GridinSoft Threat Intelligence

$R1YWTYJ.sys file report

Under review File reputation report
MD5 05faae4b9d7bfccecb3223395a0ef7fc
Latest seen 2022-01-29 21:39:50 (4 years ago)
First seen 2017-09-06 11:07:56 (8 years ago)
Size 78 KB

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Category context

Potentially unwanted programs, bundlers, installers, and utilities with intrusive behavior. Related PUP reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2017-09-06 11:07:56 (8 years ago); latest analysis 2022-01-29 21:39:50 (4 years ago).

Publisher context

Company metadata: Windows (R) Win 7 DDK provider. Product metadata: Windows (R) Win 7 DDK driver.

Digital signature

Signed by Sidorov Vitaly Viktorovich IP. The signature is reported as valid, but signed files can still be bundled or abused.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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.

$R1YWTYJ.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 Windows (R) Win 7 DDK provider. The current detection status is Undefined, based on the latest analysis from 2022-01-29 21:39:50 (4 years ago). ThreatInfo groups this verdict with PUP reports for broader family-level investigation.

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.

Product Name: Windows (R) Win 7 DDK driver
Company Name: Windows (R) Win 7 DDK provider
MD5: 05faae4b9d7bfccecb3223395a0ef7fc
Size: 78 KB
First Published: 2017-09-06 11:07:56 (8 years ago)
Latest Published: 2022-01-29 21:39:50 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2022-01-29 21:39:50 (4 years ago)
Signed By: Sidorov Vitaly Viktorovich IP
Status: Valid

The signature on $R1YWTYJ.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.

%profile%\downloads\nfsdk-demo-pf\bin\driver\wfp\windows8\amd64
%system%\drivers
%commonappdata%\malwarebytes' anti-malware (portable)
%appdata%\skype\my skype received files
%sysdrive%\$recycle.bin\s-1-5-21-3163956098-3196896415-2454825928-1002
%system%
%profile%\downloads\nfsdk-demo-pf\bin\driver\wfp\windows8
%sysdrive%\netfilter\bin\driver\wfp\windows8
%sysdrive%\downloads\nfsdk-demo-pf\bin\driver\wfp\windows8
%sysdrive%\temp\firewall\netfilter\bin\driver\wfp\windows8

ThreatInfo has observed $R1YWTYJ.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.

netfilter2.sys netfilter2_8.sys netfilter2.sys-u.mbam netfilter2.sys-k.mbam $R1YWTYJ.sys

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

Windows 8.1 51.5%
Windows 8 26.3%
Windows 10 13.7%
Windows 7 7.5%
Windows Server 2012 0.2%
Windows Server 2012 R2 0.2%
Windows Embedded 8.1 0.2%
Windows Server 2016 0.2%

The most common operating system signal for $R1YWTYJ.sys is Windows 8.1 with 51.5% 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.

$R1YWTYJ.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 0x0000c330
Image base 0x0000000140000000

PE Sections:

Sections 7
Raw data 62976

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

.text 48128 bytes · 76.4% of section data
MD5 498249b65a7d2f59dae0b7e8de4c3257
.rdata 4608 bytes · 7.3% of section data
MD5 d3064ee75541e1f8441a495c998e3890
.data 2048 bytes · 3.3% of section data
MD5 02fc0fda82e1b2a553dfb9a6aba9350a
.pdata 2048 bytes · 3.3% of section data
MD5 9dccee523ed1869fbab1653f2c16ada9
INIT 3584 bytes · 5.7% of section data
Uncommon name
MD5 be77982e41a97e629d5a2e761dd45b08
.rsrc 1536 bytes · 2.4% of section data
MD5 d5a4dbe29e39c4572f5ed5867dd776ab
.reloc 1024 bytes · 1.6% of section data
MD5 f6b5ffd5a1da4d1ebb0566f93efc3957

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 05faae4b9d7bfccecb3223395a0ef7fc.
  • 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. Use the PUP category to compare similar reports.