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{2fb2b93a-d824-4963-962b-e98da201096d}gw.sys

SuperInstall

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {2fb2b93a-d824-4963-962b-e98da201096d}gw.sys by SuperInstall has been detected as adware by 18 anti-malware scanners. It runs as a Windows kernel mode device driver named “{2fb2b93a-d824-4963-962b-e98da201096d}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 SuperInstall)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
f82110d791203a36fa8c75b5922331ab

SHA-1:
75f22e0d3595633b23b54e96ac79aee4532429a5

SHA-256:
7c2d48101263045567d013bab1f16cde90653ea02d157980be3368f7c5472586

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
4/19/2024 9:37:45 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
799

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.188.246

Bitdefender
Adware.BrowseFox.V
1.0.20.1660

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

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20197

Dr.Web
Tool.NetFilter.313
9.0.1.0332

Emsisoft Anti-Malware
Adware.BrowseFox.V
8.14.11.28.03

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

F-Secure
Adware.BrowseFox.V
11.2014-28-11_6

G Data
Adware.BrowseFox
14.11.24

MicroWorld eScan
Adware.BrowseFox.V
15.0.0.996

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.6.63726

nProtect
Adware.BrowseFox.V
14.11.26.01

Reason Heuristics
PUP.SuperInstall.l
14.12.1.0

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Trojan.Win32.Generic
35142

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1992

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\{2fb2b93a-d824-4963-962b-e98da201096d}gw.sys

Digital Signature
Signed by:
SuperInstall

Authority:
VeriSign, Inc.

Valid from:
11/5/2014 1:00:00 AM

Valid to:
11/6/2015 12:59:59 AM

Subject:
CN=SuperInstall, O=SuperInstall, 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:
1E60E6DE6DF91B338948250B9A390837

File PE Metadata
Compilation timestamp:
11/26/2014 12:28:28 PM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:JN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJdd3GW3:LhUcpH/0+LCf7EziDHhdl3

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:
{2fb2b93a-d824-4963-962b-e98da201096d}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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