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{43925862-ec89-4231-9dfe-7e8c4a7a4b55}w64.sys

kingthink

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {43925862-ec89-4231-9dfe-7e8c4a7a4b55}w64.sys by kingthink has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a Windows 64-bit kernel mode device driver named “{43925862-ec89-4231-9dfe-7e8c4a7a4b55}w64”.
Publisher:
kingthink  (signed and verified)

MD5:
523efe456b11cfcefee0141d4bb41649

SHA-1:
904bb0797584c0609b7cbaade714ed4ce3c29a68

SHA-256:
b0a4e6b9e082ee1af43c752b19681aee98a26bae21fc6f1d347e7bb9d0276109

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
12/24/2024 12:59:09 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.15.0

File size:
47.6 KB (48,784 bytes)

File type:
Driver (Win64 SYS)

Common path:
C:\Windows\System32\drivers\{43925862-ec89-4231-9dfe-7e8c4a7a4b55}w64.sys

Digital Signature
Signed by:
kingthink

Authority:
VeriSign, Inc.

Valid from:
8/4/2014 9:00:00 PM

Valid to:
8/5/2015 8:59:59 PM

Subject:
CN=kingthink, O=kingthink, L=Santa Monica, S=California, C=US

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:
460C442B73452ACE582F3F3040EFEB0B

File PE Metadata
Compilation timestamp:
9/22/2014 4:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

Entry address:
0xC064

Entry point:
48, 83, EC, 28, 4C, 8B, C2, 4C, 8B, C9, E8, 95, FF, FF, FF, 49, 8B, D0, 49, 8B, C9, 48, 83, C4, 28, E9, E2, 50, FF, FF, CC, CC, 78, C2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 54, C6, 00, 00, A0, 91, 00, 00, 28, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DA, CA, 00, 00, 50, 90, 00, 00, D8, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D2, CB, 00, 00, 00, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, CB, 00, 00, 00, 00, 00, 00, A2, CB, 00, 00...
 
[+]

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{43925862-ec89-4231-9dfe-7e8c4a7a4b55}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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