GridinSoft Threat Intelligence
rt640x64.sys file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2019-04-16 12:38:45 (7 years ago); latest analysis 2023-08-15 23:42:46 (2 years ago).
Company metadata: Realtek . Product metadata: Realtek 8136/8168/8169 PCI/PCIe Adapters .
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.
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
- Use the hash and metadata below to verify the exact file identity.
- Review publisher, signature, paths, and PE details for inconsistencies.
- 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 2023-08-15 23:42:46 (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: | Realtek 8136/8168/8169 PCI/PCIe Adapters |
| Company Name: | Realtek |
| MD5: | 62f6cef17a33ca0f97033e0f0abb4020 |
| Size: | 921 KB |
| First Published: | 2019-04-16 12:38:45 (7 years ago) |
| Latest Published: | 2023-08-15 23:42:46 (2 years ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2023-08-15 23:42:46 (2 years ago) |
Overview
| Signed By: | Realtek Semiconductor Corp.;Microsoft Windows Hardware Compatibility Publisher |
| Status: | Valid |
The signature on rt640x64.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\20171128t195537413217\pci |
| %localappdata%\slimware utilities inc\slimdrivers\backups\20190430t043010151188\pci |
| %localappdata%\slimware utilities inc\slimdrivers\backups\20190521t035437613446\pci |
| %localappdata%\slimware utilities inc\slimdrivers\backups\20190903t170648197221\pci |
| %localappdata%\slimware utilities inc\slimdrivers\backups\20190903t055057967736\pci |
| %localappdata%\slimware utilities inc\slimdrivers\backups\20190903t154355642135\pci |
| %localappdata%\slimware utilities inc\slimdrivers\backups\20170116t020338479990\pci |
| %localappdata%\slimware utilities inc\slimdrivers\backups\20170116t023554866394\pci |
| %localappdata%\slimware utilities inc\slimdrivers\backups\20191021t132222146486\pci |
| %localappdata%\slimware utilities inc\slimdrivers\backups\20190806t131256069563\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 4 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is Brazil with 40.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.
OS Version:
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.
PE Sections:
Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.
663357b32749f1f17a292c5415f47a37
feeba7952d57f231424122ef44de1b4a
86bfa4228d9d5c5980d889ede832b6fb
85adf865c282e5555bf5e608cd23de7b
028e6053d101d76baf140f6d3e820831
219114ffbd6e406663c3e6c26445e98e
1c93a7fd51c66c0caf9c5661a0ccdd7b
78e67aa8930bb94a629415c3bf86b48a
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.