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{e4a6645a-3f85-4e1f-aa41-8367978844db}gw64.sys

CommonShare

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {e4a6645a-3f85-4e1f-aa41-8367978844db}gw64.sys by CommonShare has been detected as adware by 25 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{e4a6645a-3f85-4e1f-aa41-8367978844db}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 CommonShare)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
caea3e15b368305e996955071f9bde30

SHA-1:
c1018c62a19572ab40e1971c9bc3fa3752ee8665

SHA-256:
4772573050ca37d5b6e151a27088c2ae8bb93ea0ce78c65f08caf3a6eacb778f

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
5/3/2024 12:54:04 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.BV
869

Agnitum Outpost
Riskware.NetFilter
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.21

avast!
Win64:Malware-gen
2014.9-140918

AVG
Secsau
2015.0.3347

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.14918

Bitdefender
Adware.SwiftBrowse.BV
1.0.20.1305

Comodo Security
UnclassifiedMalware
18740

Dr.Web
Tool.NetFilter.1
9.0.1.0261

Emsisoft Anti-Malware
Adware.SwiftBrowse.BV
8.14.09.18.03

ESET NOD32
Win32/RiskWare.NetFilter (variant)
8.10008

F-Secure
Adware.SwiftBrowse.BV
11.2014-18-09_5

G Data
Adware.SwiftBrowse.BV
14.9.24

herdProtect (fuzzy)
variant of {345422e3-72fa-447a-9550-97803edfacf3}w64.sys (Adware)
2014.11.25.4

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

Malwarebytes
PUP.Optional.NetFilter
v2014.09.18.03

McAfee
Artemis!F317955BEF2D
5600.7003

MicroWorld eScan
Adware.SwiftBrowse.BV
15.0.0.783

nProtect
Adware.SwiftBrowse.L
14.05.23.01

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.CommonShare.n
14.9.19.4

Sophos
BrowseSmart
4.98

Trend Micro House Call
Suspicious_GEN.F47V0617
7.2.261

VIPRE Antivirus
Adware.SwiftBrowse
33282

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1901

File size:
43.7 KB (44,736 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\{e4a6645a-3f85-4e1f-aa41-8367978844db}gw64.sys

Digital Signature
Signed by:
CommonShare

Authority:
VeriSign, Inc.

Valid from:
1/12/2014 12:00:00 AM

Valid to:
1/12/2015 11:59:59 PM

Subject:
CN=CommonShare, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=CommonShare, 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:
24BACA2B8A7487F0D275256D00BF7493

File PE Metadata
Compilation timestamp:
9/13/2014 12:33:02 AM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:AgLmaZF8aSQ7DwZmEhzg8ClFHeDrTdRfsQCa5075YLwidHIn:r5ZEQI8E7ClquaC759E8

Entry address:
0xB064

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, C6, 60, FF, FF, CC, CC, 38, B2, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 1C, B6, 00, 00, 60, 81, 00, 00, 28, B1, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, BE, B9, 00, 00, 50, 80, 00, 00, D8, B0, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, B6, BA, 00, 00, 00, 80, 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, BA, 00, 00, 00, 00, 00, 00, 86, BA, 00, 00...
 
[+]

Entropy:
6.3732

Code size:
30.5 KB (31,232 bytes)

Driver
Display name:
{e4a6645a-3f85-4e1f-aa41-8367978844db}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.