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{ce8c52fa-b21c-4a2d-9386-17b71d638152}w.sys

albrechto

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {ce8c52fa-b21c-4a2d-9386-17b71d638152}w.sys by albrechto 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 “{ce8c52fa-b21c-4a2d-9386-17b71d638152}w”.
Publisher:
StdLib  (signed by albrechto)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
250448d9b738b9820df271d4be53d502

SHA-1:
f8f95539eab49244f827c880eb6011ae81690e65

SHA-256:
b436e1f8eaf50b2a340fa3fcb44d6dc64692ecf6a0ce0c9462dbb5739e9c9ef8

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 6:15:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.8.0

File size:
42.2 KB (43,192 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Common path:
C:\Windows\System32\drivers\{ce8c52fa-b21c-4a2d-9386-17b71d638152}w.sys

Digital Signature
Signed by:
albrechto

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 2:00:00 AM

Valid to:
9/20/2015 1:59:59 AM

Subject:
CN=albrechto, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=albrechto, 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:
0AAC8B95EA7A39BA646CDEAEEB8F189B

File PE Metadata
Compilation timestamp:
12/7/2014 3:22:39 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

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...
 
[+]

Entropy:
6.6156

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{ce8c52fa-b21c-4a2d-9386-17b71d638152}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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