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{3bd202b6-51af-4fff-a406-c77ffd35d7bd}w.sys

Browsebeyond

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {3bd202b6-51af-4fff-a406-c77ffd35d7bd}w.sys by Browsebeyond has been detected as adware by 2 anti-malware scanners. It runs as a Windows kernel mode device driver named “{3bd202b6-51af-4fff-a406-c77ffd35d7bd}w”.
Publisher:
StdLib  (signed by Browsebeyond)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
1d1037840015cd72f82a447a6ec34193

SHA-1:
5c5634ebb931a9b3d0e7e0e9384025227de29087

SHA-256:
7b35afbd77586135ce2a831317a1de995747a3ddd600af1ec9583948c0a667fb

Scanner detections:
2 / 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:
4/26/2024 1:33:02 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Browsebeyond.k
14.10.31.6

VIPRE Antivirus
Trojan.Win32.Generic
29720

File size:
51.7 KB (52,928 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{3bd202b6-51af-4fff-a406-c77ffd35d7bd}w.sys

Digital Signature
Signed by:
Browsebeyond

Authority:
VeriSign, Inc.

Valid from:
10/7/2013 8:00:00 AM

Valid to:
10/8/2014 7:59:59 AM

Subject:
CN=Browsebeyond, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Browsebeyond, 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:
5B076B434A8E42452548957D9992702C

File PE Metadata
Compilation timestamp:
1/31/2014 8:45:28 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:QIsHpnKHCBSqUPJHKQpkJxpKwT2bcWiJmOtX3g2rp3lnrHUlS:nsHRKHLJqQpkYwTsiTtXxtolS

Entry address:
0xC03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 62, 50, FF, FF, CC, CC, 74, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BC, C4, 00, 00, C0, A0, 00, 00, B4, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 12, C5, 00, 00, 00, A0, 00, 00, EC, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, AE, C8, 00, 00, 38, A0, 00, 00, C4, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A6, C9, 00, 00, 10, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, EA, C4, 00, 00, FE, C4, 00, 00, D6, C4...
 
[+]

Entropy:
6.3563

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{3bd202b6-51af-4fff-a406-c77ffd35d7bd}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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