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{a5c25b9e-3974-4e91-9864-34f9aca33ff3}w.sys

Solution Real

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {a5c25b9e-3974-4e91-9864-34f9aca33ff3}w.sys by Solution Real has been detected as adware by 29 anti-malware scanners. It runs as a Windows kernel mode device driver named “{a5c25b9e-3974-4e91-9864-34f9aca33ff3}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 Solution Real)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
7e98fe36b4359229642054f0ae3c4f7e

SHA-1:
0c6db0d9be24b9208ac60eeccc80665cf69147ff

SHA-256:
47dcb413751c565ed56548205179b14a5f7710a392b47143e27cffb612a96bb7

Scanner detections:
29 / 68

Status:
Adware

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

Analysis date:
4/23/2024 7:37:40 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
578

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
ADWARE/BrowseFox.A.1227
3.6.1.96

avast!
Win32:BrowseFox-HA [PUP]
2014.9-150707

AVG
Generic
2016.0.3056

Bitdefender
Adware.BrowseFox.V
1.0.20.940

Bkav FE
W32.HfsAdware
1.3.0.6379

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

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
21845

Dr.Web
Trojan.Yontoo.1741
9.0.1.0188

Emsisoft Anti-Malware
Adware.BrowseFox.V
8.15.07.07.03

ESET NOD32
Win32/NetFilter.A potentially unsafe (variant)
9.11508

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

F-Secure
Adware.BrowseFox.V
11.2015-07-07_3

G Data
Adware.BrowseFox
15.7.25

K7 AntiVirus
Unwanted-Program
13.203.15658

Kaspersky
not-a-virus:AdWare.Win32.Yotoon
14.0.0.1774

McAfee
Artemis!7E98FE36B435
5600.6712

MicroWorld eScan
Adware.BrowseFox.V
16.0.0.564

nProtect
Adware.BrowseFox.V
15.04.20.01

Panda Antivirus
Trj/CI.A
15.07.07.03

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Quick Heal
AdWare.Yotoon.r6 (Not a Virus)
7.15.14.00

Reason Heuristics
PUP.Yontoo.SolutionReal (M)
15.7.7.3

Trend Micro House Call
TROJ_GEN.R08NC0PA215
7.2.188

Trend Micro
TROJ_GEN.R08NC0PA215
10.465.07

Vba32 AntiVirus
AdWare.Zaitu
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
39544

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.2145

File size:
42.1 KB (43,160 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\{a5c25b9e-3974-4e91-9864-34f9aca33ff3}w.sys

Digital Signature
Signed by:
Solution Real

Authority:
VeriSign, Inc.

Valid from:
11/19/2014 7:00:00 PM

Valid to:
11/20/2015 6:59:59 PM

Subject:
CN=Solution Real, O=Solution Real, 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:
2D886A33232B2B3A4824AA07AEF87094

File PE Metadata
Compilation timestamp:
12/29/2014 7:37:58 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:UN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddoO:MhUcpH/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:
6.6148

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{a5c25b9e-3974-4e91-9864-34f9aca33ff3}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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