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{e6ca9971-30ed-444a-9489-82fca50b2062}gw64.sys

App Bud

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {e6ca9971-30ed-444a-9489-82fca50b2062}gw64.sys by App Bud has been detected as adware by 23 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{e6ca9971-30ed-444a-9489-82fca50b2062}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 App Bud)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
cd89e5eb0573b7612f3e2dd5c28c50d0

SHA-1:
4ef64c1fb09d31b41ed69259aea608f1f5fd06de

SHA-256:
4377768163acbaa4adf06bc57b8e24a49e85cc0095a8dd69ddf398ade5f9d288

Scanner detections:
23 / 68

Status:
Adware

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

Analysis date:
5/4/2024 5:00:51 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
859

Agnitum Outpost
Riskware.NetFilter
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.30

AVG
Generic
2015.0.3337

Baidu Antivirus
Trojan.Win64.Riskware.BNetFilter
4.0.3.14928

Bitdefender
Adware.SwiftBrowse.BV
1.0.20.1355

Clam AntiVirus
Win.Adware.Swiftbrowse-284
0.98/21411

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.0271

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.14.09.28.04

ESET NOD32
Win64/BrowseFox.CG potentially unwanted application
8.7.0.302.0

Fortinet FortiGate
Riskware/NetFilter
9/28/2014

F-Prot
W64/A-abca7297
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.BV
11.2014-28-09_1

G Data
Adware.SwiftBrowse.BV
14.9.24

herdProtect (fuzzy)
variant of {e6ca9971-30ed-444a-9489-82fca50b2062}w64.sys (Adware)
2014.12.10.2

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

McAfee
Artemis!ADA65715AC4F
5600.6993

MicroWorld eScan
Adware.SwiftBrowse.BV
15.0.0.813

nProtect
Adware.SwiftBrowse.BV
14.09.29.01

Reason Heuristics
PUP.AppBud.n
14.9.28.16

Sophos
BrowseSmart
4.98

VIPRE Antivirus
Trojan.Win32.Generic
33538

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1908

File size:
47.6 KB (48,776 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\{e6ca9971-30ed-444a-9489-82fca50b2062}gw64.sys

Digital Signature
Signed by:
App Bud

Authority:
VeriSign, Inc.

Valid from:
7/29/2014 2:00:00 AM

Valid to:
7/30/2015 1:59:59 AM

Subject:
CN=App Bud, O=App Bud, 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:
0A0CA50CF2224C71789EEF06C8E73F38

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:l67G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3Ga5A:IFID6EGnLA8AFJTNEVmDG/

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...
 
[+]

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{e6ca9971-30ed-444a-9489-82fca50b2062}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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.