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{6ccfd995-07be-49cf-8ad6-1422dc08761a}gw64.sys

snipsmart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {6ccfd995-07be-49cf-8ad6-1422dc08761a}gw64.sys by snipsmart has been detected as adware by 31 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{6ccfd995-07be-49cf-8ad6-1422dc08761a}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 snipsmart)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
c7b958704bbc2fa84d507917a61149a3

SHA-1:
94461737bccdc62b1c624ebc5e0deb2bbdea8383

SHA-256:
c27aa405881bd6999b4d38cb8d9677f80aab873e0761cf8d5a4502c481202a81

Scanner detections:
31 / 68

Status:
Adware

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

Analysis date:
4/25/2024 1:38:37 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
6210164

Agnitum Outpost
Trojan.BPlug
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.08.26

avast!
Win32:BrowseFox-EV [PUP]
150319-1

AVG
Webet
2015.0.3312

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.141024

Bitdefender
Adware.SwiftBrowse.L
1.0.20.1485

Clam AntiVirus
Win.Adware.Swiftbrowse-284
0.98/19419

Comodo Security
UnclassifiedMalware
18740

Dr.Web
Trojan.Yontoo.1734
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
9.0.0.4799

ESET NOD32
Win64/NetFilter.A potentially unsafe application
7.0.302.0

Fortinet FortiGate
Adware/BrowseFox
10/24/2014

F-Prot
W64/A-6238163f
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
5.13.68

G Data
Adware.SwiftBrowse
14.10.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.202.15338

Malwarebytes
PUP.Optional.NetFilter
v2014.10.24.03

McAfee
Program.Artemis!C7B958704BBC
16.8.708.2

MicroWorld eScan
Adware.SwiftBrowse.L
15.0.0.891

NANO AntiVirus
Riskware.Win64.NetFilter.dhktdw
0.30.8.659

Norman
Adware.SwiftBrowse.CH
03.12.2014 13:20:04

nProtect
Adware.SwiftBrowse.L
14.05.23.01

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.snipsmart.n
14.10.24.3

Sophos
PUA 'Browse Fox'
5.12

Trend Micro House Call
TROJ_GEN.F47V0523
7.2.297

Trend Micro
TROJ_GEN.R047C0OKG14
10.465.05

VIPRE Antivirus
Trojan.Win32.Generic
29520

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1901

File size:
47.6 KB (48,784 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\{6ccfd995-07be-49cf-8ad6-1422dc08761a}gw64.sys

Digital Signature
Signed by:
snipsmart

Authority:
VeriSign, Inc.

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

Valid to:
8/6/2015 4:59:59 AM

Subject:
CN=snipsmart, O=snipsmart, 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:
44017A0654590E4048857CE5A4A44F1A

File PE Metadata
Compilation timestamp:
9/23/2014 12:01:54 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lr7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD36mli9:tFID6EGnLA8AFJTNEVmD6Ki9

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...
 
[+]

Entropy:
6.3923

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{6ccfd995-07be-49cf-8ad6-1422dc08761a}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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