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{a36c7bc3-b821-4a6b-bd24-9a8ee2281823}gw64.sys

gate snapper

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {a36c7bc3-b821-4a6b-bd24-9a8ee2281823}gw64.sys by gate snapper has been detected as adware by 18 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{a36c7bc3-b821-4a6b-bd24-9a8ee2281823}Gw64”. 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 gate snapper)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
2fce8532f4d180a608315290436f8223

SHA-1:
4d772fb7609db8caef842872528984d832737c4a

SHA-256:
959b5bba4dc17e05594b303794aa0e375f4cdd62010f31ff5610e846976a0efe

Scanner detections:
18 / 68

Status:
Adware

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

Analysis date:
5/4/2024 4:20:06 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
6434017

Agnitum Outpost
Riskware.Agent
7.1.1

AVG
Generic
2016.0.3219

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.125

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/19974

Dr.Web
hacktool program Tool.NetFilter.313
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
9.0.0.4799

ESET NOD32
Win64/BrowseFox.CG potentially unwanted application
7.0.302.0

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

F-Secure
Adware.SwiftBrowse.CH
5.13.68

G Data
Adware.SwiftBrowse.CH
15.1.24

K7 AntiVirus
Adware
13.192.14746

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.75

Norman
Adware.SwiftBrowse.CH
02.01.2015 13:58:24

nProtect
Adware.SwiftBrowse.CH
15.01.23.01

Trend Micro House Call
HS_BROWSEFOX.SM
7.2.25

Trend Micro
HS_BROWSEFOX.SM
10.465.25

VIPRE Antivirus
Threat.4150696
36666

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\{a36c7bc3-b821-4a6b-bd24-9a8ee2281823}gw64.sys

Digital Signature
Signed by:
gate snapper

Authority:
VeriSign, Inc.

Valid from:
11/20/2014 1:00:00 AM

Valid to:
11/21/2015 12:59:59 AM

Subject:
CN=gate snapper, O=gate snapper, 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:
133A7A0373BA5F8F11B450D044B92146

File PE Metadata
Compilation timestamp:
1/25/2015 1:36:40 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lp7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3e/xq:/FID6EGnLA8AFJTNEVmDb

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...
 
[+]

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{a36c7bc3-b821-4a6b-bd24-9a8ee2281823}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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