RtsUer.sys file report

• » File
• File Details
• Overview
• Analysis

Analyst brief

What this report says

ThreatInfo currently records RtsUer.sys as Clean. Treat the hash, publisher, signature, and observed locations below as the primary identity markers for comparison with the file on your system.

This page combines the detection verdict with file identity, publisher metadata, alternate names, observed paths, geography, OS signals, and PE details so the report reads as a triage record rather than a standalone download page.

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2026-02-25 23:00:33 (3 months ago); latest analysis 2026-02-25 23:00:33 (3 months ago).

Publisher context

Company metadata: Realsil Semiconductor Corporation. Product metadata: Windows (R) Win 7 DDK driver.

Digital signature

Signed by Realtek Semiconductor Corp.. ThreatInfo marks this publisher as trusted for this record.

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. Confirm the hash and publisher match the expected software.
2. Review the observed locations and signature information below.
3. Rescan if the file was downloaded from an unknown source or appears in an unusual path.

RtsUer.sys is a Windows file recorded in the ThreatInfo database. It is associated with Windows (R) Win 7 DDK driver. The reported company name is Realsil Semiconductor Corporation. The current detection status is Clean, based on the latest analysis from 2026-02-25 23:00:33 (3 months ago).

This record is currently marked as clean, but file reputation can depend on the exact path, hash, and source. Compare the MD5 and publisher data below with the file on your system.

File Details

Overview

ThreatInfo marks this publisher as trusted for this record, but the file hash and source should still match the expected software distribution.

ThreatInfo has observed RtsUer.sys 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.

The strongest geographic signal for this file is United States with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

The most common operating system signal for RtsUer.sys 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.

Analysis

RtsUer.sys is identified as pe for 64 systems. The subsystem is Native. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

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.