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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 12 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 and multiple other hosts.
Publisher:
OTOPIA SOFT  (signed and verified)

MD5:
9a3511d01050a0856f04da6450ec7f30

SHA-1:
184cb2e8d80fca89b2c4bb69707a64d4568bf502

SHA-256:
0bde72fb042691a51e33c6afc20e5f0bd30c8eb7f288c403e47eab7bb370b8b2

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/27/2024 11:28:57 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.01.13

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.200.132

avast!
Adware-gen [Adw]
150101-1

AVG
Downloader
2016.0.3231

Dr.Web
Trojan.OutBrowse.54
9.0.1.05190

ESET NOD32
Win32/OutBrowse.BK potentially unwanted application
7.0.302.0

IKARUS anti.virus
PUA.OutBrowse
t3scan.1.8.6.0

K7 AntiVirus
Trojan
13.191.14617

McAfee
Adware-OutBrowse.c
5600.6887

NANO AntiVirus
Trojan.Win32.InstallMonster.dlnqnw
0.30.0.64448

Reason Heuristics
PUP.OTOPIASOFT.M
15.1.12.16

VIPRE Antivirus
Threat.4823950
36504

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 1:24:56 AM

Valid to:
12/6/2015 1:24:56 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 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:Wh+T/D4c5QM2uOr2LAWIWydArw/tQu9/HKi00nAahOTW//:Wh+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:
7.9729

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 2 URLs.

http://dl.file16desktop.com/.../get10?p=13013&d=24699&l=24043&n=0&d1=1&s=mbs-f40&clickid=f8541e60-55a9-4e9c-b3d2-9a7e7a2e8dad

http://file.yourddl1000.info/.../Get?p=13013&d=24699&l=24043&n=0&d1=1&s=mbs-f40&clickid=f8541e60-55a9-4e9c-b3d2-9a7e7a2e8dad

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