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{d09eec19-10f5-44bd-a92a-cdd3ee45f8a8}gw64.sys

loffinam

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {d09eec19-10f5-44bd-a92a-cdd3ee45f8a8}gw64.sys by loffinam has been detected as adware by 28 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{d09eec19-10f5-44bd-a92a-cdd3ee45f8a8}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 loffinam)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
d918432172a7cbefd8faba4dcd4b537f

SHA-1:
1526dd9e3ff0dd68a29ac8fffb7e025eb189e447

SHA-256:
e08aab76aaa40714867a1b66c4de0f5f61a9ea059be3a07a4e73d8b682e02830

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/25/2024 10:21:05 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
356

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.25

Avira AntiVirus
APPL/BrowseFox.zta
7.11.171.22

avast!
Win64:Malware-gen
2014.9-160214

AVG
Generic
2017.0.2834

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16214

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.225

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

Comodo Security
UnclassifiedMalware
18740

Dr.Web
Trojan.BPlug.123
9.0.1.045

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.16.02.14.12

ESET NOD32
Win64/BrowseFox.BI (variant)
10.10586

Fortinet FortiGate
Adware/BrowseFox
2/14/2016

F-Prot
W64/A-abca7297
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2016-14-02_1

G Data
Adware.SwiftBrowse.CH
16.2.24

IKARUS anti.virus
PUA.RiskWare.NetFilter
t3scan.1.7.8.0

Malwarebytes
PUP.Optional.NetFilter
v2016.02.14.12

McAfee
Artemis!39360E6C6F40
5600.6490

MicroWorld eScan
Adware.SwiftBrowse.CH
17.0.0.135

nProtect
Adware.SwiftBrowse.CH
14.10.19.01

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.Yontoo.loffinam (M)
16.2.14.0

Sophos
BrowseSmart
4.98

Trend Micro House Call
TROJ_GEN.F47V0523
7.2.45

VIPRE Antivirus
Trojan.Win32.Generic
34066

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1913

File size:
59.7 KB (61,112 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{d09eec19-10f5-44bd-a92a-cdd3ee45f8a8}gw64.sys

Digital Signature
Signed by:
loffinam

Authority:
VeriSign, Inc.

Valid from:
11/14/2013 1:00:00 AM

Valid to:
11/15/2014 12:59:59 AM

Subject:
CN=loffinam, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=loffinam, 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:
22B7A9A338918FF4849948EF0C908FAA

File PE Metadata
Compilation timestamp:
8/7/2014 1:52:18 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:Wot2dxF9O8ZF33iqiIy9387Hp9XcfBzSowidIO+8da:W9JRicy938Lp9eW1jN

Entry address:
0xF064

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, 2E, 20, FF, FF, CC, CC, 38, F2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, F6, 00, 00, 60, C1, 00, 00, 28, F1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, F9, 00, 00, 50, C0, 00, 00, D8, F0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, FA, 00, 00, 00, C0, 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, 9A, FA, 00, 00, 00, 00, 00, 00, 86, FA, 00, 00...
 
[+]

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{d09eec19-10f5-44bd-a92a-cdd3ee45f8a8}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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