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{a4443b5b-ce03-4aac-a749-803d56679b24}gw64.sys

Dolphin Deals

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {a4443b5b-ce03-4aac-a749-803d56679b24}gw64.sys by Dolphin Deals has been detected as adware by 24 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{a4443b5b-ce03-4aac-a749-803d56679b24}Gw64”. 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 Dolphin Deals)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
e6683bb85eac29e807f052f07b3b8cff

SHA-1:
6abdb9cfe393b305e6bfdb54d5aada8ba166d3ad

SHA-256:
8814b457f3d92257d536fdd5fd241fd35bd3ede7d915d7117f17881d4262b2ea

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/23/2024 9:40:49 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
6496598

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.02.01

avast!
Win64:BrowseFox-C [PUP]
150101-1

AVG
Generic
2016.0.3213

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.155

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21511

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
9.0.0.4799

ESET NOD32
Win64/BrowseFox.H potentially unwanted application
7.0.302.0

F-Prot
W64/A-59c9c70a
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
5.13.68

G Data
Adware.SwiftBrowse.CH
15.1.25

K7 AntiVirus
Adware
13.193.14818

McAfee
Trojan.Artemis!E6683BB85EAC
16.8.708.2

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.93

Norman
Adware.SwiftBrowse.CH
03.12.2014 13:20:04

nProtect
Adware.SwiftBrowse.CH
15.01.30.01

Reason Heuristics
PUP.DolphinDeals
15.1.31.7

SUPERAntiSpyware
Adware.BrowseFox/Variant
10082

Trend Micro House Call
HS_BROWSEFOX.SM
7.2.31

Trend Micro
HS_BROWSEFOX.SM
10.465.31

VIPRE Antivirus
Trojan.Win32.Generic
37128

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2049

File size:
47.7 KB (48,840 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{a4443b5b-ce03-4aac-a749-803d56679b24}gw64.sys

Digital Signature
Signed by:
Dolphin Deals

Authority:
VeriSign, Inc.

Valid from:
4/28/2014 8:00:00 PM

Valid to:
4/29/2015 7:59:59 PM

Subject:
CN=Dolphin Deals, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Dolphin Deals, 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:
7B2BB0FC5A785F21B05232FFFBC2969A

File PE Metadata
Compilation timestamp:
1/29/2015 3:33:47 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lZ7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3bhV:rFID6EGnLA8AFJTNEVmD/

Entry address:
0xC064

Entry point:
48, 83, EC, 28, 4C, 8B, C2, 4C, 8B, C9, E8, 95, FF, FF, FF, 49, 8B, D0, 49, 8B, C9, 48, 83, C4, 28, E9, E2, 50, FF, FF, CC, CC, 78, C2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 54, C6, 00, 00, A0, 91, 00, 00, 28, C1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, DA, CA, 00, 00, 50, 90, 00, 00, D8, C0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, D2, CB, 00, 00, 00, 90, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, CB, 00, 00, 00, 00, 00, 00, A2, CB, 00, 00...
 
[+]

Entropy:
6.3933

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{a4443b5b-ce03-4aac-a749-803d56679b24}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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