GridinSoft Threat Intelligence

8e36348.rbf file report

Under review File reputation report
MD5 6a3b9e46c41e42e7b8e1479468d892af
Latest seen 2025-10-22 23:00:34 (7 months ago)
First seen 2017-05-27 22:06:33 (9 years ago)
Size 89 KB
Publisher Microsoft Corporation
Product Microsoft.Expression.Interactions

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-27 22:06:33 (9 years ago); latest analysis 2025-10-22 23:00:34 (7 months ago).

Publisher context

Company metadata: Microsoft Corporation. Product metadata: Microsoft.Expression.Interactions.

Aliases

This hash has appeared under multiple file names, which can happen with repackaging, bundling, or deliberate renaming.

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.

File context

8e36348.rbf is a Windows file recorded in the ThreatInfo database. It is associated with Microsoft.Expression.Interactions. The reported company name is Microsoft Corporation. The current detection status is Undefined, based on the latest analysis from 2025-10-22 23:00:34 (7 months 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: Microsoft.Expression.Interactions
Company Name: Microsoft Corporation
MD5: 6a3b9e46c41e42e7b8e1479468d892af
Size: 89 KB
First Published: 2017-05-27 22:06:33 (9 years ago)
Latest Published: 2025-10-22 23:00:34 (7 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-10-22 23:00:34 (7 months ago)

Common Places:

%programfiles%\redhelper\3.12.252.1022
%programfiles%\redhelper\3.12.252.1022\temp\3.12.248.1006\update1.0.0.0-3.12.248.1006
%programfiles%\redhelper
%programfiles%\essentware\pckeeper
%programfiles%\cleanmypc
%sysdrive%\config.msi
%programfiles%\kromtech\pckeeper
%programfiles%
%programfiles%\essentware
%system%\config\systemprofile\appdata\roaming\funspeed\program files (x86)\avira

ThreatInfo has observed 8e36348.rbf 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.

File Names:

6 observed names
Microsoft.Expression.Interactions.dll 56f0263.rbf 274f118e.rbf 2efb227a.rbf 8e36348.rbf Microsoft.Expression.Interactions.dll.quarantined

This hash has been seen with multiple file names. Alternate names can appear when software is updated, copied between folders, packed by an installer, or deliberately renamed to avoid recognition. Compare the exact MD5 above before assuming two names refer to the same file.

Geographic signal

Observed country distribution

ThreatInfo has seen 8e36348.rbf across 86 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Russian Federation
Share 21.2%
Low High activity

The strongest geographic signal for this file is Russian Federation with 21.2% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 10 62.9%
Windows 7 29.7%
Windows 8.1 5.9%
Windows XP 0.7%
Windows Vista 0.2%
Windows Embedded Standard 0.2%
Windows Server 2012 R2 0.1%
Windows 8 0.1%
Windows Server 2016 0.1%
Windows Embedded 8.1 0.1%

The most common operating system signal for 8e36348.rbf is Windows 10 with 62.9% 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

8e36348.rbf is identified as pe for 32-bit 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.

Format pe
Architecture 32-bit
Subsystem Windows CUI
Entry point 0x00017a1e
Image base 0x00400000

.NET Info:

MVID: bc4a9686-2f61-4ac2-8eb3-1b5f0c27fa5c

PE Sections:

Sections 3
Raw data 91136

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 89088 bytes · 97.8% of section data
MD5 240188ae4cedb7a7b4b44506184f186d
.rsrc 1536 bytes · 1.7% of section data
MD5 ee0826ecae064bfdc20609b28a364301
.reloc 512 bytes · 0.6% of section data
MD5 12ed4a579dcf41fa96f13a68c97d6bf2

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.

Scan with GridinSoft Anti-Malware Use a local scan if the file origin or behavior is unclear. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 6a3b9e46c41e42e7b8e1479468d892af.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan if the source, path, or behavior looks unusual.