mfc100.dll file report

MD5 434b4f2ec40483c560b718ad0da78e0f
Latest seen 2025-12-11 23:01:08 (5 months ago)
First seen 2025-07-18 23:01:10 (10 months ago)
Size 5 MB

Why it matters

Evidence available for this file

Detection

Latest status is clean for this hash.

Timeline

First seen 2025-07-18 23:01:10 (10 months ago); latest analysis 2025-12-11 23:01:08 (5 months ago).

Publisher context

Company metadata: Microsoft Corporation. Product metadata: Microsoft® Visual Studio® 10.

Digital signature

Signed by Microsoft Corporation. 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.

mfc100.dll is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft® Visual Studio® 10. The reported company name is Microsoft Corporation. The current detection status is Clean, based on the latest analysis from 2025-12-11 23:01:08 (5 months 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.

Product Name: Microsoft® Visual Studio® 10
Company Name: Microsoft Corporation
MD5: 434b4f2ec40483c560b718ad0da78e0f
Size: 5 MB
First Published: 2025-07-18 23:01:10 (10 months ago)
Latest Published: 2025-12-11 23:01:08 (5 months ago)
Status: Clean (on last analysis)
Analysis Date: 2025-12-11 23:01:08 (5 months ago)
Signed By: Microsoft Corporation
Status: Trusted Publisher

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

%temp%
%temp%
%desktop%

ThreatInfo has observed mfc100.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.

66.7%
33.3%

The strongest geographic signal for this file is Saudi Arabia with 66.7% 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 mfc100.dll 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.

mfc100.dll is identified as pe for 64 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: 64
Image Base: 0x00000000797f0000
Entry Address: 0x00297d94

PE Sections:

Name Size of data MD5
.text 2869760 9453ce4cd9b30b3a9ea68aace54ce6cf
.rdata 1081344 84f32272d4c79610feb6edfe36714bb3
.data 56832 0105f9e1d080af7a3953a9fad01b1565
.pdata 145408 c5c775d88696c120b0e9dcd5c4be8889
.rsrc 1311232 831291f9fd17e263d29567a00a432f42
.reloc 102912 958819c9ebf16fc04b3463792eb730db

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: