{e6ca9971-30ed-444a-9489-82fca50b2062}w64.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}w64.sys by App Bud has been detected as adware by 22 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{e6ca9971-30ed-444a-9489-82fca50b2062}w64”. 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:
b5567eab9081bd334898853e389c31fe

SHA-1:
cf6d3fb04c424681ba8b6bfb6009dad15042ca59

SHA-256:
878150b10482a9c6423f85df5f602cb0a441ac37157ee020ddf4dd35d16a3929

Scanner detections:
22 / 68

Status:
Adware

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

Analysis date:
4/24/2024 1:18:48 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
5823642

Agnitum Outpost
Riskware.NetFilter
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.30

AVG
Generic
2015.0.3283

Baidu Antivirus
Trojan.Win64.Riskware.BNetFilter
4.0.3.141122

Bitdefender
Adware.SwiftBrowse.BV
1.0.20.1630

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

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
9.0.0.4570

ESET NOD32
Win64/BrowseFox.CG potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/NetFilter
11/22/2014

F-Prot
W64/A-abca7297
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.BV
11.2014-22-11_7

G Data
Adware.SwiftBrowse.BV
14.11.24

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

McAfee
Artemis!ADA65715AC4F
5600.6939

MicroWorld eScan
Adware.SwiftBrowse.BV
15.0.0.978

nProtect
Adware.SwiftBrowse.BV
14.09.29.01

Reason Heuristics
PUP.AppBud.m
14.11.22.0

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}w64.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
7/28/2014 8:00:00 PM

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

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 3:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lh7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3Ga5LS:7FID6EGnLA8AFJTNEVmDGB

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:
6.3934

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{e6ca9971-30ed-444a-9489-82fca50b2062}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI