SysDiag.dll file report

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• File Details
• Overview
• Analysis

Analyst brief

What this report says

ThreatInfo currently records SysDiag.dll as Clean. Treat the hash, publisher, signature, and observed locations below as the primary identity markers for comparison with the file on your system.

This page combines the detection verdict with file identity, publisher metadata, alternate names, observed paths, geography, OS signals, and PE details so the report reads as a triage record rather than a standalone download page.

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2020-11-10 00:22:53 (5 years ago); latest analysis 2021-01-04 11:42:36 (5 years ago).

Publisher context

Company metadata: Lenovo Group Limited. Product metadata: SysDiag.

Digital signature

Signed by Lenovo (Beijing) Limited. ThreatInfo marks this publisher as trusted for this record.

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. Confirm the hash and publisher match the expected software.
2. Review the observed locations and signature information below.
3. Rescan if the file was downloaded from an unknown source or appears in an unusual path.

SysDiag.dll is a Windows file recorded in the ThreatInfo database. It is associated with SysDiag. The reported company name is Lenovo Group Limited. The current detection status is Clean, based on the latest analysis from 2021-01-04 11:42:36 (5 years ago).

This record is currently marked as clean, but file reputation can depend on the exact path, hash, and source. Compare the MD5 and publisher data below with the file on your system.

File Details

Overview

ThreatInfo marks this publisher as trusted for this record, but the file hash and source should still match the expected software distribution.

ThreatInfo has observed SysDiag.dll 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.

The strongest geographic signal for this file is United Kingdom with 50.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

The most common operating system signal for SysDiag.dll is Windows 10 with 75.0% 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

SysDiag.dll is identified as pe for 32 systems. The subsystem is Windows CUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

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.