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{e4a6645a-3f85-4e1f-aa41-8367978844db}w64.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}w64.sys by CommonShare has been detected as adware by 33 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{e4a6645a-3f85-4e1f-aa41-8367978844db}w64”. 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:
47d2ddba5cbf722214b3aee42463371d

SHA-1:
b2fdbecbebe4f87ebde7dcd6b514fefd868e8ca2

SHA-256:
7e81b4d47d42a9fd09181261505faab66bed737c7b45ef9d1e21e0e394dc31f2

Scanner detections:
33 / 68

Status:
Adware

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

Analysis date:
4/25/2024 9:52:16 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.L
354

Agnitum Outpost
PUA.Yotoon
7.1.1

AhnLab V3 Security
Trojan/Win64.SwiftBrowse
2014.09.02

avast!
Win64:Malware-gen
2014.9-160215

AVG
Generic
2017.0.2832

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.16215

Bitdefender
Adware.SwiftBrowse.L
1.0.20.230

Bkav FE
W64.HfsAdware
1.3.0.6379

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

Comodo Security
UnclassifiedMalware
18740

Dr.Web
Trojan.BPlug.123
9.0.1.046

Emsisoft Anti-Malware
Adware.SwiftBrowse.L
8.16.02.15.07

ESET NOD32
Win32/RiskWare.NetFilter (variant)
10.10008

Fortinet FortiGate
Adware/BrowseFox
2/15/2016

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

F-Secure
Adware.SwiftBrowse.L
11.2016-15-02_2

G Data
Adware.SwiftBrowse
16.2.24

IKARUS anti.virus
AdWare.SwiftBrowse
t3scan.1.7.5.0

K7 AntiVirus
Adware
13.200.15211

Malwarebytes
PUP.Optional.NetFilter
v2016.02.15.07

McAfee
Artemis!BB1445DF1E66
5600.6488

MicroWorld eScan
Adware.SwiftBrowse.L
17.0.0.138

NANO AntiVirus
Riskware.Win64.NetFilter.doiasf
0.30.0.296

Norman
Adware.SwiftBrowse.BV
11.20160215

nProtect
Adware.SwiftBrowse.L
14.05.23.01

Qihoo 360 Security
Win32/Trojan.RiskWare.a25
1.0.0.1015

Reason Heuristics
PUP.Yontoo.CommonShare (M)
16.2.15.19

Sophos
BrowseSmart
4.98

SUPERAntiSpyware
Adware.BrowseFox/Variant
9321

Trend Micro House Call
Suspicious_GEN.F47V0816
7.2.46

Trend Micro
HS_BROWSEFOX.SM
10.465.15

VIPRE Antivirus
Trojan.Win32.Generic
32766

Zillya! Antivirus
Adware.Yotoon.Win64.3
2.0.0.1899

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}w64.sys

Digital Signature
Signed by:
CommonShare

Authority:
VeriSign, Inc.

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

Valid to:
1/13/2015 12:59:59 AM

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 9:01:54 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lI7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3aWE:yFID6EGnLA8AFJTNEVmDaJ

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}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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