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{b0c7827f-c845-429a-833b-c2a798fc4fc3}w.sys

AdvanceElite

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {b0c7827f-c845-429a-833b-c2a798fc4fc3}w.sys by AdvanceElite has been detected as adware by 24 anti-malware scanners. It runs as a Windows kernel mode device driver named “{b0c7827f-c845-429a-833b-c2a798fc4fc3}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 AdvanceElite)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
a5856c570e2f79c156696deb3ca9b5b4

SHA-1:
76db34668d06c2f8a611a9bde766db8b0783efc8

SHA-256:
0c2d6e6e24721afc1e2d37d56abc562bedcadf1e8d63bf9332e7ee807d9935b3

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/19/2024 6:54:18 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.NetFilter.H
804

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.182.186

AVG
Generic
2015.0.3282

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141123

Bitdefender
Adware.NetFilter.H
1.0.20.1635

Clam AntiVirus
Win.Adware.Netfilter-134
0.98/21411

Dr.Web
Tool.NetFilter.313
9.0.1.0327

Emsisoft Anti-Malware
Adware.NetFilter
8.14.11.23.10

ESET NOD32
Win64/BrowseFox (variant)
8.10655

Fortinet FortiGate
Adware/BrowseFox
11/23/2014

F-Prot
W32/A-248e95ab
v6.4.7.1.166

F-Secure
Adware.NetFilter.H
11.2014-23-11_1

G Data
Adware.NetFilter
14.11.24

McAfee
Artemis!A5856C570E2F
5600.6938

MicroWorld eScan
Adware.NetFilter.H
15.0.0.981

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.6.62995

nProtect
Adware.NetFilter.H
14.10.31.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.AdvanceElite.k
14.11.23.10

Sophos
Generic PUA DD
4.98

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
34432

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1973

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\{b0c7827f-c845-429a-833b-c2a798fc4fc3}w.sys

Digital Signature
Signed by:
AdvanceElite

Authority:
VeriSign, Inc.

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

Valid to:
9/2/2015 8:59:59 PM

Subject:
CN=AdvanceElite, O=AdvanceElite, 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:
4E2E56B75E7E0844E10D5BE52CDF0E39

File PE Metadata
Compilation timestamp:
9/22/2014 4:01:51 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:hN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJdd3kFAi:jhUcpH/0+LCf7EziDHhdab

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...
 
[+]

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{b0c7827f-c845-429a-833b-c2a798fc4fc3}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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