GridinSoft Threat Intelligence

chrmstp.exe file report

Under review File reputation report
MD5 f7313cbf1f72ab58b07cb5631b48223a
Latest seen 2021-10-19 20:47:50 (4 years ago)
First seen 2017-05-26 08:02:17 (9 years ago)
Size 910 KB
Publisher UCWeb Inc.
Product UC Browser
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 2017-05-26 08:02:17 (9 years ago); latest analysis 2021-10-19 20:47:50 (4 years ago).

Publisher context

Company metadata: UCWeb Inc.. Product metadata: UC Browser.

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

chrmstp.exe is a Windows file recorded in the ThreatInfo database. It is associated with UC Browser. The reported company name is UCWeb Inc.. The current detection status is Undefined, based on the latest analysis from 2021-10-19 20:47:50 (4 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 Browser
Company Name: UCWeb Inc.
MD5: f7313cbf1f72ab58b07cb5631b48223a
Size: 910 KB
First Published: 2017-05-26 08:02:17 (9 years ago)
Latest Published: 2021-10-19 20:47:50 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-10-19 20:47:50 (4 years ago)

Overview

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

The signature on chrmstp.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:

%programfiles%\ucbrowser\application\5.0.1104.0\installer
%programfiles%\ucbrowser\application\5.0.1104.0

ThreatInfo has observed chrmstp.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 names
setup.exe chrmstp.exe

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 chrmstp.exe across 6 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country India
Share 26.7%
Low High activity

The strongest geographic signal for this file is India with 26.7% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 40.0%
Windows 7 33.3%
Windows XP 13.3%
Windows 8.1 13.3%

The most common operating system signal for chrmstp.exe is Windows 10 with 40.0% 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

chrmstp.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.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x00071ccd
Image base 0x00400000

PE Sections:

Sections 6
Raw data 925184

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

.text 582144 bytes · 62.9% of section data
MD5 78441bab9df43291fd642c207dc025a0
.rdata 91136 bytes · 9.9% of section data
MD5 d3e597d2b373ee1b981b40761cd888aa
.data 7680 bytes · 0.8% of section data
MD5 581baebbf8ff978b730cc6e2057f9a7c
.tls 512 bytes · 0.1% of section data
MD5 bf619eac0cdf3f68d496ea9344137e8b
.rsrc 223232 bytes · 24.1% of section data
MD5 b60936d6f6c7dc1cd47895c97dca61af
.reloc 20480 bytes · 2.2% of section data
MD5 54175698a1c121d5df25f108f010760c

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 f7313cbf1f72ab58b07cb5631b48223a.
  • 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.