GridinSoft Threat Intelligence

SpDrv_amd64.sys file report

Under review File reputation report
MD5 4acce6101bb4114edd4cfa447de05957
Latest seen 2024-09-08 23:01:11 (2 years ago)
First seen 2019-03-11 07:23:29 (7 years ago)
Size 1 MB
Publisher www.ludashi.com
Product 鲁大师

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2019-03-11 07:23:29 (7 years ago); latest analysis 2024-09-08 23:01:11 (2 years ago).

Publisher context

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

Digital signature

Signed by Chengdu Qilu Technology Co. Ltd.;Microsoft Windows Hardware Compatibility Publisher. 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.

SpDrv_amd64.sys is a Windows file recorded in the ThreatInfo database. It is associated with 鲁大师. The reported company name is www.ludashi.com. The current detection status is Undefined, based on the latest analysis from 2024-09-08 23:01:11 (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.

Product Name: 鲁大师
Company Name: www.ludashi.com
MD5: 4acce6101bb4114edd4cfa447de05957
Size: 1 MB
First Published: 2019-03-11 07:23:29 (7 years ago)
Latest Published: 2024-09-08 23:01:11 (2 years ago)
Status: Undefined (on last analysis)
Analysis Date: 2024-09-08 23:01:11 (2 years ago)

The signature on SpDrv_amd64.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.

%sysdrive%\ldsgamemaster
%programfiles%
%appdata%\360bizhi

ThreatInfo has observed SpDrv_amd64.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.

Windows 10 71.9%
Windows 7 28.1%

The most common operating system signal for SpDrv_amd64.sys is Windows 10 with 71.9% 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.

SpDrv_amd64.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 0x00916064
Image base 0x0000000000010000

PE Sections:

Sections 8
Raw data 1264640

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

.text 38912 bytes · 3.1% of section data
MD5 c8f072fdd9a6285491b974d20a68d8cc
.rdata 6656 bytes · 0.5% of section data
MD5 30be6d4b8e583c0d9973fab8e4b91798
.data 4608 bytes · 0.4% of section data
MD5 dd774f3c9b2cfe537d299c8ef3622290
.pdata 1024 bytes · 0.1% of section data
MD5 06ceeb03a5b5c04bd862536c383e66ea
INIT 2048 bytes · 0.2% of section data
Uncommon name
MD5 a126547a9fe701767efa719423ffc4fa
W0 1209344 bytes · 95.6% of section data
Uncommon name
MD5 f6bf2a44a94b8f751fc1293c49e90b9a
.reloc 512 bytes · 0.0% of section data
MD5 9ebf027d9f51b90fc09a36c214c0895a
.rsrc 1536 bytes · 0.1% of section data
MD5 383a4d9fbb2c89879bfaa148e5ebd706

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 4acce6101bb4114edd4cfa447de05957.
  • 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.