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 16 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 get1.down1004life.info and multiple other hosts.
Publisher:
BEST APP  (signed and verified)

MD5:
dcf14b49a2fb1d7d9bd527a048337519

SHA-1:
4fea9b79ba23add2ad62310edd3bd52f37136f8d

SHA-256:
7c95d9c7d108c8d8d20667355faca609e7ff09af912ce4ec5da1ebbc234a946f

Scanner detections:
16 / 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:
11/23/2024 4:44:40 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.OutBrowse
7.1.1

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.203.0

AVG
Downloader
2016.0.3224

Dr.Web
Trojan.OutBrowse.62
9.0.1.05190

ESET NOD32
Win32/OutBrowse.BS potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
1/19/2015

IKARUS anti.virus
PUA.OutBrowse
t3scan.1.8.6.0

K7 AntiVirus
Riskware
13.191.14689

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

Malwarebytes
PUP.Optional.OutBrowse
v2015.01.19.06

McAfee
Adware-OutBrowse.e
5600.6880

NANO AntiVirus
Trojan.Win32.OutBrowse.dlunsw
0.30.0.64448

Reason Heuristics
PUP.BESTAPP
15.1.19.18

Trend Micro House Call
Suspici.2F9E2453
7.2.19

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4150696
36666

File size:
568.2 KB (581,880 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:

Authority:
thawte, Inc.

Valid from:
1/3/2015 5:00:00 PM

Valid to:
12/17/2015 4:59:59 PM

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 3:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:7miW6iOs2v1SOW6f9ndf7gH2GhhxkC4CSvTwNTnl2wYP:7m6Nxv1/WMH7gH3cbu0

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:
7.9769

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 4 URLs.

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