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{1103a00c-1add-4bc5-b970-999b54d6bb68}gw.sys

RockResult

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {1103a00c-1add-4bc5-b970-999b54d6bb68}gw.sys by RockResult has been detected as adware by 21 anti-malware scanners. It runs as a Windows kernel mode device driver named “{1103a00c-1add-4bc5-b970-999b54d6bb68}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 RockResult)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
7c22e9a08e4a098e31d1c6b5bc512040

SHA-1:
8430f4b7648da8a38dda1192430977825e2425a1

SHA-256:
1d2476009ab4be374ed6f448f0fed99b416abf99ad7dbe2d6f6dcd43622ede93

Scanner detections:
21 / 68

Status:
Adware

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

Analysis date:
5/19/2024 3:41:55 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.V
5841513

Agnitum Outpost
PUA.BrowseFox
7.1.1

Avira AntiVirus
Adware/BrowseFox.A.1227
7.11.189.16

AVG
Generic
2015.0.3278

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141126

Bitdefender
Adware.BrowseFox.V
1.0.20.1650

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

Comodo Security
TrojWare.Win32.AltBrowse.IZZV
20202

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.V
9.0.0.4570

ESET NOD32
Win64/BrowseFox.AF potentially unwanted application
7.0.302.0

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

F-Secure
Adware.BrowseFox.V
11.2014-26-11_4

G Data
Adware.BrowseFox
14.11.24

MicroWorld eScan
Adware.BrowseFox.V
15.0.0.990

NANO AntiVirus
Riskware.Win32.NetFilter.dgkdox
0.28.6.63726

nProtect
Adware.BrowseFox.V
14.11.26.01

Reason Heuristics
PUP.RockResult.l
14.11.26.0

Vba32 AntiVirus
AdWare.Win64.Yotoon
3.12.26.3

VIPRE Antivirus
Threat.4150696
35088

Zillya! Antivirus
Backdoor.CPEX.Win32.29350
2.0.0.1994

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\{1103a00c-1add-4bc5-b970-999b54d6bb68}gw.sys

Digital Signature
Signed by:
RockResult

Authority:
VeriSign, Inc.

Valid from:
10/8/2014 7:00:00 AM

Valid to:
10/9/2015 6:59:59 AM

Subject:
CN=RockResult, O=RockResult, 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:
718E986BCC6BAC0F11E352C43C67B5DD

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:VN0457WBZwpHs63E+X7BIrTsCEziDH+JgrVJddTPsh:3hUcpH/0+LCf7EziDHhdVq

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:
6.6158

Code size:
28 KB (28,672 bytes)

Driver
Display name:
{1103a00c-1add-4bc5-b970-999b54d6bb68}Gw

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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