GridinSoft Threat Intelligence

BCUSDK.dll file report

Under review File reputation report
MD5 751e7a65df6c425b7995a0d248f11d79
Latest seen 2023-07-04 23:09:07 (2 years ago)
First seen 2020-08-01 14:44:44 (5 years ago)
Size 709 KB

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2020-08-01 14:44:44 (5 years ago); latest analysis 2023-07-04 23:09:07 (2 years ago).

Publisher context

Product metadata: avast! Browser Cleanup.

Digital signature

Signed by Lavasoft Software Canada;Lavasoft 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. Use the hash and metadata below to verify the exact file identity.
  2. Review publisher, signature, paths, and PE details for inconsistencies.
  3. Run a local scan if the file appears unexpectedly or starts with Windows.

BCUSDK.dll is a Windows file recorded in the ThreatInfo database. It is associated with avast! Browser Cleanup. The current detection status is Undefined, based on the latest analysis from 2023-07-04 23:09:07 (2 years ago).

ThreatInfo does not have a final classification for this file yet. Use the technical details below to compare the hash, size, signature, and observed locations with the copy found on your device.

Product Name: avast! Browser Cleanup
MD5: 751e7a65df6c425b7995a0d248f11d79
Size: 709 KB
First Published: 2020-08-01 14:44:44 (5 years ago)
Latest Published: 2023-07-04 23:09:07 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2023-07-04 23:09:07 (2 years ago)

The signature on BCUSDK.dll 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%\lavasoft\web companion

ThreatInfo has observed BCUSDK.dll 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.

50.0%
8.3%
8.3%
8.3%
8.3%
8.3%
8.3%

The strongest geographic signal for this file is Indonesia with 50.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 75.0%
Windows 7 16.7%
Windows 8.1 8.3%

The most common operating system signal for BCUSDK.dll is Windows 10 with 75.0% 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.

BCUSDK.dll 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 0x0003bb60
Image base 0x10000000

PE Sections:

Sections 5
Raw data 713728

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

.text 477696 bytes · 66.9% of section data
MD5 0e385e7ef38fbed9526b8a368e22abae
.rdata 122368 bytes · 17.1% of section data
MD5 804dc66425434458093f9ad3a45d0101
.data 38912 bytes · 5.5% of section data
MD5 523327a9ff12c9cfc231f9e0a46aedb5
.rsrc 1536 bytes · 0.2% of section data
MD5 fab336ab8e8c9b66d917f6e83a1d67aa
.reloc 73216 bytes · 10.3% of section data
MD5 90db4dd718c1a8ba84e8253f11a807fe

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

This file is still under review

ThreatInfo has not assigned a final verdict yet. Compare the file hash, location, signature, and publisher before trusting the file on a production system.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 751e7a65df6c425b7995a0d248f11d79.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.