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{bf07813e-aac8-4cea-bf69-7178c16076ac}w.sys

EnterDigital

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {bf07813e-aac8-4cea-bf69-7178c16076ac}w.sys by EnterDigital has been detected as adware by 20 anti-malware scanners. It runs as a Windows kernel mode device driver named “{bf07813e-aac8-4cea-bf69-7178c16076ac}w”. 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 EnterDigital)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
e82d6aaac2f387d6256bc8d968ce45a4

SHA-1:
91ac3f002cd5b74c50e491fe0d0e33cf6a63d361

SHA-256:
2d96a68271cad7940a9ea79918bac2b75de8c1bad4a6cc0d1b8f34cb00f1daae

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/26/2024 11:04:32 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
775

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.188.128

AVG
EnterDigital
2015.0.3253

Bitdefender
Adware.BrowseFox.V
1.0.20.1780

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/21511

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20185

Dr.Web
Tool.NetFilter.313
9.0.1.0356

Emsisoft Anti-Malware
Adware.BrowseFox.V
8.14.12.22.02

F-Prot
W32/A-76f53fd6
v6.4.7.1.166

F-Secure
Adware.BrowseFox.V
11.2014-22-12_2

G Data
Adware.BrowseFox
14.12.24

MicroWorld eScan
Adware.BrowseFox.V
15.0.0.1068

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.6.63726

nProtect
Adware.BrowseFox.V
14.11.24.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.EnterDigital.k
14.12.22.2

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
35096

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1992

File size:
42.1 KB (43,152 bytes)

Product version:
1.4.4.6

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{bf07813e-aac8-4cea-bf69-7178c16076ac}w.sys

Digital Signature
Signed by:
EnterDigital

Authority:
VeriSign, Inc.

Valid from:
9/2/2014 4:30:00 AM

Valid to:
9/3/2015 4:29:59 AM

Subject:
CN=EnterDigital, O=EnterDigital, 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:
1E3B5C4453E4282F35D4B16FE677D245

File PE Metadata
Compilation timestamp:
11/22/2014 6:55:49 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:HN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddKxdE:thUcpH/0+LCf7EziDHhdD

Entry address:
0xA03E

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 20, 70, FF, FF, CC, CC, 94, A1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, CE, A4, 00, 00, E0, 80, 00, 00, B4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 24, A5, 00, 00, 00, 80, 00, 00, EC, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, A4, A9, 00, 00, 38, 80, 00, 00, C4, A0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 9C, AA, 00, 00, 10, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, FC, A4, 00, 00, 10, A5, 00, 00, E8, A4...
 
[+]

Entropy:
6.6151

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{bf07813e-aac8-4cea-bf69-7178c16076ac}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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