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{c3338013-10e4-4bfa-977c-d3f18abe6f4f}w.sys

Ttessab

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {c3338013-10e4-4bfa-977c-d3f18abe6f4f}w.sys by Ttessab has been detected as adware by 20 anti-malware scanners. It runs as a Windows kernel mode device driver named “{c3338013-10e4-4bfa-977c-d3f18abe6f4f}w”. 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:
afad45f5ff29254030dac0e0892eaf76

SHA-1:
522e0a3305efa4241a8ee04b0c3e741bd76c5380

SHA-256:
a0d9b643009436d322a0fd471270a15509f02e4a2cb504b0cc5b4c28b80bd18a

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/19/2024 10:42:35 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
5831905

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.188.128

AVG
Generic
2015.0.3280

Bitdefender
Adware.BrowseFox.V
1.0.20.1640

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/21511

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20185

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.V
9.0.0.4570

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
11.2014-24-11_2

G Data
Adware.BrowseFox
14.11.24

MicroWorld eScan
Adware.BrowseFox.V
15.0.0.984

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.6.63726

nProtect
Adware.BrowseFox.V
14.11.24.01

Reason Heuristics
PUP.Ttessab.k
14.11.24.16

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
35088

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1992

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)

Common path:
C:\Windows\System32\drivers\{c3338013-10e4-4bfa-977c-d3f18abe6f4f}w.sys

Digital Signature
Signed by:
Ttessab

Authority:
VeriSign, Inc.

Valid from:
9/19/2013 4:00:00 AM

Valid to:
9/20/2015 3:59:59 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:
11/24/2014 6:24:16 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:uN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddW+:ShUcpH/0+LCf7EziDHhdF

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:
{c3338013-10e4-4bfa-977c-d3f18abe6f4f}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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