System.Core.dll file report

MD5 c756e2d4c185cc68d7e9aa3bea9523ee
Latest seen 2022-03-16 00:00:12 (4 years ago)
First seen 2018-08-07 18:09:15 (7 years ago)
Size 227 KB

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2018-08-07 18:09:15 (7 years ago); latest analysis 2022-03-16 00:00:12 (4 years ago).

Publisher context

Company metadata: MONO development team. Product metadata: MONO Common language infrastructure.

Digital signature

Signed by Unity Technologies ApS. 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.

System.Core.dll is a Windows file recorded in the ThreatInfo database. It is associated with MONO Common language infrastructure. The reported company name is MONO development team. The current detection status is Undefined, based on the latest analysis from 2022-03-16 00:00:12 (4 years 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: MONO Common language infrastructure
Company Name: MONO development team
MD5: c756e2d4c185cc68d7e9aa3bea9523ee
Size: 227 KB
First Published: 2018-08-07 18:09:15 (7 years ago)
Latest Published: 2022-03-16 00:00:12 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2022-03-16 00:00:12 (4 years ago)
Signed By: Unity Technologies ApS
Status: Valid

The signature on System.Core.dll 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.

%localappdata%\webplayer\mono\stable3.x.x\data
%localappdata%\webplayer\mono\stable3.x.x\data

ThreatInfo has observed System.Core.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.

100.0%

The strongest geographic signal for this file is Russian Federation with 100.0% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 8.1 50.0%
Windows 10 50.0%

The most common operating system signal for System.Core.dll is Windows 8.1 with 50.0% 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.

System.Core.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.

Subsystem: Windows CUI
PE Type: pe
OS Bitness: 32
Image Base: 0x00400000
Entry Address: 0x00038f2e

.NET Info:

MVID: 734cccea-88f7-48f1-a71a-a9c9b0a824ba

PE Sections:

Name Size of data MD5
.text 225280 927ae57747a9c58e465c9e70204499d2
.reloc 512 b996ed5aed9ced871cbcf62666dec558
.rsrc 1024 a042b7fbb5f3738db62b18d1a6d87416

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: