GridinSoft Threat Intelligence
pcisys.sys file report
Why it matters
Evidence available for this file
No final classification is available yet.
First seen 2020-01-24 03:24:10 (6 years ago); latest analysis 2026-04-28 23:01:22 (3 weeks ago).
Company metadata: NetSupport Ltd. Product metadata: NetSupport Manager.
Signed by NetSupport Ltd. 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
pcisys.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 (3 weeks 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: | NetSupport Manager |
| Company Name: | NetSupport Ltd |
| MD5: | 84dee0f25fe97868071202065dab63bb |
| Size: | 22 KB |
| First Published: | 2020-01-24 03:24:10 (6 years ago) |
| Latest Published: | 2026-04-28 23:01:22 (3 weeks ago) |
| Status: | Undefined (on last analysis) | |
| Analysis Date: | 2026-04-28 23:01:22 (3 weeks ago) |
Overview
| Signed By: | NetSupport Ltd |
| Status: | Valid |
The signature on pcisys.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% |
| %programfiles%\acer |
| %programfiles%\netsupport |
ThreatInfo has observed pcisys.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 pcisys.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 Vietnam with 50.0% 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 pcisys.sys is Windows 10 with 83.3% 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
pcisys.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.
9a6699f034842ac6e864e466e1b59507
a91ee0b0b4a390190d78748046267a3d
58a4e129d95d798384b572b04e40b157
632c5b2bd922ac0a467324a7eea7d00a
f0336fda853ef2b786e030913f0832b1
60a0a80330cf2126bfa7400de5aa369c
636c872975a2725cdeda277f3692586b
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.