GridinSoft Threat Intelligence
vivadrvr.sys threat report
GridinSoft Anti-Malware detection
Detected by GridinSoft before you download
The current ThreatInfo record shows this exact file hash detected as Risk.NetFilter. Download GridinSoft Anti-Malware to scan the device, confirm whether this file is present, and remove the detected object if it is found.
- Detection name
- Risk.NetFilter
- Recommended action
- Scan and remove
- Last analysis
- 2026-03-15 23:01:13 (2 months ago)
- File hash
- 65a7f3e9c7f0b916a20308d44a744d40
Why it matters
Why GridinSoft flags this file
GridinSoft identifies the sample as Risk.NetFilter.
First seen 2017-05-24 22:07:04 (8 years ago); latest analysis 2026-03-15 23:01:13 (2 months ago).
Company metadata: Windows (R) Win 7 DDK provider. Product metadata: Windows (R) Win 7 DDK driver.
Signed by ALVAREZ @amp; SILVA LTDA - EPP. The signature is reported as valid, but signed files can still be bundled or abused.
This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.
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
- Compare the MD5 above with the file found on the device.
- Check whether the file appears in the observed locations or under one of the alternate names.
- Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present.
File context
vivadrvr.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 Risk.NetFilter, based on the latest analysis from 2026-03-15 23:01:13 (2 months ago).
If vivadrvr.sys appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Risk.NetFilter.
File Details
| Product Name: | Windows (R) Win 7 DDK driver |
| Company Name: | Windows (R) Win 7 DDK provider |
| MD5: | 65a7f3e9c7f0b916a20308d44a744d40 |
| Size: | 57 KB |
| First Published: | 2017-05-24 22:07:04 (8 years ago) |
| Latest Published: | 2026-03-15 23:01:13 (2 months ago) |
| Status: | Risk.NetFilter (on last analysis) | |
| Analysis Date: | 2026-03-15 23:01:13 (2 months ago) |
Detection screenshot
The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.
Overview
| Signed By: | ALVAREZ @amp; SILVA LTDA - EPP |
| Status: | Valid |
The signature on vivadrvr.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:
| %system%\drivers |
| %system% |
ThreatInfo has observed vivadrvr.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.
File Names:
2 observed namesThis 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.
Geographic signal
Observed country distribution
ThreatInfo has seen vivadrvr.sys across 11 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 84.2% 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 vivadrvr.sys is Windows 10 with 88.8% 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
vivadrvr.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.
5cdaba1e99de218bc8a025dcef6a70ce
0e4f36482a64d236ae8bab128601f207
46379b8ab4e14e93955bb62544c80379
1803e8d06df94d03236619400589b6d7
b4af175ecb4dd909a96bb583394504ca
80007b32b64cab275e1eb27579ce7c47
1281db94b2103c76b1d2e8cd56c299f7
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
GridinSoft detects this file as Risk.NetFilter
This report identifies vivadrvr.sys by MD5 65a7f3e9c7f0b916a20308d44a744d40. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.