GridinSoft Threat Intelligence

rt640x64.sys file report

Under review File reputation report
MD5 ab7c0639df052528c2cb06d0eae115ec
Latest seen 2021-09-04 20:58:08 (4 years ago)
First seen 2017-08-20 10:04:55 (8 years ago)
Size 590 KB
Publisher Realtek
Product Realtek 8136/8168/8169 PCI/PCIe Adapters

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-08-20 10:04:55 (8 years ago); latest analysis 2021-09-04 20:58:08 (4 years ago).

Publisher context

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

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

rt640x64.sys is a Windows file recorded in the ThreatInfo database. It is associated with Realtek 8136/8168/8169 PCI/PCIe Adapters . The reported company name is Realtek . The current detection status is Undefined, based on the latest analysis from 2021-09-04 20:58:08 (4 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 8136/8168/8169 PCI/PCIe Adapters
Company Name: Realtek
MD5: ab7c0639df052528c2cb06d0eae115ec
Size: 590 KB
First Published: 2017-08-20 10:04:55 (8 years ago)
Latest Published: 2021-09-04 20:58:08 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-09-04 20:58:08 (4 years ago)

Common Places:

%appdata%\driverfinder\backup\realtek pcie fe family controller - 9.1.406.2015
%appdata%\driverfinder\backup
%localappdata%\slimware utilities inc\slimdrivers\backups\20180216t214624245536\pci
%localappdata%\slimware utilities inc\slimdrivers\backups\20170725t114834994684\pci
%localappdata%\slimware utilities inc\slimdrivers\backups\20170725t114532499130\pci
%localappdata%\slimware utilities inc\driverupdate\backups\20180407t200709244652\pci
%localappdata%\slimware utilities inc\driverupdate\backups\20180513t185226380\pci
%localappdata%\slimware utilities inc\slimdrivers\backups\20190117t134148850999\pci
%localappdata%\slimware utilities inc\slimdrivers\backups\20171128t194742015639\pci
%localappdata%\slimware utilities inc\slimdrivers\backups\20180728t151648305022\pci

ThreatInfo has observed rt640x64.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 rt640x64.sys across 14 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Brazil
Share 23.7%
Low High activity

The strongest geographic signal for this file is Brazil with 23.7% 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 rt640x64.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

rt640x64.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 0x00095138
Image base 0x0000000140000000

PE Sections:

Sections 8
Raw data 603136

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

.text 581120 bytes · 96.3% of section data
MD5 5cf440f7aa0592bbb8a61c7ae8e80d02
.rdata 7680 bytes · 1.3% of section data
MD5 65b1878e357c525ff0de993d3bc581b4
.data 3584 bytes · 0.6% of section data
MD5 01aaff944b245b95dc42cc4b47a22db2
.pdata 4608 bytes · 0.8% of section data
MD5 c85d2f3b3518fc71a551d8aeeb8dc2df
.gfids 512 bytes · 0.1% of section data
Uncommon name
MD5 64d1f04ee674327483852f238bb2c4a5
INIT 3584 bytes · 0.6% of section data
Uncommon name
MD5 2080ca804448d5c01dd2d2e3fe752b3a
.rsrc 1536 bytes · 0.3% of section data
MD5 b5b55e415861551438479d65e964e3d3
.reloc 512 bytes · 0.1% of section data
MD5 9379a70c0a5d17564c0c9f760cba8d47

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 ab7c0639df052528c2cb06d0eae115ec.
  • 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.