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{1de0dec0-675e-482f-a756-fd24c6796c8e}w.sys

TopicTron

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {1de0dec0-675e-482f-a756-fd24c6796c8e}w.sys by TopicTron 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 “{1de0dec0-675e-482f-a756-fd24c6796c8e}w”.
Publisher:
StdLib  (signed by TopicTron)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
ff85eb9b14df8af2b6cc2e81110efca7

SHA-1:
5d28edd5015c5539fc2f7c9cf4afd76c11f9ac8f

SHA-256:
69959bb8b6dfb7513d5d547efd5595f02a8cb0cb02142c624547a67c0c63cd4f

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 12:48:39 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.7.16

File size:
42.2 KB (43,200 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\{1de0dec0-675e-482f-a756-fd24c6796c8e}w.sys

Digital Signature
Signed by:
TopicTron

Authority:
VeriSign, Inc.

Valid from:
3/19/2014 7:00:00 AM

Valid to:
3/20/2015 6:59:59 AM

Subject:
CN=TopicTron, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=TopicTron, 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:
525F682B2D8B1E0BB71F3041A3873EB2

File PE Metadata
Compilation timestamp:
2/7/2015 6:33:58 PM

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:
6.6158

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{1de0dec0-675e-482f-a756-fd24c6796c8e}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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