GridinSoft Threat Intelligence

RegFilter.sys file report

Under review File reputation report
MD5 ba5148e2da9ab2b786ee239510be819a
Latest seen 2021-07-14 20:22:09 (4 years ago)
First seen 2020-04-28 11:18:48 (6 years ago)
Size 30 KB
Publisher IObit.com
Product IObit Malware Fighter
Signed by IObit Information Technology

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2020-04-28 11:18:48 (6 years ago); latest analysis 2021-07-14 20:22:09 (4 years ago).

Publisher context

Company metadata: IObit.com. Product metadata: IObit Malware Fighter.

Digital signature

Signed by IObit Information Technology. 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.

File context

RegFilter.sys is a Windows file recorded in the ThreatInfo database. It is associated with IObit Malware Fighter. The reported company name is IObit.com. The current detection status is Undefined, based on the latest analysis from 2021-07-14 20:22:09 (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: IObit Malware Fighter
Company Name: IObit.com
MD5: ba5148e2da9ab2b786ee239510be819a
Size: 30 KB
First Published: 2020-04-28 11:18:48 (6 years ago)
Latest Published: 2021-07-14 20:22:09 (4 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2021-07-14 20:22:09 (4 years ago)

Overview

Signed By: IObit Information Technology
Status: Valid

The signature on RegFilter.sys 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.

Common Places:

%profile%\downloads\programs\iobit.malware.fighter.pro.2.0.0.205.portable\malwarefighterportable\app\iobit malware fighter\drivers
%profile%\downloads\iobit.malware.fighter.pro.2.0.0.205.portable\malwarefighterportable\app\iobit malware fighter\drivers
%sysdrive%\29june2020\myportables\iobit.malware.fighter.pro.2.0.0.205.portable\iobit.malware.fighter.pro.2.0.0.205.portable\malwarefighterportable\app\iobit malware fighter\drivers
%sysdrive%\temp\utils\portable\malwarefighterportable\app\iobit malware fighter\drivers
%programfiles%\iobit\iobit malware fighter\drivers
%desktop%\malwarefighterportable\app\iobit malware fighter\drivers
%desktop%\iobit.malware.fighter.pro.2.0.0.205.portable\malwarefighterportable\app\iobit malware fighter\drivers

ThreatInfo has observed RegFilter.sys 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.

Geographic signal

Observed country distribution

ThreatInfo has seen RegFilter.sys across 4 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country Iran, Islamic Republic of
Share 66.7%
Low High activity

The strongest geographic signal for this file is Iran, Islamic Republic of with 66.7% 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 66.7%
Windows 7 33.3%

The most common operating system signal for RegFilter.sys is Windows 10 with 66.7% 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.

Analysis

RegFilter.sys is identified as pe for 32-bit systems. The subsystem is Native. 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 Native
Entry point 0x00004cbe
Image base 0x00010000

PE Sections:

Sections 6
Raw data 22272

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

.text 16384 bytes · 73.6% of section data
MD5 31cf954454f1a61084208d435dc6550e
.rdata 640 bytes · 2.9% of section data
MD5 016f7e89aabc686c4b39fb4f984fdbc9
.data 1408 bytes · 6.3% of section data
MD5 327a21af1a0f59cabf641843cd9e4a7d
INIT 1792 bytes · 8.0% of section data
Uncommon name
MD5 3d0a29491f14cf986c8af86bc04437a5
.rsrc 896 bytes · 4.0% of section data
MD5 e516523727876f62f2da20cb9ff4355e
.reloc 1152 bytes · 5.2% of section data
MD5 cf2004dedd00232599d605faa64d3b46

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 ba5148e2da9ab2b786ee239510be819a.
  • 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.