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plumowebsetup.exe

PlumoWeb

This is the installer and setup program from the PlumoWeb branded Yontoo adware web browser extension. This adware injects various forms of advertisements in the user's web browser based on the HTML content and URLs viewed. Ad include banners, in-line context text links, coupons, and search. The program will install an auto-updating Windows service that will update the software with additional features. The application plumowebsetup.exe by PlumoWeb has been detected as adware by 16 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. 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:
PlumoWeb  (signed and verified)

MD5:
2d02438d78b63990e9691afce41c88e4

SHA-1:
a86d3a8c7269f597c98ca5d2d638b8b9e7f62c0a

SHA-256:
be94cdbea36f884b6ab1498adcec08ba1908bcd0bf4bb4b92a2fa5b47c59417d

Scanner detections:
16 / 68

Status:
Adware

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

Analysis date:
4/19/2024 10:01:54 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.SwiftBrowse.CQ
805

avast!
BrowseFox-D [PUP]
141119-1

AVG
Generic
2015.0.3283

Baidu Antivirus
Adware.Win64.BrowseFox
4.0.3.141122

Bitdefender
Adware.SwiftBrowse.CQ
1.0.20.1630

Dr.Web
Trojan.Yontoo.97
9.0.1.05190

Emsisoft Anti-Malware
Adware.SwiftBrowse.CQ
8.14.11.22.12

ESET NOD32
Win64/BrowseFox.BM potentially unwanted application
7.0.302.0

G Data
Adware.SwiftBrowse.CQ
14.11.24

Malwarebytes
PUP.Optional.BPlug
v2014.11.22.12

MicroWorld eScan
Adware.SwiftBrowse.CQ
15.0.0.978

NANO AntiVirus
Trojan.Win32.BPlug.dfsehz
0.28.6.63474

Qihoo 360 Security
Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.PlumoWeb.N
14.11.22.0

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.141120

VIPRE Antivirus
Threat.5061968
35010

File size:
569.5 KB (583,208 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\plumowebsetup.exe

Digital Signature
Signed by:
PlumoWeb

Authority:
VeriSign, Inc.

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

Valid to:
8/5/2015 7:59:59 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:
12/5/2009 5:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:55cIa63KR3D1s15Ap/G/8/3D0Fw/tN8dkmLtpHHHrh7+6bgn/A3:5u63KVD6j8/z0FmcLbH1dEY3

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9814

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to wac.edgecastcdn.net  (72.21.81.13:80)

TCP (HTTP):
Connects to service.yontoo.com  (8.25.35.148:80)

TCP (HTTP):
Connects to api.yontoo.com  (8.25.35.15:80)

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