home

installation.exe

BEST APP

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 BEST APP 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:
BEST APP  (signed and verified)

MD5:
645040c8df5f0f5391968e652435db12

SHA-1:
c23e9c80a0cbb6bc458cf1ed9107eb9243beff87

SHA-256:
c2885ee19278ffef7b0e3df25573d3d87ee0a058e0cf1d3dbbb5d0346abe1496

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 5:57:50 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.7.31.2

File size:
569.8 KB (583,448 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:
BEST APP

Authority:
thawte, Inc.

Valid from:
1/4/2015 1:00:00 AM

Valid to:
12/18/2015 12:59:59 AM

Subject:
CN=BEST APP, O=BEST APP, L=Dublin, S=Dublin, C=IE

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

Serial number:
1D0774D8D3A913BED64F71672A861C69

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:HzzF90g8TfWKzjfQADweTzc7GxVVoXCw064eNdsXDbyaP:HPF938TfWKnfNxTzc7kVV0n4hyg

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://rhtag.com/adServe/adClick?ai=08zHTxdapFVurQt5fBrzGsiSCatXxlS068xpWAiAW69n6j/CE9YMnv1M4 yx0gRHBt5LUVQm XN4 7tNLZ/CUygFmwa4dNdynUOsDfWB0n8onBOlBdT4mc9RJ04CS4NE 2ce aHcOeoa91zl6cpmVHWMt PRZjBxJCqU2GDkDNSnAwra98siXOwYQumcnxa2Owy6nLSy3dZqaWGUyW4QGigrYdsYIjdgp1hLqW iAnI9nDKkq IyAyorutzi7197OE35zoyVGvq70h8tgoUW4NSrLYCWAuCQW1motFH/.../12mUjgLJO6yrKkq IyAyorknWZJoI5Y5x&src=BANNER

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