GridinSoft Threat Intelligence

ComputerZ_Bench_x64.dll file report

Under review File reputation report
MD5 66b510d522c295898f09ef4a7937b257
Latest seen 2024-09-08 23:01:10 (2 years ago)
First seen 2017-05-21 06:06:58 (9 years ago)
Size 182 KB
Publisher 360.cn
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 06:06:58 (9 years ago); latest analysis 2024-09-08 23:01:10 (2 years ago).

Publisher context

Company metadata: 360.cn. 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_Bench_x64.dll is a Windows file recorded in the ThreatInfo database. It is associated with 鲁大师. The reported company name is 360.cn. The current detection status is Undefined, based on the latest analysis from 2024-09-08 23:01:10 (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: 360.cn
MD5: 66b510d522c295898f09ef4a7937b257
Size: 182 KB
First Published: 2017-05-21 06:06:58 (9 years ago)
Latest Published: 2024-09-08 23:01:10 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2024-09-08 23:01:10 (2 years ago)

Overview

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

The signature on ComputerZ_Bench_x64.dll 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\nbench
%programfiles%\ludashi
%programfiles%\ludashi\ludashi

ThreatInfo has observed ComputerZ_Bench_x64.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.

Geographic signal

Observed country distribution

ThreatInfo has seen ComputerZ_Bench_x64.dll across 24 countries. Use this signal to compare local evidence with where the sample is most often reported.

Top country China
Share 36.4%
Low High activity

The strongest geographic signal for this file is China with 36.4% 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 73.0%
Windows 7 20.5%
Windows 8.1 3.8%
Windows XP 1.1%
Windows Embedded 8.1 0.5%
Windows 8 0.5%
Windows Server 2008 R2 0.5%

The most common operating system signal for ComputerZ_Bench_x64.dll is Windows 10 with 73.0% 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.

Analysis

ComputerZ_Bench_x64.dll is identified as pe for 64-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 64-bit
Subsystem Windows GUI
Entry point 0x0000b8a4
Image base 0x0000000180000000

PE Sections:

Sections 8
Raw data 171520

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

.text 109568 bytes · 63.9% of section data
MD5 4baf7e5234a05b4ec6f5b9357d8ecf30
.rdata 22016 bytes · 12.8% of section data
MD5 e8be4da26236e3043fe7a999847fe144
.data 11776 bytes · 6.9% of section data
MD5 2421edf1ee2717d723bbccc45beba9bf
.pdata 5120 bytes · 3.0% of section data
MD5 9d86a870e09c6b7a3c2687241251ff90
text 3072 bytes · 1.8% of section data
MD5 e63d2cba767177bfc7ea63606d5d4e54
data 2048 bytes · 1.2% of section data
MD5 08eb5373e50c14af06e0d9ef791fdcfc
.rsrc 15872 bytes · 9.3% of section data
MD5 a6e6f42f72be938dbdd8bdb9b5885460
.reloc 2048 bytes · 1.2% of section data
MD5 67751534dbc7bbb6f5267a54bfdf72bb

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 66b510d522c295898f09ef4a7937b257.
  • 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.