GridinSoft Threat Intelligence

tfilesys.dll file report

Under review File reputation report
MD5 911d1269907eafc058ddf61cf47f0f75
Latest seen 2022-03-24 23:16:48 (4 years ago)
First seen 2017-05-21 18:08:20 (8 years ago)
Size 56 KB
Publisher RealNetworks, Inc.
Product RealNetworks RealPlayer

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-21 18:08:20 (8 years ago); latest analysis 2022-03-24 23:16:48 (4 years ago).

Publisher context

Company metadata: RealNetworks, Inc.. Product metadata: RealNetworks RealPlayer.

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

tfilesys.dll is a Windows file recorded in the ThreatInfo database. It is associated with RealNetworks RealPlayer. The reported company name is RealNetworks, Inc.. The current detection status is Undefined, based on the latest analysis from 2022-03-24 23:16:48 (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.

File Details

Product Name: RealNetworks RealPlayer
Company Name: RealNetworks, Inc.
MD5: 911d1269907eafc058ddf61cf47f0f75
Size: 56 KB
First Published: 2017-05-21 18:08:20 (8 years ago)
Latest Published: 2022-03-24 23:16:48 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2022-03-24 23:16:48 (4 years ago)

Common Places:

%programfiles%\haihaisoft universal player\real\plugins
%programfiles%\haihaisoft universal player\real

ThreatInfo has observed tfilesys.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.

Geography:

27 observed countries
28.9%
8.9%
8.9%
5.6%
5.6%
4.4%
4.4%
3.3%
2.2%
2.2%
2.2%
2.2%
2.2%
2.2%
2.2%
2.2%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%
1.1%

The strongest geographic signal for this file is Egypt with 28.9% of observed hits. Geographic distribution can help identify targeted campaigns, regional software bundles, or where a file is most commonly reported.

OS Version:

Windows 7 39.8%
Windows XP 26.9%
Windows 10 23.7%
Windows 8.1 7.5%
Windows Embedded Standard 1.1%
Windows 8 1.1%

The most common operating system signal for tfilesys.dll is Windows 7 with 39.8% 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

tfilesys.dll is identified as pe for 32-bit systems. The subsystem is Windows GUI. 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 GUI
Entry point 0x0000786e
Image base 0x60070000

PE Sections:

Sections 5
Raw data 53248

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

.text 32768 bytes · 61.5% of section data
MD5 7651c7f15f2f064172f88faab2d8116c
.rdata 8192 bytes · 15.4% of section data
MD5 2d283d77ba8c6c66083fc6086a0d034e
.data 4096 bytes · 7.7% of section data
MD5 9f4e17c32578ce6ce353cc42e99dfffb
.rsrc 4096 bytes · 7.7% of section data
MD5 435054868986947879b44048131895b5
.reloc 4096 bytes · 7.7% of section data
MD5 d610c7c68bd5cff04189670e8f099b68

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 911d1269907eafc058ddf61cf47f0f75.
  • 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.