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 28 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.
Publisher:
BEST APP  (signed and verified)

MD5:
b02e8a3b297b6018804658fdab4435b6

SHA-1:
519111ecf2d72e3a526fd4edc75a383367bb0d37

SHA-256:
d4b8ac2d940c8bc9a9c0b3dc21451c89656388dfc43e8a4ab1ed9aee789c1f90

Scanner detections:
28 / 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:
1/13/2025 7:36:11 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
MemScan:Application.Bundler.Outbrowse.AN
697

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.03.10

Avira AntiVirus
PUA/Outbrowse.Gen
7.11.215.132

avast!
OutBrowse-FR [PUP]
2014.9-150309

AVG
Potentially harmful program Downloader
2016.0.3175

Bitdefender
MemScan:Application.Bundler.Outbrowse.AN
1.0.20.340

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.AltBrowse.HY
21353

Dr.Web
Trojan.OutBrowse.62
9.0.1.068

Emsisoft Anti-Malware
MemScan:Application.Bundler.Outbrowse.AN
8.15.03.09.06

ESET NOD32
Win32/OutBrowse.BY potentially unwanted application
9.7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
3/9/2015

F-Secure
Riskware.MemScan:Application.Bundler.Outbrowse
5.13.68

G Data
MemScan:Application.Bundler.Outbrowse.AN
15.3.25

K7 AntiVirus
Trojan
13.200.15209

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

Malwarebytes
PUP.Optional.OutBrowse
v2015.03.09.07

McAfee
Program.Adware-OutBrowse.e
5600.6831

MicroWorld eScan
MemScan:Application.Bundler.Outbrowse.AN
16.0.0.204

NANO AntiVirus
Trojan.Win32.OutBrowse.dlunsw
0.30.0.296

Quick Heal
Adware.NSIS.OutBrowse.A
6.15.14.00

Reason Heuristics
PUP.Bundler.Outbrowse
15.3.9.18

Sophos
Generic PUA AE
4.98

Trend Micro House Call
Suspici.2F9E2453
7.2.68

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
Threat.4823950
39486

File size:
568.4 KB (582,056 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 4:00:00 PM

Valid to:
12/17/2015 3:59:59 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 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:WY2DngHTVx549xd/rNhwranvxCSAXoXmzB0VL8UsGGwClTnl2wYK:Wixi9xdbYSAXoC098UpGrr

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:
7.9766

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.

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