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{35284308-7481-4fe5-9c81-d7bfa853bfd4}gw.sys

Ttessab

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {35284308-7481-4fe5-9c81-d7bfa853bfd4}gw.sys by Ttessab has been detected as adware by 22 anti-malware scanners. It runs as a Windows kernel mode device driver named “{35284308-7481-4fe5-9c81-d7bfa853bfd4}Gw”. 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 Ttessab)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
b2e6bbb3b298ba695b8209ece0301d82

SHA-1:
a54d1bc2f8f614359ea39d195f38d66168f868bf

SHA-256:
a0c75a4cc81a5716c9302e97f5d3e6ddcbfa7ac8d2ff9242c47741b78d8553c1

Scanner detections:
22 / 68

Status:
Adware

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

Analysis date:
4/19/2024 4:43:27 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
6212523

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.197.26

AVG
Generic
2015.0.3253

Bitdefender
Adware.BrowseFox.V
1.0.20.1775

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/19817

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20434

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.V
9.0.0.4668

ESET NOD32
Win64/BrowseFox.U potentially unwanted application
7.0.302.0

F-Prot
W32/A-76f53fd6
v6.4.7.1.166

F-Secure
Adware.BrowseFox.V
5.13.68

G Data
Adware.BrowseFox
14.12.24

K7 AntiVirus
Unwanted-Program
13.188.14395

MicroWorld eScan
Adware.BrowseFox.V
15.0.0.1065

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.6.64267

Norman
Adware.BrowseFox.V
04.12.2014 14:30:06

nProtect
Adware.BrowseFox.V
14.12.19.01

Reason Heuristics
PUP.Ttessab.l
14.12.21.12

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
35418

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.2012

File size:
42.2 KB (43,192 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\{35284308-7481-4fe5-9c81-d7bfa853bfd4}gw.sys

Digital Signature
Signed by:
Ttessab

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 2:00:00 AM

Valid to:
9/20/2015 1:59:59 AM

Subject:
CN=Ttessab, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Ttessab, 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:
198AA4CA33AF1FC06C47646A032C938B

File PE Metadata
Compilation timestamp:
12/21/2014 5:22:54 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:+N0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddTESC:ChUcpH/0+LCf7EziDHhdKSC

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...
 
[+]

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{35284308-7481-4fe5-9c81-d7bfa853bfd4}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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