GridinSoft Threat Intelligence

chrome_watcher.dll file report

Under review File reputation report
MD5 fe3b2ded76ad7d20789a23110c48662c
Latest seen 2023-01-04 23:22:54 (3 years ago)
First seen 2017-05-29 13:09:21 (8 years ago)
Size 408 KB
Publisher UCWeb Inc.
Product UC浏览器
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 2017-05-29 13:09:21 (8 years ago); latest analysis 2023-01-04 23:22:54 (3 years ago).

Publisher context

Company metadata: UCWeb Inc.. Product metadata: UC浏览器.

Digital signature

Signed by TAOBAO (CHINA) SOFTWARE CO.,LTD.. 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.

File context

chrome_watcher.dll is a Windows file recorded in the ThreatInfo database. It is associated with UC浏览器. The reported company name is UCWeb Inc.. The current detection status is Undefined, based on the latest analysis from 2023-01-04 23:22:54 (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: UC浏览器
Company Name: UCWeb Inc.
MD5: fe3b2ded76ad7d20789a23110c48662c
Size: 408 KB
First Published: 2017-05-29 13:09:21 (8 years ago)
Latest Published: 2023-01-04 23:22:54 (3 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2023-01-04 23:22:54 (3 years ago)

Overview

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

The signature on chrome_watcher.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.

Common Places:

%appdata%\ucchannel\package\chrome-bin\6.0.1471.914
%programfiles%\ucbrowser\application\6.0.1471.914
%appdata%\ucchannel\package\chrome-bin
%programfiles%\ucbrowser\application

ThreatInfo has observed chrome_watcher.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.

Geographic signal

Observed country distribution

ThreatInfo has seen chrome_watcher.dll across 9 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Vietnam
Share 41.7%
Low High activity

The strongest geographic signal for this file is Vietnam with 41.7% 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 37.5%
Windows 10 33.3%
Windows 8.1 16.7%
Windows 8 12.5%

The most common operating system signal for chrome_watcher.dll is Windows 7 with 37.5% 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

chrome_watcher.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 0x00036b49
Image base 0x10000000

PE Sections:

Sections 7
Raw data 406528

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

.text 328192 bytes · 80.7% of section data
MD5 3c9b85109e9b3af00b83f87afd7b4766
.rdata 56832 bytes · 14.0% of section data
MD5 1f65c8113efd2be38c0a03845403442b
.data 4096 bytes · 1.0% of section data
MD5 705215892b75a1c79d69fdc94e9c1a56
.gfids 1024 bytes · 0.3% of section data
Uncommon name
MD5 d5b58407c8d1fbd69b89743d9cc7ad34
.tls 512 bytes · 0.1% of section data
MD5 bf619eac0cdf3f68d496ea9344137e8b
.rsrc 2048 bytes · 0.5% of section data
MD5 0706f347dfe5808f464d0f65a458d343
.reloc 13824 bytes · 3.4% of section data
MD5 c4fb92c5253514b9141ad58a7a3c1990

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 fe3b2ded76ad7d20789a23110c48662c.
  • 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.