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{4fb14cf7-68ed-4851-b31a-2ffde2f748ba}gw.sys

snipsmart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {4fb14cf7-68ed-4851-b31a-2ffde2f748ba}gw.sys by snipsmart has been detected as adware by 25 anti-malware scanners. It runs as a Windows kernel mode device driver named “{4fb14cf7-68ed-4851-b31a-2ffde2f748ba}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 snipsmart)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
42874b381bfb1242d64815b1aa3d6863

SHA-1:
f240a6d92cf8ab63f5319cadb7083f2001661ca4

SHA-256:
83ce249418674c391124359213edd5c80bfd65914f721f98d39b27d550833cec

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
4/26/2024 2:15:59 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
801

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.188.58

AVG
Generic
2015.0.3279

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141126

Bitdefender
Adware.BrowseFox.V
1.0.20.1650

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

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20170

Dr.Web
Tool.NetFilter.313
9.0.1.0330

Emsisoft Anti-Malware
Adware.BrowseFox.V
8.14.11.26.10

ESET NOD32
Win64/BrowseFox.AG (variant)
8.10767

Fortinet FortiGate
Adware/BrowseFox
11/26/2014

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

F-Secure
Adware.BrowseFox.V
11.2014-26-11_4

G Data
Adware.BrowseFox
14.11.24

McAfee
Artemis!42874B381BFB
5600.6935

MicroWorld eScan
Adware.BrowseFox.V
15.0.0.990

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.6.63474

nProtect
Adware.BrowseFox.V
14.11.21.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.snipsmart.l
14.11.26.10

Sophos
Generic PUA PC
4.98

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
35046

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1991

File size:
42.1 KB (43,152 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\{4fb14cf7-68ed-4851-b31a-2ffde2f748ba}gw.sys

Digital Signature
Signed by:
snipsmart

Authority:
VeriSign, Inc.

Valid from:
8/5/2014 4:00:00 AM

Valid to:
8/6/2015 3:59:59 AM

Subject:
CN=snipsmart, O=snipsmart, 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:
44017A0654590E4048857CE5A4A44F1A

File PE Metadata
Compilation timestamp:
11/15/2014 12:25:16 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:MN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddFliAYh:EhUcpH/0+LCf7EziDHhdJiV

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...
 
[+]

Entropy:
6.6131

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{4fb14cf7-68ed-4851-b31a-2ffde2f748ba}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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