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{f480627a-e010-460f-bced-d9c509e0c3c5}t.sys

AtuZi

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {f480627a-e010-460f-bced-d9c509e0c3c5}t.sys by AtuZi has been detected as adware by 26 anti-malware scanners. It runs as a Windows kernel mode device driver named “{f480627a-e010-460f-bced-d9c509e0c3c5}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 AtuZi)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
93fd93ebbef2e241d71530470d61c87a

SHA-1:
d586daba2a1abbd08abc4da9f35de2d7aae59d9d

SHA-256:
93c16e39e5f76004d74f88aa06fad38a3d97d1d8cd2d8ba66972125e2e920bd8

Scanner detections:
26 / 68

Status:
Adware

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

Analysis date:
4/19/2024 11:12:23 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.AZ
6498366

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.02.01

Avira AntiVirus
Adware/BrowseFox.A.15
7.11.206.62

avast!
Win32:BrowseFox-EJ [PUP]
150129-1

AVG
Generic
2016.0.3213

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15131

Bitdefender
Adware.SwiftBrowse.AZ
1.0.20.155

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Netfilter-130
0.98/21511

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20908

Emsisoft Anti-Malware
Adware.SwiftBrowse.AZ
9.0.0.4799

ESET NOD32
Win32/RiskWare.NetFilter.E application
7.0.302.0

F-Prot
W32/A-b3b70cb0
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.AZ
5.13.68

G Data
Adware.SwiftBrowse.AZ
15.1.25

K7 AntiVirus
Unwanted-Program
13.193.14818

MicroWorld eScan
Adware.SwiftBrowse.AZ
16.0.0.93

Norman
Adware.SwiftBrowse.AZ
03.12.2014 13:20:04

nProtect
Adware.SwiftBrowse.AZ
15.01.30.01

Qihoo 360 Security
Win32/Virus.Adware.eb6
1.0.0.1015

Reason Heuristics
PUP.Yontoo
15.1.31.6

Sophos
PUA 'Browse Fox'
5.10

Vba32 AntiVirus
AdWare.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
36694

Zillya! Antivirus
Adware.Yotoon.Win64.10
2.0.0.2049

File size:
54.6 KB (55,864 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\{f480627a-e010-460f-bced-d9c509e0c3c5}t.sys

Digital Signature
Signed by:
AtuZi

Authority:
VeriSign, Inc.

Valid from:
4/17/2014 2:00:00 AM

Valid to:
4/18/2015 1:59:59 AM

Subject:
CN=AtuZi, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=AtuZi, 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:
1095EBEC0EFD96E9E4C801DCA0909C26

File PE Metadata
Compilation timestamp:
9/22/2014 9:01:43 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:bo6LohZZMITF7zKLV3fXoKKxaFtFkW4VIWPLqvH9EQZLN+p60CegTNqUve:bo6+pT1UvYDEHFV4nPe/kpvCeSqf

Entry address:
0xA9BE

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 2A, E4, FF, FF, CC, CC, 34, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, AE, 00, 00, 94, 93, 00, 00, 20, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3A, AE, 00, 00, 80, 93, 00, 00, 2C, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 56, AE, 00, 00, 8C, 93, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 26, AE, 00, 00, 12, AE, 00, 00, 00, 00, 00, 00, 42, AE, 00, 00, 00, 00, 00, 00, 2C, AB, 00, 00, 44, AB, 00, 00, 56, AB...
 
[+]

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{f480627a-e010-460f-bced-d9c509e0c3c5}t

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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