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installation.exe

OTOPIA SOFT

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 OTOPIA SOFT has been detected as adware by 20 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 dl.file16desktop.com.
Publisher:
OTOPIA SOFT  (signed and verified)

MD5:
1a6259d8e5f77db8fd9a1a7fb01993e7

SHA-1:
0570a0fefe0a0c1a07fc59cc9f7a3c019b345a3c

SHA-256:
3b094388ea266f791fb8f62471e93aec24ff0bb68054880441375eb79129849a

Scanner detections:
20 / 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:
5/19/2024 7:29:10 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.Outbrowse.1
6703042

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.03.04

Avira AntiVirus
PUA/Outbrowse.Gen
7.11.213.90

avast!
PUP-gen [PUP]
150129-1

AVG
Potentially harmful program Downloader.CZU
2014.0.4253

Bitdefender
Gen:Variant.Application.Bundler.Outbrowse.1
1.0.20.310

Comodo Security
Application.Win32.OutBrowse.MQPC
21282

Dr.Web
Trojan.OutBrowse.54
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.Outbrowse
9.0.0.4799

ESET NOD32
Win32/OutBrowse.BK potentially unwanted application
7.0.302.0

F-Secure
Gen:Variant.Application.Bundler
11.2015-03-03_3

G Data
Gen:Variant.Application.Bundler.Outbrowse
15.3.25

K7 AntiVirus
Trojan
13.200.15148

McAfee
Program.Adware-OutBrowse.c
16.8.708.2

MicroWorld eScan
Gen:Variant.Application.Bundler.Outbrowse.1
16.0.0.186

NANO AntiVirus
Trojan.Win32.InstallMonster.dlnqnw
0.30.0.296

Reason Heuristics
PUP.Bundler.Outbrowse
15.3.3.19

Sophos
Generic PUA BG
4.98

VIPRE Antivirus
Threat.4823950
37788

File size:
566.1 KB (579,680 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:
OTOPIA SOFT

Authority:
GlobalSign nv-sa

Valid from:
12/5/2014 4:24:56 AM

Valid to:
12/6/2015 4:24:56 AM

Subject:
CN=OTOPIA SOFT, O=OTOPIA SOFT, L=Dublin, C=IE

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112139A8B0DC3A4BC64F2B7614FA56B4D72C

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:Anl+T/D4c5QM2uOr2LAWIWydArw/tQu9/HKi00nAahOTW//7:Al+T/Fj2ztdv/R9/HK10/8I

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:
7.9730

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://dl.file16desktop.com/.../get10?p=13013&d=24699&l=24043&n=0&d1=1&s=mbs-f40&clickid=ac0e19cb-8841-4575-903c-cf1d7c48b526

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