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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 28 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:
1.4.4.6 built by: WinDDK

MD5:
6a34376923cc304d267bbf463649d423

SHA-1:
bc4002ed47a81041b7fbb75350f7d672fdd2a0d5

SHA-256:
c464fab76ab6505f71d10dc3875ce308faae60169ae0f572386632ffb5cbb0d6

Scanner detections:
28 / 68

Status:
Adware

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

Analysis date:
4/23/2024 7:51:03 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
826

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.08.26

avast!
Win64:Malware-gen
2014.9-141031

AVG
Generic
2015.0.3304

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141031

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.1520

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

Comodo Security
UnclassifiedMalware
18740

Dr.Web
Tool.NetFilter.313
9.0.1.0304

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.14.10.31.08

ESET NOD32
Win64/BrowseFox.BX (variant)
8.10587

Fortinet FortiGate
Adware/BrowseFox
10/31/2014

F-Prot
W64/A-abca7297
v6.4.7.1.166

F-Secure
Adware.SwiftBrowse.CH
11.2014-31-10_6

G Data
Adware.SwiftBrowse.CH
14.10.24

IKARUS anti.virus
AdWare.SpadeCast
t3scan.1.6.1.0

Malwarebytes
PUP.Optional.NetFilter
v2014.10.31.08

McAfee
Artemis!2EFBEE200F8A
5600.6960

MicroWorld eScan
Adware.SwiftBrowse.CH
15.0.0.912

NANO AntiVirus
Riskware.Win64.NetFilter.dgwmry
0.28.2.62671

nProtect
Adware.SwiftBrowse.CH
14.10.19.01

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.CommonShare.n
14.10.31.20

Sophos
BrowseSmart
4.98

Trend Micro House Call
TROJ_GEN.F47V0523
7.2.304

VIPRE Antivirus
Trojan.Win32.Generic
34084

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1901

File size:
47.7 KB (48,832 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\{e4a6645a-3f85-4e1f-aa41-8367978844db}gw64.sys

Digital Signature
Signed by:
CommonShare

Authority:
VeriSign, Inc.

Valid from:
1/11/2014 7:00:00 PM

Valid to:
1/12/2015 6:59:59 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:
9/22/2014 3:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lw7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3aWAFf:KFID6EGnLA8AFJTNEVmDarf

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:
{e4a6645a-3f85-4e1f-aa41-8367978844db}Gw64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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