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{cd6e5b8a-1ec9-4ca2-b716-015081f83798}w.sys

Glomatron

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {cd6e5b8a-1ec9-4ca2-b716-015081f83798}w.sys by Glomatron 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 “{cd6e5b8a-1ec9-4ca2-b716-015081f83798}w”.
Publisher:
StdLib  (signed by Glomatron)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
9869f26a82848ae80e697a2a7f75170f

SHA-1:
017aca7545f7436166f2a047effee49f1986d14d

SHA-256:
14fde25e4ab65911e19ea6a6199591523ebeaae6d338e6d201fbc52454e97e3d

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:
4/19/2024 3:36:13 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.Glomatron (M)
15.10.1.20

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)

Common path:
C:\Windows\System32\drivers\{cd6e5b8a-1ec9-4ca2-b716-015081f83798}w.sys

Digital Signature
Signed by:
Glomatron

Authority:
VeriSign, Inc.

Valid from:
2/4/2014 3:00:00 AM

Valid to:
2/5/2015 2:59:59 AM

Subject:
CN=Glomatron, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Glomatron, 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:
69C9F9EB400285E909E4D59CB9FD1A45

File PE Metadata
Compilation timestamp:
11/30/2014 12:32:07 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:BN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddeKwpH:DhUcpH/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...
 
[+]

Entropy:
6.6138

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{cd6e5b8a-1ec9-4ca2-b716-015081f83798}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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