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chrome-update.exe

Zoobam

This is the Tightrope WebInstall which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application chrome-update.exe by Zoobam has been detected as adware by 26 anti-malware scanners. The program is a setup application that uses the Tightrope WebInstall installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. With this installer, users are expecting to download Google's Chrome web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Zoobam  (signed and verified)

MD5:
e1ee3373e9e6b5f473d9266255728ab6

SHA-1:
ac04e129400437a7c7159a1225348cd04bb0d481

SHA-256:
1a5d31ea57a5612e98ccb64f056fbd0ee69dac750fac2be3f04719f8eec06e4c

Scanner detections:
26 / 68

Status:
Adware

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/16/2024 3:48:39 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.KJ
6504715

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.Downware
2014.10.12

Avira AntiVirus
ADWARE/Adware.Gen
7.11.30.172

avast!
Win32:Adware-CIX [PUP]
150129-1

AVG
Generic
2016.0.3169

Bitdefender
Application.Bundler.KJ
1.0.20.370

Clam AntiVirus
Win.Adware.Downloadadmin
0.98/19501

Comodo Security
Application.Win32.DownloadAdmin.ANGL
20945

Dr.Web
Adware.Downware.2220
9.0.1.074

Emsisoft Anti-Malware
Application.Bundler.KJ
9.0.0.4799

ESET NOD32
Win32/DownloadAdmin.H potentially unwanted application
7.0.302.0

F-Prot
W32/S-92ce39bf
v6.4.7.1.166

F-Secure
Adware:W32/WebInstallBundle
11.2015-15-03_1

G Data
Application.Bundler.KJ
15.3.25

herdProtect (fuzzy)
variant of horizon-setup.exe (Adware)
2015.6.21.20

IKARUS anti.virus
Trojan.Dropper
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.183.13642

Malwarebytes
PUP.Optional.DownloadAdmin
v2015.03.15.08

MicroWorld eScan
Application.Bundler.KJ
16.0.0.222

NANO AntiVirus
Riskware.Win32.Downware.djahkt
0.30.0.65070

Reason Heuristics
PUP.Bundler.Tightrope
15.3.15.20

Sophos
Download Admin
4.98

Total Defense
Win32/Tnega.IQCCUAC
37.0.11497

Vba32 AntiVirus
Downloader.Agent
3.12.26.3

VIPRE Antivirus
Threat.4150696
33706

File size:
825.4 KB (845,224 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tightrope WebInstall (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\chrome-update.exe

Digital Signature
Signed by:
Zoobam

Authority:
GoDaddy.com, Inc.

Valid from:
10/15/2014 9:27:59 PM

Valid to:
10/15/2017 9:27:59 PM

Subject:
CN=Zoobam, O=Zoobam, L=Kirkland, S=Washington, C=US

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
4EA9D31E75E043

File PE Metadata
Compilation timestamp:
7/15/2014 11:29:31 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:0xpJfslZtuaVd9lpmhwQbift489IVGD4xJFl6Xqb5Kbmkg8Sa:Ip9sVuaVdvgVbmgGDijyikg5a

Entry address:
0x3345

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, B0, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 88, 72, 40, 00, 6A, 08, A3, B8, 3C, 42, 00, E8, 2E, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 43, 74, 40, 00, FF, 15, 64, 71, 40, 00, 68, 38, 74, 40, 00, 68, C0, 33, 42, 00, E8, 1F, 24, 00, 00, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 0D, 24, 00, 00...
 
[+]

Entropy:
7.4926

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file chrome-update.exe has been seen being distributed by the following URL.

http://download7.file-mirror.org/.../chrome-popup.php

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