{735c7dda-e3b7-44f2-8521-a39cc0d289b2}t.sys

DoughGo

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {735c7dda-e3b7-44f2-8521-a39cc0d289b2}t.sys by DoughGo 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 “{735c7dda-e3b7-44f2-8521-a39cc0d289b2}t”.
Publisher:
StdLib  (signed by DoughGo)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
aeb5953a827e61c3cce30a937fdd73c5

SHA-1:
2bff30ba62a8382aa9b3b94617b70cabff60c57a

SHA-256:
fbd4c418ea27a2926a6d64bf52f66bf55f7cde55bc569f321680f06775102eeb

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:
4/25/2024 8:56:41 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.DoughGo (M)
16.2.1.15

File size:
53.9 KB (55,224 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\{735c7dda-e3b7-44f2-8521-a39cc0d289b2}t.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
1/9/2014 5:30:00 AM

Valid to:
1/10/2015 5:29:59 AM

Subject:
CN=DoughGo, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=DoughGo, 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:
43D6FB9D3D742CDE988B02EC2BD25188

File PE Metadata
Compilation timestamp:
1/31/2014 6:16:38 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:VobP7EDNtMTw/RWDjR/McKV5qEXGBJgxgZ+4AOmvtnBU6+RRgS:6P7EJSTukuzTrGYs+JNBUtR3

Entry address:
0xA73E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, CA, E3, FF, FF, CC, CC, B4, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 84, AB, 00, 00, 94, 90, 00, 00, A0, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BA, AB, 00, 00, 80, 90, 00, 00, AC, A7, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D6, AB, 00, 00, 8C, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A6, AB, 00, 00, 92, AB, 00, 00, 00, 00, 00, 00, C2, AB, 00, 00, 00, 00, 00, 00, AC, A8, 00, 00, C4, A8, 00, 00, D6, A8...
 
[+]

Entropy:
6.3483

Code size:
36.3 KB (37,120 bytes)

Driver
Display name:
{735c7dda-e3b7-44f2-8521-a39cc0d289b2}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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