GridinSoft Threat Intelligence

UserCenterCore.exe file report

Under review File reputation report
MD5 6c4b3a212bcd7b906bd2eb20e31c1d1e
Latest seen 2026-04-03 23:00:21 (2 months ago)
First seen 2026-03-20 23:00:43 (2 months ago)
Size 878 KB

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Category context

Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2026-03-20 23:00:43 (2 months ago); latest analysis 2026-04-03 23:00:21 (2 months ago).

Digital signature

Signed by OSTOTO CO., LIMITED. 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.

UserCenterCore.exe is a Windows file recorded in the ThreatInfo database. The current detection status is Undefined, based on the latest analysis from 2026-04-03 23:00:21 (2 months ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

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.

MD5: 6c4b3a212bcd7b906bd2eb20e31c1d1e
Size: 878 KB
First Published: 2026-03-20 23:00:43 (2 months ago)
Latest Published: 2026-04-03 23:00:21 (2 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2026-04-03 23:00:21 (2 months ago)
Signed By: OSTOTO CO., LIMITED
Status: Valid

The signature on UserCenterCore.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%\ostoto

ThreatInfo has observed UserCenterCore.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.

Windows 10 100.0%

The most common operating system signal for UserCenterCore.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.

UserCenterCore.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 0x000767a2
Image base 0x00400000

PE Sections:

Sections 7
Raw data 887808

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

.text 665600 bytes · 75.0% of section data
MD5 c0d04a0927b7211336bc4dfa114c94ff
.rdata 136192 bytes · 15.3% of section data
MD5 07567003c6929e8eac0bea3ff8af3f54
.data 10752 bytes · 1.2% of section data
MD5 672f97066103e570838f9f6773d15e46
.fptable 512 bytes · 0.1% of section data
Uncommon name
MD5 bf619eac0cdf3f68d496ea9344137e8b
_RDATA 512 bytes · 0.1% of section data
Uncommon name
MD5 fc2f14d81e335ad78fd3a2189af093b9
.rsrc 38400 bytes · 4.3% of section data
MD5 20052bff47a377780654181ba0fa0cad
.reloc 35840 bytes · 4.0% of section data
MD5 244b0c30bae2d1aec7a799aff05d54c9

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 6c4b3a212bcd7b906bd2eb20e31c1d1e.
  • 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. Use the PUP category to compare similar reports.