GridinSoft Threat Intelligence

RtsPer.sys file report

Under review File reputation report
MD5 ccc77c9f4ea95a4d37dff42910c90ff7
Latest seen 2023-08-15 23:41:38 (2 years ago)
First seen 2021-09-29 20:35:20 (4 years ago)
Size 743 KB
Publisher Realsil Semiconductor Corporation
Product Windows (R) Win 7 DDK driver
Signed by Realtek Semiconductor Corp;Microsoft Windows Hardware Compatibility Publisher

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2021-09-29 20:35:20 (4 years ago); latest analysis 2023-08-15 23:41:38 (2 years ago).

Publisher context

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

Digital signature

Signed by Realtek Semiconductor Corp;Microsoft Windows Hardware Compatibility Publisher. 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.

File context

RtsPer.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 Undefined, based on the latest analysis from 2023-08-15 23:41:38 (2 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: Windows (R) Win 7 DDK driver
Company Name: Realsil Semiconductor Corporation
MD5: ccc77c9f4ea95a4d37dff42910c90ff7
Size: 743 KB
First Published: 2021-09-29 20:35:20 (4 years ago)
Latest Published: 2023-08-15 23:41:38 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2023-08-15 23:41:38 (2 years ago)

Overview

Signed By: Realtek Semiconductor Corp;Microsoft Windows Hardware Compatibility Publisher
Status: Valid

The signature on RtsPer.sys 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:

%localappdata%\slimware utilities inc\slimdrivers\backups\20170116t020338479990\pci
%localappdata%\slimware utilities inc\slimdrivers\backups\20190729t173914576816\pci
%localappdata%\slimware utilities inc\slimdrivers\backups\20190729t180440256544\pci

ThreatInfo has observed RtsPer.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.

Geographic signal

Observed country distribution

ThreatInfo has seen RtsPer.sys across 2 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Austria
Share 66.7%
Low High activity

The strongest geographic signal for this file is Austria with 66.7% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 100.0%

The most common operating system signal for RtsPer.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

RtsPer.sys is identified as pe for 64-bit 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.

Format pe
Architecture 64-bit
Subsystem Native
Entry point 0x000ba000
Image base 0x0000000140000000

PE Sections:

Sections 8
Raw data 743936

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

.text 703488 bytes · 94.6% of section data
MD5 058fceb0c23c3fc0231cd08041d63f78
.rdata 17920 bytes · 2.4% of section data
MD5 2da94d88d9f6a5bde384e541814c2f61
.data 3584 bytes · 0.5% of section data
MD5 327c272bc9a35486717fafa9db1cce22
.pdata 11776 bytes · 1.6% of section data
MD5 e91e3197e40eff2f6eaf35a43de88c6d
PAGE 1024 bytes · 0.1% of section data
Uncommon name
MD5 a55448a145204feb3a2c419b288b0146
INIT 3584 bytes · 0.5% of section data
Uncommon name
MD5 1536a0b169dc29e03ae9a5eeea865030
.rsrc 1536 bytes · 0.2% of section data
MD5 a2f6886313a3c1d21c67344743da0ca7
.reloc 1024 bytes · 0.1% of section data
MD5 920317b5a22f25eb03695de66ce672a2

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 ccc77c9f4ea95a4d37dff42910c90ff7.
  • 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.