GridinSoft Threat Intelligence

Security:ucdrv-x86.sys file report

Under review File reputation report
MD5 5f17b1d72a6e720594bd7acf9f2fd090
Latest seen 2023-01-04 23:19:46 (3 years ago)
First seen 2017-05-22 07:06:12 (8 years ago)
Size 41 KB
Publisher UC Web Inc.
Product UCBrowser
Signed by TAOBAO (CHINA) SOFTWARE CO.,LTD.

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-22 07:06:12 (8 years ago); latest analysis 2023-01-04 23:19:46 (3 years ago).

Publisher context

Company metadata: UC Web Inc.. Product metadata: UCBrowser.

Digital signature

Signed by TAOBAO (CHINA) SOFTWARE CO.,LTD.. The signature is reported as valid, but signed files can still be bundled or abused.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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.

File context

Security:ucdrv-x86.sys is a Windows file recorded in the ThreatInfo database. It is associated with UCBrowser. The reported company name is UC Web Inc.. The current detection status is Undefined, based on the latest analysis from 2023-01-04 23:19:46 (3 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.

File Details

Product Name: UCBrowser
Company Name: UC Web Inc.
MD5: 5f17b1d72a6e720594bd7acf9f2fd090
Size: 41 KB
First Published: 2017-05-22 07:06:12 (8 years ago)
Latest Published: 2023-01-04 23:19:46 (3 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2023-01-04 23:19:46 (3 years ago)

Overview

Signed By: TAOBAO (CHINA) SOFTWARE CO.,LTD.
Status: Valid

The signature on Security:ucdrv-x86.sys 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:

%windir%\system32
%appdata%\ucchannel\package\chrome-bin\6.1.2107.201\drivers
%appdata%\ucchannel\package\chrome-bin\6.0.1471.914\drivers
%programfiles%\ucbrowser\temp\source5852_2390\chrome-bin\6.0.1471.913\drivers
%programfiles%\ucbrowser\application\6.0.1471.913\drivers
%programfiles%\ucbrowser\application\6.0.1471.914\drivers
%appdata%\ucchannel\package\chrome-bin\6.1.2107.201
%programfiles%\ucbrowser\application.del\6.0.1471.913.del
%programfiles%
%appdata%\ucchannel\package\chrome-bin\6.0.1471.914

ThreatInfo has observed Security:ucdrv-x86.sys 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:

4 observed names
drivers:ucdrv-x86.sys ucdrv-x86.sys ucdrv-x86.sys.del Security:ucdrv-x86.sys

This 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 Security:ucdrv-x86.sys across 14 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Vietnam
Share 31.8%
Low High activity

The strongest geographic signal for this file is Vietnam with 31.8% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 57.4%
Windows 10 25.5%
Windows 8.1 10.6%
Windows 8 6.4%

The most common operating system signal for Security:ucdrv-x86.sys is Windows 7 with 57.4% 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.

Analysis

Security:ucdrv-x86.sys is identified as pe for 32-bit systems. The subsystem is Native. 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 Native
Entry point 0x00008776
Image base 0x00400000

PE Sections:

Sections 7
Raw data 25088

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

.text 15872 bytes · 63.3% of section data
MD5 c82b17f087000d9249d1b48e42cbf7a6
.rdata 2048 bytes · 8.2% of section data
MD5 2d684f9162ec2fe05b1889589d0738b4
.data 512 bytes · 2.0% of section data
MD5 7140a817155d738d84fa06bd96af173e
PAGE 512 bytes · 2.0% of section data
Uncommon name
MD5 685589995af217db2383be465956c73d
INIT 4096 bytes · 16.3% of section data
Uncommon name
MD5 a66db37d1ed2ba0567b2f50b2c743b65
.rsrc 1024 bytes · 4.1% of section data
MD5 2a33519773742a6b48c9cc0ffdf18291
.reloc 1024 bytes · 4.1% of section data
MD5 ea914fcce4a06af8f45d25b4cbf5c823

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 5f17b1d72a6e720594bd7acf9f2fd090.
  • 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.