home

installation.exe

Start Now

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 Start Now has been detected as adware by 11 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 adservingsolutionsinc.adk2.net.
Publisher:
Start Now  (signed and verified)

MD5:
a6189cdabde680dd4f006dc272263807

SHA-1:
5e806e318645bd42bfe3e643c8173673df509017

SHA-256:
46ae8a3d2e6be76bb5550dd39af84341cbfb9ab257277b29eb9150469b462b8e

Scanner detections:
11 / 68

Status:
Adware

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

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:
12/26/2024 12:31:03 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.12.04

AVG
Potentially harmful program Downloader.CHY
2014.0.4189

Dr.Web
Trojan.OutBrowse.6
9.0.1.05190

ESET NOD32
Win32/OutBrowse.BK potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
12/3/2014

K7 AntiVirus
Unwanted-Program
13.186.14225

Malwarebytes
PUP.Optional.OutBrowse
v2014.12.03.10

McAfee
Adware-OutBrowse.c
5600.6928

NANO AntiVirus
Trojan.Win32.OutBrowse.djogzg
0.28.6.63850

Reason Heuristics
PUP.StartNow.M
14.12.3.10

VIPRE Antivirus
Threat.4150696
35224

File size:
575.8 KB (589,656 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
Start Now

Authority:
Starfield Technologies, Inc.

Valid from:
10/30/2014 2:00:53 AM

Valid to:
10/30/2015 2:00:53 AM

Subject:
CN=Start Now, O=Start Now, L=DUBLIN, C=IE

Issuer:
CN=Starfield Secure Certificate Authority - G2, OU=http://certs.starfieldtech.com/repository/, O="Starfield Technologies, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
043DD86B3DF8A0

File PE Metadata
Compilation timestamp:
12/6/2009 9:20:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:dm7pPZ2C6SWBKBlky0nzloZzMbXD9C8Jx/GgHbnKmnstomlj0:dYRqCQlBK4bXRF/fnlstc

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...
 
[+]

Entropy:
7.9687

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.

https://adservingsolutionsinc.adk2.net/event/click/0/kZENkIHZpfoorUp9CLeKDK6apN4OuyXZ9-cVjkQoTyAKtKp2Bgr5QrV2S1EDP_xJhEFwTTsRkww8X4dvAxKn0axOBmteMZgLFPEPA6zigeH9zlTH_St9L6q7p1viDKiI231iFPs8v9Nw2MaptY7tiBmKQqtG0g6vi9GsyEoelJ3oPAcfUV4pFcHh-eWJQw_LRxVDNCSnlUi18OqqA9a_-ts16GhW6l05mdsvOmij0xMqzXM91V-JrS_QVTvE2Jt3j7EpLG4Cmf3ObiD2ZKMynKU-GNhYJfMUjDjTtAGYH-bvMlnDBy-kAtA7WrrIMqHgofT4SO89xwzkt8pJ8MlrPeiHoea_KbzX2n9s9Kucw9yhRbz2yD7Ef2Etqr4kpG_dLS_1_0TGNahHefIcAQ938wlfTPAvTghvms6BW6WKmg/.../

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