GridinSoft Threat Intelligence

ZTKeFuSrv.dll file report

Under review File reputation report
MD5 f41ca07b68ce3effe2323fbfea58dc6d
Latest seen 2025-09-27 23:00:52 (8 months ago)
First seen 2025-09-27 23:00:52 (8 months ago)
Size 470 KB
Product YY Media SDK

Why it matters

Evidence available for this file

Detection

No final classification is available yet.

Timeline

First seen 2025-09-27 23:00:52 (8 months ago); latest analysis 2025-09-27 23:00:52 (8 months ago).

Publisher context

Company metadata: Guangzhou Jinhong Network Media Co., Ltd.. Product metadata: YY Media SDK.

Digital signature

Signed by 广州津虹网络传媒有限公司. 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.

ZTKeFuSrv.dll is a Windows file recorded in the ThreatInfo database. It is associated with YY Media SDK. The reported company name is Guangzhou Jinhong Network Media Co., Ltd.. The current detection status is Undefined, based on the latest analysis from 2025-09-27 23:00:52 (8 months 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: YY Media SDK
Company Name: Guangzhou Jinhong Network Media Co., Ltd.
MD5: f41ca07b68ce3effe2323fbfea58dc6d
Size: 470 KB
First Published: 2025-09-27 23:00:52 (8 months ago)
Latest Published: 2025-09-27 23:00:52 (8 months ago)
Status: Undefined (on last analysis)
Analysis Date: 2025-09-27 23:00:52 (8 months ago)
Signed By: 广州津虹网络传媒有限公司
Status: Valid

The signature on ZTKeFuSrv.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.

%appdata%\duowan\yy\business\videoservice\kefu

ThreatInfo has observed ZTKeFuSrv.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.

Windows 10 100.0%

The most common operating system signal for ZTKeFuSrv.dll is Windows 10 with 100.0% 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.

ZTKeFuSrv.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 0x0004c7e2
Image base 0x10000000

PE Sections:

Sections 7
Raw data 470016

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

.text 343040 bytes · 73.0% of section data
MD5 b88cf10db3999ad7e6837888081d1584
.rdata 84480 bytes · 18.0% of section data
MD5 f98998e37fb160bcf4d1bde4e886d130
.data 10752 bytes · 2.3% of section data
MD5 c9c11ddad3a312a0af97038a7385e1eb
.tls 512 bytes · 0.1% of section data
MD5 1f354d76203061bfdd5a53dae48d5435
.gfids 512 bytes · 0.1% of section data
Uncommon name
MD5 9acc9c981e10fcfb35a137d0579f86a1
.rsrc 1536 bytes · 0.3% of section data
MD5 a9868fe0dd36eeedadc84ceaf7a08811
.reloc 29184 bytes · 6.2% of section data
MD5 ddb8314ac32525e68ecab7d914fff6bb

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 f41ca07b68ce3effe2323fbfea58dc6d.
  • 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.