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{8fb17db9-fb10-4812-ae47-50cdd8254169}gw.sys

ToggleMark

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {8fb17db9-fb10-4812-ae47-50cdd8254169}gw.sys by ToggleMark 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 “{8fb17db9-fb10-4812-ae47-50cdd8254169}Gw”.
Publisher:
StdLib  (signed by ToggleMark)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
f71cba8b502124577353bf775b1e1a14

SHA-1:
c5c9eaaad8df47f16573889c1e7f30668fffe6c4

SHA-256:
24c939a6a35125e0a694dd8e745789a2ec02f920e95534de142b6641d4c0bc70

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:
12/25/2024 1:18:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.12.18

File size:
42.1 KB (43,152 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\{8fb17db9-fb10-4812-ae47-50cdd8254169}gw.sys

Digital Signature
Signed by:
ToggleMark

Authority:
VeriSign, Inc.

Valid from:
2/3/2015 7:00:00 PM

Valid to:
3/5/2016 6:59:59 PM

Subject:
CN=ToggleMark, O=ToggleMark, 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:
6C51D0FEC49096AAC622098F4A12E053

File PE Metadata
Compilation timestamp:
2/19/2016 9:22:08 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:
6.6152

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{8fb17db9-fb10-4812-ae47-50cdd8254169}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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