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{22f5efb2-cf2a-4b33-ba26-a786dcd5306a}gw.sys

Rad Rater

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {22f5efb2-cf2a-4b33-ba26-a786dcd5306a}gw.sys by Rad Rater has been detected as adware by 19 anti-malware scanners. It runs as a Windows kernel mode device driver named “{22f5efb2-cf2a-4b33-ba26-a786dcd5306a}Gw”. 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:
e85f36f3205b4e0cc284d8d694f16151

SHA-1:
3a46b948e24f70ae236a4a841e5d040105a41223

SHA-256:
05c529b8f601f73df2a450063d0825ce3a922e6ae649c11731d563022f6d2ef6

Scanner detections:
19 / 68

Status:
Adware

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

Analysis date:
4/24/2024 8:00:59 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

Reason Heuristics
PUP.RadRater.l
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\{22f5efb2-cf2a-4b33-ba26-a786dcd5306a}gw.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:
9/23/2014 2:01:51 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:gN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJdd3c+:IhUcpH/0+LCf7EziDHhdC+

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:
6.6145

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{22f5efb2-cf2a-4b33-ba26-a786dcd5306a}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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