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{1273fe6f-6a6b-437c-a535-77a16a07f36b}gw64.sys

Plain Savings

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {1273fe6f-6a6b-437c-a535-77a16a07f36b}gw64.sys by Plain Savings has been detected as adware by 30 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{1273fe6f-6a6b-437c-a535-77a16a07f36b}Gw64”.
Publisher:
StdLib  (signed by Plain Savings)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
79188ac6158c3827b3acf9912ce47b69

SHA-1:
7497c7a99e5eeac5cc45106ad02da08f4bd27852

SHA-256:
6e2f9d289ab7d801ab95186c6bdf3c0983c7942ee3de0c67fd8c429440325b8b

Scanner detections:
30 / 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:
4/26/2024 2:28:33 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
521

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.23

Arcabit
Adware.SwiftBrowse.CH
1.0.0.425

AVG
Generic
2016.0.2999

Baidu Antivirus
Hacktool.Win64.NetFilter
4.0.3.1591

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1220

Bkav FE
W64.HfsAdware
1.3.0.7062

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21411

Dr.Web
Trojan.Yontoo.1806
9.0.1.0244

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.15.09.01.03

ESET NOD32
Win64/NetFilter.A potentially unsafe (variant)
9.12085

Fortinet FortiGate
Riskware/NetFilter
9/1/2015

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

F-Secure
Adware.SwiftBrowse.CH
11.2015-01-09_3

G Data
Adware.SwiftBrowse.CH
15.9.25

herdProtect (fuzzy)
variant of {c5e48979-bd7f-4cf7-9b73-2482a67a4f37}gw64.sys (Adware)
2015.10.28.17

K7 AntiVirus
Adware
13.208.16871

Kaspersky
not-a-virus:NetTool.Win64.NetFilter
14.0.0.1492

Malwarebytes
PUP.Optional.PlainSavings.A
v2015.09.01.03

McAfee
Artemis!79188AC6158C
5600.6655

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.732

NANO AntiVirus
Trojan.Win64.Yontoo.dvaynb
0.30.24.3079

nProtect
Adware.SwiftBrowse.CH
14.10.19.01

Panda Antivirus
PUP/PlainSavings
15.09.01.03

Reason Heuristics
PUP.Yontoo.PlainSavings (M)
15.9.1.15

Sophos
Browse Fox
4.98

SUPERAntiSpyware
Adware.SwiftBrowse/Variant
9656

VIPRE Antivirus
Trojan.Win32.Generic
34078

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2350

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\{1273fe6f-6a6b-437c-a535-77a16a07f36b}gw64.sys

Digital Signature
Signed by:
Plain Savings

Authority:
VeriSign, Inc.

Valid from:
3/9/2015 9:00:00 PM

Valid to:
3/9/2016 8:59:59 PM

Subject:
CN=Plain Savings, O=Plain Savings, 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:
3278FBA8062F9F07CFB8AF40EED9D7B1

File PE Metadata
Compilation timestamp:
8/7/2015 8:30:14 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:l17G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD34At:rFID6EGnLA8AFJTNEVmDd

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:
{1273fe6f-6a6b-437c-a535-77a16a07f36b}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.