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{e8ac6704-7523-4c3f-bcd6-f7e44030d95f}w64.sys

PlumoWeb

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {e8ac6704-7523-4c3f-bcd6-f7e44030d95f}w64.sys by PlumoWeb has been detected as adware by 22 anti-malware scanners. It runs as a Windows 64-bit kernel mode device driver named “{e8ac6704-7523-4c3f-bcd6-f7e44030d95f}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 PlumoWeb)

Product:
StdLib

Version:
1.4.4.6 built by: WinDDK

MD5:
9d43538fc7dea269460e533a8a8568b5

SHA-1:
aec0f4e23fa4ec84c6a3e2346eae707a2fe33da1

SHA-256:
1afc4098b1912dce8374786d935f1ef72969f5e3aeeb5f4c7548287529e313b0

Scanner detections:
22 / 68

Status:
Adware

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

Analysis date:
4/24/2024 10:13:42 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CH
707

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
Win-PUP/BrowseFox.Gen
2015.02.22

Avira AntiVirus
Adware/BrowseFox.apq
7.11.211.246

AVG
Generic
2016.0.3185

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.15227

Bitdefender
Adware.SwiftBrowse.CH
1.0.20.290

Clam AntiVirus
Win.Adware.Swiftbrowse-497
0.98/21511

Dr.Web
Tool.NetFilter.313
9.0.1.058

Emsisoft Anti-Malware
Adware.SwiftBrowse.CH
8.15.02.27.08

ESET NOD32
Win64/BrowseFox.BM potentially unwanted (variant)
9.11211

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

F-Secure
Adware.SwiftBrowse.CH
11.2015-27-02_6

G Data
Adware.SwiftBrowse.CH
15.2.25

K7 AntiVirus
Adware
13.197.15041

MicroWorld eScan
Adware.SwiftBrowse.CH
16.0.0.174

nProtect
Adware.SwiftBrowse.CH
15.02.17.01

Reason Heuristics
PUP.Yontoo
15.2.27.20

Trend Micro House Call
HS_BROWSEFOX.SM
7.2.58

Trend Micro
HS_BROWSEFOX.SM
10.465.27

VIPRE Antivirus
Trojan.Win32.Generic
37756

Zillya! Antivirus
Adware.Yotoon.Win64.14
2.0.0.2076

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\{e8ac6704-7523-4c3f-bcd6-f7e44030d95f}w64.sys

Digital Signature
Signed by:
PlumoWeb

Authority:
VeriSign, Inc.

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

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

Subject:
CN=PlumoWeb, O=PlumoWeb, 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:
792D14E276E932D00A4F272C4ED5B70E

File PE Metadata
Compilation timestamp:
2/14/2015 7:26:36 PM

OS version:
6.1

OS bitness:
Win64

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:lT7G2EjsnyXeOUEGG0LA8tWFZuL470h6aqxcCT2kvsVRwlZD3K:JFID6EGnLA8AFJTNEVmD

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...
 
[+]

Entropy:
6.3913

Code size:
34.5 KB (35,328 bytes)

Driver
Display name:
{e8ac6704-7523-4c3f-bcd6-f7e44030d95f}w64

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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