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{3759393c-3239-4ec3-a363-d3db373d6b7d}w64.sys

illoxum

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {3759393c-3239-4ec3-a363-d3db373d6b7d}w64.sys by illoxum 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 “{3759393c-3239-4ec3-a363-d3db373d6b7d}w64”.
Publisher:
StdLib  (signed by illoxum)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
3fcac3eb22a01096d5f950d4b52a9ac4

SHA-1:
f3374e53a754425ae4e54c1cd3e12c1c4c359941

SHA-256:
fcb7515bacc4f86283939fa6850d2b4918bd809cf4bc9388708944cc0c42f384

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:
11/27/2024 5:00:30 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.illoxum (M)
16.7.29.8

File size:
59.7 KB (61,112 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{3759393c-3239-4ec3-a363-d3db373d6b7d}w64.sys

Digital Signature
Signed by:
illoxum

Authority:
VeriSign, Inc.

Valid from:
8/20/2013 7:00:00 PM

Valid to:
8/20/2015 6:59:59 PM

Subject:
CN=illoxum, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=illoxum, 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:
20A254C9F30D2A8E669A8E5FBB2F4EB6

File PE Metadata
Compilation timestamp:
1/30/2014 6:45:30 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:qot2dxF9O8ZF33iqiIy938bWp9XcfBvJkowidI3f:q9JRicy938ip9ea1jP

Entry address:
0xF064

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, 2E, 20, FF, FF, CC, CC, 38, F2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, F6, 00, 00, 60, C1, 00, 00, 28, F1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, F9, 00, 00, 50, C0, 00, 00, D8, F0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, FA, 00, 00, 00, C0, 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, 9A, FA, 00, 00, 00, 00, 00, 00, 86, FA, 00, 00...
 
[+]

Entropy:
5.9648

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{3759393c-3239-4ec3-a363-d3db373d6b7d}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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