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{2f0ff925-183b-4210-98f5-cb2ffd917f2b}gw64.sys

Adanak

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {2f0ff925-183b-4210-98f5-cb2ffd917f2b}gw64.sys by Adanak has been detected as adware by 28 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{2f0ff925-183b-4210-98f5-cb2ffd917f2b}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 Adanak)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
11b0725247cc4b5130c2616a725e5cf0

SHA-1:
014c0a977e2f7fc6c7c9a39255b59c05f97a3493

SHA-256:
34fe70f9ec19bcd9b8650e2089812110f58b59157ab717d9411bce0316da3c65

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/19/2024 3:52:13 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
826

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.08.26

avast!
Win64:Malware-gen
2014.9-141101

AVG
Generic
2015.0.3304

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14111

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1525

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21411

Comodo Security
UnclassifiedMalware
18740

Dr.Web
Tool.NetFilter.313
9.0.1.0305

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.14.11.01.06

ESET NOD32
Win64/BrowseFox.AB (variant)
8.10624

Fortinet FortiGate
Adware/BrowseFox
11/1/2014

F-Prot
W64/A-bd57be8c
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2014-01-11_7

G Data
Adware.SwiftBrowse.CH
14.11.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

Malwarebytes
PUP.Optional.NetFilter
v2014.11.01.06

McAfee
Artemis!11B0725247CC
5600.6960

MicroWorld eScan
Adware.SwiftBrowse.CH
15.0.0.915

NANO AntiVirus
Riskware.Win64.NetFilter.dhavfe
0.28.2.62841

nProtect
Adware.SwiftBrowse.CH
14.10.26.01

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.Adanak.n
14.11.1.6

Sophos
BrowseSmart
4.98

Trend Micro House Call
TROJ_GEN.F47V0523
7.2.305

VIPRE Antivirus
Trojan.Win32.Generic
34268

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1901

File size:
47.7 KB (48,824 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\{2f0ff925-183b-4210-98f5-cb2ffd917f2b}gw64.sys

Digital Signature
Signed by:
Adanak

Authority:
VeriSign, Inc.

Valid from:
4/22/2014 2:00:00 AM

Valid to:
4/23/2015 1:59:59 AM

Subject:
CN=Adanak, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Adanak, 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:
54EAA4FDDD0AEB1183ED278A995C36F7

File PE Metadata
Compilation timestamp:
9/22/2014 9:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:ly7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3/d5v:0FID6EGnLA8AFJTNEVmD/Dv

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:
6.3926

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{2f0ff925-183b-4210-98f5-cb2ffd917f2b}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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