nskbfltr2.sys file report

MD5 fe21de1984a1db19d520f01badae7087
Latest seen 2026-04-28 23:01:22 (a week ago)
First seen 2025-11-03 23:01:54 (6 months ago)
Size 33 KB
Publisher NetSupport Ltd
Signed by NetSupport Ltd

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2025-11-03 23:01:54 (6 months ago); latest analysis 2026-04-28 23:01:22 (a week ago).

Publisher context

Company metadata: NetSupport Ltd. Product metadata: NetSupport Manager.

Digital signature

Signed by NetSupport Ltd. The signature is reported as valid, but signed files can still be bundled or abused.

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.

nskbfltr2.sys is a Windows file recorded in the ThreatInfo database. It is associated with NetSupport Manager. The reported company name is NetSupport Ltd. The current detection status is Undefined, based on the latest analysis from 2026-04-28 23:01:22 (a week 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.

Product Name: NetSupport Manager
Company Name: NetSupport Ltd
MD5: fe21de1984a1db19d520f01badae7087
Size: 33 KB
First Published: 2025-11-03 23:01:54 (6 months ago)
Latest Published: 2026-04-28 23:01:22 (a week ago)
Status: Undefined (on last analysis)
Analysis Date: 2026-04-28 23:01:22 (a week ago)
Signed By: NetSupport Ltd
Status: Valid

The signature on nskbfltr2.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.

%programfiles%\netsupport
%programfiles%\netsupport
%programfiles%\netsupport
%programfiles%\netsupport

ThreatInfo has observed nskbfltr2.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.

75.0%
25.0%

The strongest geographic signal for this file is Vietnam with 75.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 100.0%

The most common operating system signal for nskbfltr2.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.

nskbfltr2.sys is identified as pe for 64 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.

Subsystem: Native
PE Type: pe
OS Bitness: 64
Image Base: 0x0000000000010000
Entry Address: 0x0000269c

PE Sections:

Name Size of data MD5
.text 15360 e5795cd0a04eefe2220bcddb2cceb5ef
.rdata 2048 2fd5190ac9e0e28aa548f24b81a32eff
.data 1024 99d69378960525a4f1f606250527a40d
.pdata 1024 9ff4714c8bb0c31419d883cc6f9b174e
PAGE 1536 2908ab0698b532614684e153eccf2963
INIT 1536 389417507cb0b3708caa25d6168417d5
.rsrc 1024 c57c580dc899b6e1ac2ffe6f67fd9cda
.reloc 512 4641ad8d8114136861c091de2d28ae3e

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.

More information: