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{f9d2f209-1697-4837-85f2-d88e4c9f7c81}t.sys

wisen wizard

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {f9d2f209-1697-4837-85f2-d88e4c9f7c81}t.sys by wisen wizard has been detected as adware by 24 anti-malware scanners. It runs as a Windows kernel mode device driver named “{f9d2f209-1697-4837-85f2-d88e4c9f7c81}t”. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages.
Publisher:
StdLib  (signed by wisen wizard)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
ec27e718e5d5cd7da7e39749fa44705e

SHA-1:
9382b1554e1da8f9f8257aab9e5f1b2a64bd2740

SHA-256:
5a4ec4f235c3a52dbbb0e8b43ca72d52265d46da98bb1067b4a086a7a6262636

Scanner detections:
24 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
4/25/2024 9:30:54 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.O
355

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.15
7.11.185.18

AVG
Wiswiz
2017.0.2833

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16215

Bitdefender
Adware.SwiftBrowse.O
1.0.20.230

Bkav FE
W32.BrowseFoxJ.Adware
1.3.0.4959

Clam AntiVirus
Win.Adware.Netfilter-130
0.98/21411

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20070

Dr.Web
Trojan.BPlug.123
9.0.1.046

Emsisoft Anti-Malware
Adware.SwiftBrowse.O
8.16.02.15.04

ESET NOD32
Win64/BrowseFox.BR (variant)
10.10717

F-Prot
W32/A-dd00b781
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.O
11.2016-15-02_2

G Data
Adware.SwiftBrowse
16.2.24

IKARUS anti.virus
PUA.RiskWare.NetFilter
t3scan.1.8.3.0

MicroWorld eScan
Adware.SwiftBrowse.O
17.0.0.138

NANO AntiVirus
Riskware.Win32.NetFilter.dgqvkd
0.28.6.63362

nProtect
Adware.SwiftBrowse.O
14.11.13.01

Reason Heuristics
PUP.Yontoo.wisenwizard (M)
16.2.15.4

Sophos
WISEN WIZARD
4.98

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
34232

Zillya! Antivirus
Adware.Yotoon.Win64.10
2.0.0.1982

File size:
53.9 KB (55,232 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\{f9d2f209-1697-4837-85f2-d88e4c9f7c81}t.sys

Digital Signature
Signed by:
wisen wizard

Authority:
VeriSign, Inc.

Valid from:
11/26/2013 6:00:00 PM

Valid to:
11/27/2014 5:59:59 PM

Subject:
CN=wisen wizard, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=wisen wizard, 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:
60C10E74C549776A696451A95399F2D5

File PE Metadata
Compilation timestamp:
1/30/2014 6:46:38 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:VzbP7EDNtMTw/RWDjR/McKV5qEXGBJgxgZ+4AOmvtnBU6+RR0UV:xP7EJSTukuzTrGYs+JNBUtR5V

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:
6.3479

Code size:
36.3 KB (37,120 bytes)

Driver
Display name:
{f9d2f209-1697-4837-85f2-d88e4c9f7c81}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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