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installation.exe

Click Trust opt

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installation.exe by Click Trust opt has been detected as adware by 18 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from get.file28desktop.com.
Publisher:
Click Trust opt  (signed and verified)

MD5:
a869b61f2bbde066c2c9d71ec92f5f3c

SHA-1:
ea058cd6bfc342c70b79fab85ffd44924243cfe2

SHA-256:
f66e9af3dff54e93c2ef69a2bac13ecd45c53e95151fd8bb11b88906a29a6de3

Scanner detections:
18 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
5/15/2024 8:06:43 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.02.11

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.209.48

AVG
Downloader
2016.0.3202

Bitdefender
Gen:Variant.Application.Bundler.Outbrowse.1
1.0.20.205

Dr.Web
infected with Trojan.OutBrowse.83
9.0.1.05190

ESET NOD32
Win32/OutBrowse.BU potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
2/10/2015

G Data
Gen:Variant.Application.Bundler.Outbrowse
15.2.25

K7 AntiVirus
DoS-Trojan
13.194.14924

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
15.0.0.543

Malwarebytes
PUP.Optional.OutBrowse
v2015.02.10.01

McAfee
Program.Adware-OutBrowse.e
16.8.708.2

NANO AntiVirus
Trojan.Win32.OutBrowse.dnmhre
0.30.0.65070

Reason Heuristics
PUP.Outbrowse
15.2.14.11

Trend Micro House Call
Suspici.8D175B40
7.2.41

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4150696
37240

File size:
584.7 KB (598,728 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\installation.exe

Digital Signature
Signed by:
Click Trust opt

Authority:
thawte, Inc.

Valid from:
1/27/2015 1:00:00 AM

Valid to:
1/28/2016 12:59:59 AM

Subject:
CN=Click Trust opt, O=Click Trust opt, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
058AA11C4312BC93DD47D6B1AEA55A8A

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:NVQ/iwpGxB260BBNUA7WpAwyfdKHo2wVew8jt85DcUSqMo6yfHP6tuBt7C:N4iWEKN1EI9ew8jt0DcUSqx6ynwu/C

Entry address:
0x30FA

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, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file installation.exe has been seen being distributed by the following URL.

http://get.file28desktop.com/.../get?p=7392&d=10083&l=9525&n=1&dt=1413727118

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