home

{f61d0959-c00e-4800-91d0-296b3b46d3ca}gw64.sys

snipsmart

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {f61d0959-c00e-4800-91d0-296b3b46d3ca}gw64.sys by snipsmart has been detected as adware by 6 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{f61d0959-c00e-4800-91d0-296b3b46d3ca}Gw64”.
Publisher:
StdLib  (signed by snipsmart)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
5d43c9a09e47ab943f343f3b4d18d1d4

SHA-1:
047a678718e8f190eb9ec00eaa1964737e0e7cd0

SHA-256:
a9bc8dec23d4032f40caa4285dd6de0b11554523cedc5f7945414c9a487b03e1

Scanner detections:
6 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
4/20/2024 7:16:55 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Yotoon
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.08.29

Dr.Web
Trojan.BPlug.123
9.0.1.0240

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.5.0

Reason Heuristics
PUP.snipsmart.n
14.8.30.16

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1905

File size:
59.6 KB (61,072 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win64 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{f61d0959-c00e-4800-91d0-296b3b46d3ca}gw64.sys

Digital Signature
Signed by:
snipsmart

Authority:
VeriSign, Inc.

Valid from:
8/4/2014 5:00:00 PM

Valid to:
8/5/2015 4:59:59 PM

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:
8/6/2014 4:52:18 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:jot2dxF9O8ZF33iqiIy9387Hp9XcfBzSowidIilixqh:j9JRicy938Lp9eW1jGia

Entry address:
0xF064

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, 2E, 20, FF, FF, CC, CC, 38, F2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, F6, 00, 00, 60, C1, 00, 00, 28, F1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, F9, 00, 00, 50, C0, 00, 00, D8, F0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, FA, 00, 00, 00, C0, 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, 9A, FA, 00, 00, 00, 00, 00, 00, 86, FA, 00, 00...
 
[+]

Entropy:
5.9519

Code size:
46.5 KB (47,616 bytes)

Driver
Display name:
{f61d0959-c00e-4800-91d0-296b3b46d3ca}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.