GridinSoft Threat Intelligence
rsDwf.sys file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2022-08-22 23:24:04 (3 years ago); latest analysis 2026-04-13 23:01:05 (a month ago).
Company metadata: Reason CyberSecurity Inc.. Product metadata: Reason Safer Web.
Signed by Reason CyberSecurity Inc.;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
rsDwf.sys is a Windows file recorded in the ThreatInfo database. It is associated with Reason Safer Web. The reported company name is Reason CyberSecurity Inc.. The current detection status is Undefined, based on the latest analysis from 2026-04-13 23:01:05 (a month 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: | Reason Safer Web |
| Company Name: | Reason CyberSecurity Inc. |
| MD5: | 54dca53a07b85fa30e309030db691be4 |
| Size: | 52 KB |
| First Published: | 2022-08-22 23:24:04 (3 years ago) |
| Latest Published: | 2026-04-13 23:01:05 (a month ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2026-04-13 23:01:05 (a month ago) |
Overview
| Signed By: | Reason CyberSecurity Inc.;Microsoft Windows Hardware Compatibility Publisher |
| Status: | Valid |
The signature on rsDwf.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:
| %programfiles% |
| %programfiles%\saferweb |
ThreatInfo has observed rsDwf.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 rsDwf.sys across 49 countries. Use this signal to compare local evidence with where the sample is most often reported.
The strongest geographic signal for this file is United States with 17.9% 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 rsDwf.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
rsDwf.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.
b3dabc9bc6e4d647191a4b190d0d3b41
a7b1202ec90589d24db9986cf9982df1
049747437f0f6bfc42da342e811c663a
2d71517f965dc46cd26b9f4876bf4a86
71062ce90c477455343aff9e0c48b937
99c1cc776da771e46549f34b4495b9b0
dc3f046fc250f8be310577da85464476
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.