GridinSoft Threat Intelligence

rt640x86.sys file report

Under review File reputation report
MD5 3c53d3e8fff3d380141dfe4bd6d913f2
Latest seen 2021-01-14 16:24:56 (5 years ago)
First seen 2020-12-20 03:15:24 (5 years ago)
Size 566 KB
Publisher Realtek
Product Realtek 8125/8136/8168/8169 PCI/PCIe Adapters
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 2020-12-20 03:15:24 (5 years ago); latest analysis 2021-01-14 16:24:56 (5 years ago).

Publisher context

Company metadata: Realtek . Product metadata: Realtek 8125/8136/8168/8169 PCI/PCIe Adapters .

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

rt640x86.sys is a Windows file recorded in the ThreatInfo database. It is associated with Realtek 8125/8136/8168/8169 PCI/PCIe Adapters . The reported company name is Realtek . The current detection status is Undefined, based on the latest analysis from 2021-01-14 16:24:56 (5 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: Realtek 8125/8136/8168/8169 PCI/PCIe Adapters
Company Name: Realtek
MD5: 3c53d3e8fff3d380141dfe4bd6d913f2
Size: 566 KB
First Published: 2020-12-20 03:15:24 (5 years ago)
Latest Published: 2021-01-14 16:24:56 (5 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-01-14 16:24:56 (5 years ago)

Overview

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

The signature on rt640x86.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\20200612t015242173284\pci
%localappdata%\slimware utilities inc\slimdrivers\backups\20200501t081141684142\pci

ThreatInfo has observed rt640x86.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 rt640x86.sys across 1 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country France
Share 100.0%
Low High activity

The strongest geographic signal for this file is France with 100.0% 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 rt640x86.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

rt640x86.sys is identified as pe for 32-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 32-bit
Subsystem Native
Entry point 0x00089190
Image base 0x00400000

PE Sections:

Sections 7
Raw data 561152

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

.text 537600 bytes · 95.8% of section data
MD5 a3e3a88972f329c3599a29407539619e
.rdata 5120 bytes · 0.9% of section data
MD5 fc0bcb5b75c069dbf8ffc5dac9f3072a
.data 3072 bytes · 0.5% of section data
MD5 3ce7cf5f7eaa68dfb996537c2d892b37
PAGE 1536 bytes · 0.3% of section data
Uncommon name
MD5 3b5bd61f254f08b17733f87613b887d5
INIT 3584 bytes · 0.6% of section data
Uncommon name
MD5 aec1e6da2d47d0ac0f301eb6b81f1ca3
.rsrc 2048 bytes · 0.4% of section data
MD5 fd9f0a08c4df947c6713ca24efb64dfb
.reloc 8192 bytes · 1.5% of section data
MD5 f9d736c444ea8be7389935ae905fb616

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 3c53d3e8fff3d380141dfe4bd6d913f2.
  • 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.