{4cff408a-d9e7-47c3-a711-95133fcf7f45}w64.sys

Solution Real

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {4cff408a-d9e7-47c3-a711-95133fcf7f45}w64.sys by Solution Real has been detected as adware by 24 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{4cff408a-d9e7-47c3-a711-95133fcf7f45}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 Solution Real)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
fc0db5984e202fa564b310ed9f12300d

SHA-1:
f1f0719b546b75b746f08364f15bd54b01e7cb93

SHA-256:
22227e37682d166bffa0058653181e827d22283ab7102236c9522ece93ce785c

Scanner detections:
24 / 68

Status:
Adware

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

Analysis date:
4/19/2024 1:47:35 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
734

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
Adware/BrowseFox.zeq
7.11.205.178

AVG
Generic
2016.0.3212

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.1521

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.160

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

Dr.Web
Tool.NetFilter.313
9.0.1.032

ESET NOD32
Win64/BrowseFox.CG (variant)
9.11087

Fortinet FortiGate
Adware/BrowseFox
2/1/2015

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

F-Secure
Adware.SwiftBrowse.CH
11.2015-01-02_1

G Data
Adware.SwiftBrowse.CH
15.2.25

K7 AntiVirus
Adware
13.193.14786

McAfee
Artemis!FC0DB5984E20
5600.6868

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.96

NANO AntiVirus
Riskware.Win64.NetFilter.dmuqnc
0.30.0.65070

nProtect
Adware.SwiftBrowse.CH
15.01.28.01

Qihoo 360 Security
Win32/Virus.Adware.21f
1.0.0.1015

Reason Heuristics
PUP.Yontoo
15.2.5.12

Trend Micro House Call
Suspicious_GEN.F47V0123
7.2.32

Trend Micro
HS_BROWSEFOX.SM
10.465.01

VIPRE Antivirus
Trojan.Win32.Generic
37042

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2048

File size:
47.6 KB (48,792 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\{4cff408a-d9e7-47c3-a711-95133fcf7f45}w64.sys

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
11/20/2014 12:00:00 AM

Valid to:
11/20/2015 11:59:59 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:
1/21/2015 6:42:59 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:l97G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3pQmi:bFID6EGnLA8AFJTNEVmDQ

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:
6.3910

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{4cff408a-d9e7-47c3-a711-95133fcf7f45}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI