home

{4cd43b17-66da-4083-84a6-95351168df77}gw.sys

BrowseSmart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {4cd43b17-66da-4083-84a6-95351168df77}gw.sys by BrowseSmart has been detected as adware by 23 anti-malware scanners. It runs as a Windows kernel mode device driver named “{4cd43b17-66da-4083-84a6-95351168df77}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 BrowseSmart)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
65502f95fc11ee63c644e0f0ee73f898

SHA-1:
5e737af69f418447e328c5c8c6d295a578e43295

SHA-256:
77a792ab01c18b9134d30973a4bd8b5b38f51d9905203a345d190167729ed8a5

Scanner detections:
23 / 68

Status:
Adware

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

Analysis date:
4/27/2024 2:32:32 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
355

Agnitum Outpost
PUA.BrowseFox
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.02.23

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.212.16

avast!
Win32:BrowseFox-GA [PUP]
2014.9-160215

AVG
BrowseSmart
2017.0.2833

Bitdefender
Adware.BrowseFox.V
1.0.20.230

Bkav FE
W32.HfsAdware
1.3.0.6379

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

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
21173

Emsisoft Anti-Malware
Adware.BrowseFox.V
8.16.02.15.09

ESET NOD32
Win64/BrowseFox.BY potentially unwanted application
10.7.0.302.0

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

F-Secure
Adware.BrowseFox.V
11.2016-15-02_2

G Data
Adware.BrowseFox
16.2.25

K7 AntiVirus
Unwanted-Program
13.197.15043

MicroWorld eScan
Adware.BrowseFox.V
17.0.0.138

Norman
Adware.BrowseFox.V
11.20160215

nProtect
Adware.BrowseFox.V
15.02.17.01

Reason Heuristics
PUP.Yontoo.BrowseSmart (M)
16.2.15.9

Vba32 AntiVirus
AdWare.Zaitu
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
37796

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.2078

File size:
42.2 KB (43,200 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\{4cd43b17-66da-4083-84a6-95351168df77}gw.sys

Digital Signature
Signed by:
BrowseSmart

Authority:
VeriSign, Inc.

Valid from:
9/27/2013 3:00:00 AM

Valid to:
9/28/2015 2:59:59 AM

Subject:
CN=BrowseSmart, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=BrowseSmart, 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:
2324196045B471D3A6A37CF9331711AB

File PE Metadata
Compilation timestamp:
7/15/2015 6:31:51 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:QN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddBYmS:YhUcpH/0+LCf7EziDHhdbS

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:
{4cd43b17-66da-4083-84a6-95351168df77}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


Remove {4cd43b17-66da-4083-84a6-95351168df77}gw.sys - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.