da4bb4fe96c4b9c041f970e714bd2a7d
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Adware.Downloader, part of the Adware threat category.
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.
First seen 2018-08-17 19:05:39 (7 years ago); latest analysis 2023-04-24 23:05:06 (3 years ago).
Product metadata: B1 Free Archiver Installer.
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. Review the Adware category for related samples and common context.
File context
installer.exe is a Windows file recorded in the ThreatInfo database. It is associated with B1 Free Archiver Installer. The current detection status is Adware.Downloader, based on the latest analysis from 2023-04-24 23:05:06 (3 years ago). ThreatInfo groups this verdict with Adware reports for broader family-level investigation.
If installer.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: | B1 Free Archiver Installer |
| MD5: | da4bb4fe96c4b9c041f970e714bd2a7d |
| Size: | 527 KB |
| First Published: | 2018-08-17 19:05:39 (7 years ago) |
| Latest Published: | 2023-04-24 23:05:06 (3 years ago) |
| Status: | Adware.Downloader (on last analysis) | |
| Analysis Date: | 2023-04-24 23:05:06 (3 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 installer.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:
| %profile%\nto\desktop |
| %sysdrive%\programmi |
| %mydoc%\leonard\j\000\11111\drop box |
| %sysdrive%\desktop\junk 13\new folder\$archive of deleted items (bvckup) (2020-02-17, 14-40-19)\$archive (bvckup 2)\old backup\old files 061718 (deleted on 2018-09-20 at 07-09-09)\000 (deleted on 2018-06-19 at 06-29-19)\11111\drop box |
ThreatInfo has observed installer.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:
2 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 installer.exe across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Italy with 50.0% 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 installer.exe is Windows XP with 50.0% 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
installer.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.
f43a15944bc847bbd7cf304782d3ef13
44ed91657400532053385e436987930c
b1047ba66147e757ee040d0152b87839
4f2e96ae38bd657bd065aa2599a621e7
015cb9869522b2e49c3bc7c929a4ef85
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 installer.exe by MD5 da4bb4fe96c4b9c041f970e714bd2a7d. 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.