GridinSoft Threat Intelligence

ucdrv-x64.sys.del file report

Under review File reputation report
MD5 8298378b5ea5056c1b06f8362c6b459b
Latest seen 2025-03-16 23:03:27 (a year ago)
First seen 2017-05-21 03:01:55 (8 years ago)
Size 49 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 2017-05-21 03:01:55 (8 years ago); latest analysis 2025-03-16 23:03:27 (a year 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

ucdrv-x64.sys.del 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 2025-03-16 23:03:27 (a year 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: 8298378b5ea5056c1b06f8362c6b459b
Size: 49 KB
First Published: 2017-05-21 03:01:55 (8 years ago)
Latest Published: 2025-03-16 23:03:27 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-03-16 23:03:27 (a year ago)

Overview

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

The signature on ucdrv-x64.sys.del 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%\ucbrowser
%appdata%\ucchannel\package\chrome-bin\6.1.2107.204\drivers
%programfiles%\ucbrowser\application\6.1.2716.5\drivers
%programfiles%\ucbrowser\application\6.1.2107.204\drivers
%programfiles%\ucbrowser\security
%windir%\system32
%programfiles%\ucbrowser\temp\source11100_27050\chrome-bin\6.1.2107.204\drivers
%profile%\dministrator\application data\ucchannel\package\chrome-bin\6.1.2107.204\drivers
%programfiles%\ucbrowser\temp\source5676_15053\chrome-bin\6.1.2107.204\drivers
%programfiles%\ucbrowser\temp\source3324_10984\chrome-bin\6.1.2107.204\drivers

ThreatInfo has observed ucdrv-x64.sys.del 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
Security:ucdrv-x64.sys ucdrv-x64.sys drivers:ucdrv-x64.sys ucdrv-x64.sys.del

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.

Geography:

69 observed countries
18.3%
15.0%
10.9%
7.1%
6.8%
5.0%
4.9%
2.2%
1.5%
1.5%
1.4%
1.4%
1.2%
1.1%
1.1%
1.0%
1.0%
0.9%
0.8%
0.8%
0.7%
0.7%
0.7%
0.7%
0.7%
0.6%
0.6%
0.6%
0.6%
0.5%
0.5%
0.5%
0.5%
0.4%
0.4%
0.3%
0.3%
0.3%
0.3%
0.3%
0.3%
0.3%
0.3%
0.3%
0.3%
0.3%
0.3%
0.3%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%

The strongest geographic signal for this file is Vietnam with 18.3% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 46.6%
Windows 7 44.1%
Windows 8.1 8.1%
Windows 8 0.9%
Windows XP 0.3%
Windows Vista 0.1%

The most common operating system signal for ucdrv-x64.sys.del is Windows 10 with 46.6% 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

ucdrv-x64.sys.del is identified as pe for 64-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 64-bit
Subsystem Native
Entry point 0x0000b8ec
Image base 0x0000000140000000

PE Sections:

Sections 9
Raw data 33792

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

.text 20480 bytes · 60.6% of section data
MD5 d13bbb70fdfc81dc9e9deb316d25b799
.rdata 3584 bytes · 10.6% of section data
MD5 c7a86d0d2f89bc0af4898bee905c3418
.data 512 bytes · 1.5% of section data
MD5 46f975e828465f485a987cb8f57a197a
.pdata 1536 bytes · 4.5% of section data
MD5 57ae9e124b76fd91aeb9aee7cee1cba4
.gfids 512 bytes · 1.5% of section data
Uncommon name
MD5 64d1f04ee674327483852f238bb2c4a5
PAGE 1024 bytes · 3.0% of section data
Uncommon name
MD5 f943b85862e85edc41ee7ba4a9697941
INIT 4608 bytes · 13.6% of section data
Uncommon name
MD5 38fa753855812e0936122f452be4ea2c
.rsrc 1024 bytes · 3.0% of section data
MD5 426c6eda48be7ed8fc73dbe342881263
.reloc 512 bytes · 1.5% of section data
MD5 cd8dc053129bc3a40263d59872ec9b22

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 8298378b5ea5056c1b06f8362c6b459b.
  • 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.