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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 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the OutBrowse Revenyou installer. The file has been seen being downloaded from rhtag.com.
Publisher:
START now  (signed and verified)

MD5:
9c4fcf14c524744b306e46ca612f7f78

SHA-1:
595ad7d1d7c074dadc0258c03b6d34b41074f021

SHA-256:
e120de6abde1647f2cbed9fa61d01d1038c4d1fbe52964144bd9bbf68f3d69b7

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
5/9/2024 5:52:27 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.8.5.12

File size:
574.4 KB (588,136 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:
thawte, Inc.

Valid from:
1/11/2015 7:00:00 AM

Valid to:
12/12/2015 6:59:59 AM

Subject:
CN=START now, O=START now, L=Dublin, S=Dublin, C=IE

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

Serial number:
13F235DA9F0A910A71AE486F7547520F

File PE Metadata
Compilation timestamp:
12/6/2009 5:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:tzx8r0Xnwwi2pyKEyAPis6/E6Cz1+0f7rH/TTpVP4N1n9af1Ejqvj:tzW6vOyZskENJ+A7rH/TTP4NHna

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:
7.9675

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://rhtag.com/adServe/adClick?ai=08zHTxdapFXOKJy1JwYAeMYDnc1IfbfYOsJCVnV6Q7Rs0aHzp s1bU3DevWP9Zl7OVlsYnjqqH8 Km7t8BTjlKreUb3tNQ7KqyI8usOp/REE4y0g4z6pWe yhQeXjFKmGaRXa0FDAymLmCCPmzWA0whg jJ55OEsg0zU8GJ87MWI671/6BW/nohcUk/hfQojSSrzoxfFj5CJ/cp8YdEIpowqQ50GchGbfm/It k/Wu5tXD39BC6xUMK c1zzfDE7MCNWG vg62B0mYhEUt2SdCpN7kj3j6qiNW4XYqxnadacNDTzA8 vuI8a3gKfHiy9A9j&ui=lrZQuK6EB4peIC/Qinnp8lY37AsT2Aewx0CywtgdH5Fn1HPIEMyAV8tB7J/.../wHI&src=BANNER

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