» ksapi64.sys
Overview
Analysis
File Details
Behaviors (1)
Programs (1)

ksapi64.sys

Kingsoft Antivirus Security System

Beijing Kingsoft Security software Co.,Ltd

It runs as a Windows 64-bit kernel mode device driver named “ksapi64”.

File name:

ksapi64.sys

Publisher:

Kingsoft Corporation (signed by Beijing Kingsoft Security software Co.,Ltd)

Product:

Kingsoft Antivirus Security System

Description:

Kingsoft KSAPI Module

Version:

2014,03,03,24

MD5:

6968fc608a61791c13cefe6c8496cbd2

SHA-1:

c94358c11faef210e34c98ba0a22802ffbcd74f8

SHA-256:

e934c1410e41d95762d303cacfc1322f0f79ddbac5566d0f196bb52ac5494df0

Scanner detections:

0 / 68

Status:

Clean (as of last analysis)

Analysis date:

6/5/2026 12:45:26 AM UTC (today)

File size:

55.4 KB (56,680 bytes)

Product version:

1,0,164,24

Original file name:

ksapi.sys

File type:

Driver (Win64 SYS)

Common path:

C:\Windows\System32\drivers\ksapi64.sys

Digital Signature

Signed by:

Beijing Kingsoft Security software Co.,Ltd

Authority:

VeriSign, Inc.

Valid from:

12/26/2011 8:00:00 AM

Valid to:

12/26/2014 7:59:59 AM

Subject:

CN="Beijing Kingsoft Security software Co.,Ltd", OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Beijing Kingsoft Security software Co.,Ltd", L=beijing, S=beijing, C=CN

Issuer:

CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:

07BC3A51B589E5AF43291DF84EA4C571

File PE Metadata

Compilation timestamp:

3/3/2014 6:07:56 PM

OS version:

4.0

OS bitness:

Win64

Subsystem:

Native (none required)

Linker version:

8.0

CTPH (ssdeep):

768:XlUOzMUtVWBwUM3+cUCygLFruPC5RBsNfhGpSyMjVLDHdDh3mm:1UOzMUtVWOUMOcpYC6FI2ZPdDh2m

Entry address:

0xE000

Entry point:

48, 89, 5C, 24, 08, 48, 89, 74, 24, 10, 57, 48, 81, EC, 40, 01, 00, 00, 80, 3D, 9F, D1, FF, FF, 00, 48, 8B, F1, 48, 89, 0D, 85, D1, FF, FF, BF, 01, 00, 00, C0, 74, 14, 0F, B6, 05, A1, D1, FF, FF, 8B, 15, 89, D1, FF, FF, 33, DB, E9, DD, 00, 00, 00, 48, 8D, 4C, 24, 20, 33, D2, 41, B8, 1C, 01, 00, 00, E8, 40, BC, FF, FF, 48, 8D, 0D, 21, 35, FF, FF, C7, 44, 24, 20, 1C, 01, 00, 00, E8, BC, 9C, FF, FF, 48, 85, C0, 74, 26, 48, 8D, 4C, 24, 20, FF, D0, 85, C0, 8B, F8, 79, 13, 8B, 15, 44, D1, FF, FF, 8B, D8, 8A, 05... 
[+]

Entropy:

6.2477

Code size:

42.5 KB (43,520 bytes)

Driver

Display name:

ksapi64

Description:

Kingsoft ksapi module.

Type:

Kernel device driver (KernelDriver)

The file ksapi64.sys has been discovered within the following programs.

Clean Master by Cheetah Mobile

www.cmcm.com

18% remove it

Scan ksapi64.sys - Powered by Reason Core Security

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