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{62b23f4d-1a77-4dc0-a311-9d8c70e16633}w.sys

Rad Rater

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {62b23f4d-1a77-4dc0-a311-9d8c70e16633}w.sys by Rad Rater has been detected as adware by 20 anti-malware scanners. It runs as a Windows kernel mode device driver named “{62b23f4d-1a77-4dc0-a311-9d8c70e16633}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 Rad Rater)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
45720a2641118b189fc0b3304fa0344b

SHA-1:
52c85082abe01f2bbcb999f785e7db0f7a77473b

SHA-256:
5385a8159225bdeb1a189376529ba5095ae0b21f7c8fc27b384a00c3f539fa95

Scanner detections:
20 / 68

Status:
Adware

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

Analysis date:
4/23/2024 6:31:03 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
5823642

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.188.28

AVG
Generic
2015.0.3283

Bitdefender
Adware.BrowseFox.V
1.0.20.1630

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

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20156

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.V
9.0.0.4570

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

F-Secure
Adware.BrowseFox.V
11.2014-22-11_7

G Data
Adware.BrowseFox
14.11.24

MicroWorld eScan
Adware.BrowseFox.V
15.0.0.978

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.6.63474

nProtect
Adware.BrowseFox.V
14.11.21.01

Qihoo 360 Security
Win32/Virus.Adware.618
1.0.0.1015

Reason Heuristics
PUP.RadRater.k
14.11.21.23

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
35010

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1990

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\{62b23f4d-1a77-4dc0-a311-9d8c70e16633}w.sys

Digital Signature
Signed by:
Rad Rater

Authority:
VeriSign, Inc.

Valid from:
8/5/2014 7:00:00 AM

Valid to:
8/6/2015 6:59:59 AM

Subject:
CN=Rad Rater, O=Rad Rater, 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:
71E08766F845C2A0709D2096C003F3B4

File PE Metadata
Compilation timestamp:
11/16/2014 6:24:10 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:4N0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJdd8c5:ghUcpH/0+LCf7EziDHhd95

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:
6.6150

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{62b23f4d-1a77-4dc0-a311-9d8c70e16633}w

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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