GridinSoft Threat Intelligence

ComputerZ_x64.sys file report

Under review File reputation report
MD5 5fade7137c14a94b323f3b7886fba2a9
Latest seen 2024-09-08 23:01:13 (2 years ago)
First seen 2017-05-21 03:01:55 (9 years ago)
Size 48 KB
Publisher ludashi.com
Product 鲁大师
Signed by Qihoo 360 Software (Beijing) Company Limited

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2017-05-21 03:01:55 (9 years ago); latest analysis 2024-09-08 23:01:13 (2 years ago).

Publisher context

Company metadata: ludashi.com. Product metadata: 鲁大师.

Digital signature

Signed by Qihoo 360 Software (Beijing) Company Limited. 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

ComputerZ_x64.sys is a Windows file recorded in the ThreatInfo database. It is associated with 鲁大师. The reported company name is ludashi.com. The current detection status is Undefined, based on the latest analysis from 2024-09-08 23:01:13 (2 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: 鲁大师
Company Name: ludashi.com
MD5: 5fade7137c14a94b323f3b7886fba2a9
Size: 48 KB
First Published: 2017-05-21 03:01:55 (9 years ago)
Latest Published: 2024-09-08 23:01:13 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2024-09-08 23:01:13 (2 years ago)

Overview

Signed By: Qihoo 360 Software (Beijing) Company Limited
Status: Valid

The signature on ComputerZ_x64.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:

%programfiles%\ludashi
%desktop%\鲁大师.5.15.16.1120
%programfiles%\ldslite
%sysdrive%\ludashi
%sysdrive%\应用程序\ludashi
%programfiles%
%sysdrive%
%sysdrive%\必备软件\鲁大师\ludashi
%sysdrive%\360安全浏览器下载
%sysdrive%\新建文件夹

ThreatInfo has observed ComputerZ_x64.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 ComputerZ_x64.sys across 28 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country China
Share 37.3%
Low High activity

The strongest geographic signal for this file is China with 37.3% 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 70.5%
Windows 7 24.9%
Windows 8.1 2.5%
Windows XP 1.1%
Windows Server 2008 R2 0.5%
Windows Embedded 8.1 0.3%
Windows 8 0.3%

The most common operating system signal for ComputerZ_x64.sys is Windows 10 with 70.5% 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

ComputerZ_x64.sys is identified as pe for 64-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 64-bit
Subsystem Native
Entry point 0x00008064
Image base 0x0000000000010000

PE Sections:

Sections 6
Raw data 21504

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

.text 15872 bytes · 73.8% of section data
MD5 5decf8113e7ec5530d0e43bee836a42c
.rdata 1024 bytes · 4.8% of section data
MD5 67920b9654493abb276709139c18dd73
.data 512 bytes · 2.4% of section data
MD5 043c46095689123e1f5be96c109c2f46
.pdata 1024 bytes · 4.8% of section data
MD5 99b8e21caee85d2392569e3781a1d573
INIT 1536 bytes · 7.1% of section data
Uncommon name
MD5 1cab5af4709c2fe9d321bd9d4186e8ba
.rsrc 1536 bytes · 7.1% of section data
MD5 f018a9d45c64e6d447dfad28e7cde33b

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 5fade7137c14a94b323f3b7886fba2a9.
  • 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.