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{531424a9-a823-423c-b371-192e15bedef9}w.sys

DiVapton

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {531424a9-a823-423c-b371-192e15bedef9}w.sys by DiVapton 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 kernel mode device driver named “{531424a9-a823-423c-b371-192e15bedef9}w”.
Publisher:
StdLib  (signed by DiVapton)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
e360e6e4123d235038a06bfa3f163fe3

SHA-1:
099bd5d74d89b52dc50594ab6e49cae3349a0256

SHA-256:
9ac810f703c511a7e06721f6f206accdae0e2b34915913497ec57db6c8530844

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:
4/16/2024 8:46:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.DiVapton (M)
16.2.14.20

File size:
42.1 KB (43,144 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{531424a9-a823-423c-b371-192e15bedef9}w.sys

Digital Signature
Signed by:
DiVapton

Authority:
VeriSign, Inc.

Valid from:
5/27/2014 7:00:00 AM

Valid to:
9/20/2015 6:59:59 AM

Subject:
CN=DiVapton, O=DiVapton, L=San Diego, 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:
366277DEAF2752A755B6F775090768C5

File PE Metadata
Compilation timestamp:
11/28/2014 12:22:49 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:kN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddgd:8hUcpH/0+LCf7EziDHhdI

Entry address:
0xA03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 70, FF, FF, CC, CC, 94, A1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, CE, A4, 00, 00, E0, 80, 00, 00, B4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 24, A5, 00, 00, 00, 80, 00, 00, EC, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A4, A9, 00, 00, 38, 80, 00, 00, C4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9C, AA, 00, 00, 10, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, FC, A4, 00, 00, 10, A5, 00, 00, E8, A4...
 
[+]

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{531424a9-a823-423c-b371-192e15bedef9}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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