DTInstUI.dll file report

MD5 b994463d0bba9de18e9bd54d97bd72c7
Latest seen 2022-08-30 23:20:32 (3 years ago)
First seen 2018-09-07 03:10:27 (7 years ago)
Size 1 MB
Signed by OSTOTO CO. LIMITED

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2018-09-07 03:10:27 (7 years ago); latest analysis 2022-08-30 23:20:32 (3 years ago).

Publisher context

Product metadata: DTInstUI 动态链接库.

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.

DTInstUI.dll is a Windows file recorded in the ThreatInfo database. It is associated with DTInstUI 动态链接库. The current detection status is Undefined, based on the latest analysis from 2022-08-30 23:20:32 (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.

Product Name: DTInstUI 动态链接库
MD5: b994463d0bba9de18e9bd54d97bd72c7
Size: 1 MB
First Published: 2018-09-07 03:10:27 (7 years ago)
Latest Published: 2022-08-30 23:20:32 (3 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2022-08-30 23:20:32 (3 years ago)
Signed By: OSTOTO CO. LIMITED
Status: Valid

The signature on DTInstUI.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.

%programfiles%\ostotosoft
%temp%
%programfiles%\ostotosoft
%appdata%\zhp\quarantine\zhpcleaner\ostotosoft\ostotosoft
%temp%
%temp%
%temp%
%temp%
%programfiles%\ostotosoft
%programfiles%\ostotosoft

ThreatInfo has observed DTInstUI.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.

11.8%
11.8%
8.8%
8.8%
8.8%
5.9%
5.9%
5.9%
5.9%
5.9%
2.9%
2.9%
2.9%
2.9%
2.9%
2.9%
2.9%

The strongest geographic signal for this file is India with 11.8% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 48.6%
Windows 7 31.4%
Windows 8.1 17.1%
Windows Vista 2.9%

The most common operating system signal for DTInstUI.dll is Windows 10 with 48.6% 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.

DTInstUI.dll 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: 0x10000000
Entry Address: 0x000673ce

PE Sections:

Name Size of data MD5
.text 503808 2cac48228b89c149857b5b8ad3fa662c
.rdata 202752 2cea09558b1b88ae7aa4ccdbe0d57d9a
.data 14848 69a67736f0864dc4d71415e6ef659fde
.rsrc 665600 0843cef9b3a709e2977d9bace01d70b0
.reloc 36352 580efc16ad1e9013eb2ce2ee04431028

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: