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{55bbc577-fb0b-4e77-8a51-e033716a9ead}w64.sys

AppEnable

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {55bbc577-fb0b-4e77-8a51-e033716a9ead}w64.sys by AppEnable has been detected as adware by 20 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{55bbc577-fb0b-4e77-8a51-e033716a9ead}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 AppEnable)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
6e48db016475f88a7445139c9ba454eb

SHA-1:
9645bc1f778db4c840db9565292282756b67b5b1

SHA-256:
c91f82eb6c2a445d1d2f1ec381022f203467f7daee836cacdfc83e139bcbe585

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/25/2024 1:12:24 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
805

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
Adware/BrowseFox.aok
7.11.187.222

AVG
Generic
2015.0.3283

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141122

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1630

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

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.14.11.22.12

ESET NOD32
Win64/BrowseFox.CG (variant)
8.10757

Fortinet FortiGate
Adware/BrowseFox
11/22/2014

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

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

G Data
Adware.SwiftBrowse.CH
14.11.24

McAfee
Artemis!6E48DB016475
5600.6939

MicroWorld eScan
Adware.SwiftBrowse.CH
15.0.0.978

NANO AntiVirus
Riskware.Win64.NetFilter.djcqaa
0.28.6.63474

nProtect
Adware.SwiftBrowse.CH
14.11.20.01

Reason Heuristics
PUP.AppEnable.m
14.11.22.0

Trend Micro House Call
Suspicious_GEN.F47V1119
7.2.326

VIPRE Antivirus
Trojan.Win32.Generic
34972

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\{55bbc577-fb0b-4e77-8a51-e033716a9ead}w64.sys

Digital Signature
Signed by:
AppEnable

Authority:
VeriSign, Inc.

Valid from:
9/1/2014 8:00:00 PM

Valid to:
9/2/2015 7:59:59 PM

Subject:
CN=AppEnable, O=AppEnable, L=San Diego, 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:
6860DA46B7B1033AEAA52297BEEE857A

File PE Metadata
Compilation timestamp:
11/16/2014 7:32:44 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lx7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3+6KJp:vFID6EGnLA8AFJTNEVmD7KJp

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:
6.3937

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{55bbc577-fb0b-4e77-8a51-e033716a9ead}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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