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{a07cab0d-bb20-4922-b4b1-623b31955e91}gw.sys

Score Escape

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {a07cab0d-bb20-4922-b4b1-623b31955e91}gw.sys by Score Escape has been detected as adware by 24 anti-malware scanners. It runs as a Windows kernel mode device driver named “{a07cab0d-bb20-4922-b4b1-623b31955e91}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 Score Escape)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
b6c81b1ad7d8cd75e5cefe5dc8ef6764

SHA-1:
c0c5a39ae054c386ded767bc6b5bc628e4b06450

SHA-256:
3148a1d17f4d5bf1f13d75b48bc0e9f399ccd03d69dab7933611fb0247c41b96

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/26/2024 8:26:48 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
6764508

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.214.42

AVG
Generic
2016.0.3179

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.1536

Bitdefender
Adware.BrowseFox.V
1.0.20.325

Bkav FE
W32.HfsAdware
1.3.0.6379

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

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
21311

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.V
9.0.0.4799

ESET NOD32
Win32/NetFilter.A potentially unsafe 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
15.3.25

herdProtect (fuzzy)
variant of {1a1d3262-ea38-4e09-b480-4c4c56f4843c}gw.sys (Adware)
2015.6.12.19

K7 AntiVirus
Unwanted-Program
13.200.15179

MicroWorld eScan
Adware.BrowseFox.V
16.0.0.195

Norman
Adware.BrowseFox.V
03.12.2014 13:20:04

nProtect
Adware.BrowseFox.V
15.03.06.01

Reason Heuristics
PUP.Yontoo
15.3.6.5

Vba32 AntiVirus
AdWare.Zaitu
3.12.26.3

VIPRE Antivirus
Threat.4150696
38050

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.2089

File size:
42.1 KB (43,160 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\{a07cab0d-bb20-4922-b4b1-623b31955e91}gw.sys

Digital Signature
Signed by:
Score Escape

Authority:
VeriSign, Inc.

Valid from:
11/20/2014 1:00:00 AM

Valid to:
11/21/2015 12:59:59 AM

Subject:
CN=Score Escape, O=Score Escape, 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:
25CB66244AB8F8010320787E6DE910E3

File PE Metadata
Compilation timestamp:
2/16/2015 5:31:48 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:MN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddigBB:EhUcpH/0+LCf7EziDHhdVBB

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:
{a07cab0d-bb20-4922-b4b1-623b31955e91}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


Remove {a07cab0d-bb20-4922-b4b1-623b31955e91}gw.sys - Powered by Reason Core Security
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