System.Windows.Forms.dll file report

MD5 4bbb50ee0660ad59380e27ea00f318c9
Latest seen 2025-05-20 23:05:24 (a year ago)
First seen 2017-05-22 09:03:15 (8 years ago)
Size 4 MB

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-22 09:03:15 (8 years ago); latest analysis 2025-05-20 23:05:24 (a year ago).

Publisher context

Company metadata: Microsoft Corporation. Product metadata: Microsoft® .NET Framework.

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.Windows.Forms.dll is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft® .NET Framework. The reported company name is Microsoft Corporation. The current detection status is Undefined, based on the latest analysis from 2025-05-20 23:05:24 (a year 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: Microsoft® .NET Framework
Company Name: Microsoft Corporation
MD5: 4bbb50ee0660ad59380e27ea00f318c9
Size: 4 MB
First Published: 2017-05-22 09:03:15 (8 years ago)
Latest Published: 2025-05-20 23:05:24 (a year ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-05-20 23:05:24 (a year ago)
%programfiles%\fileviewpro
%programfiles%
%programfiles%
%programfiles%
%programfiles%
%programfiles%
%programfiles%
%programfiles%
%programfiles%
%programfiles%

ThreatInfo has observed System.Windows.Forms.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.

16.9%
9.3%
6.3%
5.5%
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4.6%
4.1%
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2.9%
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The strongest geographic signal for this file is Taiwan with 16.9% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

Windows 10 49.7%
Windows 7 42.3%
Windows 8.1 5.2%
Windows 8 2.2%
Windows Vista 0.5%
Windows XP 0.1%

The most common operating system signal for System.Windows.Forms.dll is Windows 10 with 49.7% 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.Windows.Forms.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: 0x7afd0000
Entry Address: 0x0047c04e

.NET Info:

MVID: e2a5a94c-0bfb-4dcd-a70d-138cf052a0ed
Typelib ID: 285a8862-c84a-11d7-850f-005cd062464f

PE Sections:

Name Size of data MD5
.text 4698112 37350068e7b9820969ffbef44b48d3b7
.rsrc 319488 f10c5a20d32ec0f3e68735a5ad757290
.reloc 4096 ca6136458686725e0ecd6d97201ebcfd

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: