chrmstp.exe file report

MD5 a4fb8a6698eaa343a6777141a6cc375f
Latest seen 2026-04-28 23:01:32 (a week ago)
First seen 2025-12-10 23:00:59 (5 months ago)
Size 5 MB
Publisher WORK PRODUCT, INC.
Signed by WORK PRODUCT, INC.

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2025-12-10 23:00:59 (5 months ago); latest analysis 2026-04-28 23:01:32 (a week ago).

Publisher context

Company metadata: WORK PRODUCT, INC.. Product metadata: OneBrowser Installer.

Digital signature

Signed by WORK PRODUCT, INC.. 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.

chrmstp.exe is a Windows file recorded in the ThreatInfo database. It is associated with OneBrowser Installer. The reported company name is WORK PRODUCT, INC.. The current detection status is Undefined, based on the latest analysis from 2026-04-28 23:01:32 (a week 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: OneBrowser Installer
Company Name: WORK PRODUCT, INC.
MD5: a4fb8a6698eaa343a6777141a6cc375f
Size: 5 MB
First Published: 2025-12-10 23:00:59 (5 months ago)
Latest Published: 2026-04-28 23:01:32 (a week ago)
Status: Undefined (on last analysis)
Analysis Date: 2026-04-28 23:01:32 (a week ago)
Signed By: WORK PRODUCT, INC.
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.

%programfiles%\onebrowser\application\137.0.7151.69
%programfiles%\onebrowser\application\137.0.7151.69
%localappdata%\onebrowser\application\137.0.7151.69
%programfiles%\onebrowser\application\137.0.7151.69
%programfiles%\onebrowser\application\137.0.7151.69
%localappdata%\onebrowser\application\137.0.7151.69
%programfiles%\onebrowser\application\137.0.7151.69
%programfiles%\onebrowser\application\137.0.7151.69
%localappdata%\onebrowser\application\137.0.7151.69
%localappdata%\onebrowser\application\137.0.7151.69

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.

24.3%
18.9%
16.2%
5.4%
5.4%
4.1%
2.7%
2.7%
2.7%
2.7%
2.7%
2.7%
2.7%
1.4%
1.4%
1.4%
1.4%
1.4%

The strongest geographic signal for this file is Brazil with 24.3% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 100.0%

The most common operating system signal for chrmstp.exe is Windows 10 with 100.0% 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.

chrmstp.exe is identified as pe for 32 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.

Subsystem: Windows GUI
PE Type: pe
OS Bitness: 32
Image Base: 0x00400000
Entry Address: 0x002d6930

PE Sections:

Name Size of data MD5
.text 3168256 23a919b630b214e522ea5ce360e9ae03
.rdata 2513408 ac13d0eb30b734ef7be922fae4e673dd
.data 17408 f9927b963678c080239a2e3bc0ea1830
.fptable 512 bf619eac0cdf3f68d496ea9344137e8b
.rodata 512 0ad98421280ce5789a80b506c4cbfc33
.tls 512 409b5bb371abfcedd266649c744f6c85
CPADinfo 512 842689af09e7bf563672a4b43f1a2286
malloc_h 512 d440b114ff5d5a6be47440e007b3c686
.rsrc 350720 afc8de5199c6f13cb08e8a306aebd1f1
.reloc 86016 299c176baf9f02e71190bdc86455cc17

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.

More information: