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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 13 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 file.yourddl1000.info.
Publisher:
OTOPIA SOFT  (signed and verified)

MD5:
cbe63202c531b526f58612ea24708d65

SHA-1:
444ca04429a36b83c2de941de2c40ee36804474d

SHA-256:
8bd5da99e563a80b2b22b4951c2b50b0b1fe7597b918fd050215dcdfbf7f5471

Scanner detections:
13 / 68

Status:
Adware

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

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/25/2024 4:14:30 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.12.22

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.197.38

AVG
Potentially harmful program Downloader.CPI
2014.0.4235

ESET NOD32
Win32/OutBrowse.BK potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
12/22/2014

IKARUS anti.virus
PUA.OutBrowse
t3scan.1.8.5.0

K7 AntiVirus
Trojan
13.188.14410

Malwarebytes
PUP.Optional.OutBrowse
v2014.12.22.09

McAfee
Adware-OutBrowse.c
5600.6909

Reason Heuristics
PUP.OTOPIASOFT.M
15.1.4.13

Sophos
Generic PUA ON
4.98

Trend Micro House Call
Suspici.72DCD068
7.2.356

VIPRE Antivirus
Threat.4823950
35418

File size:
558.1 KB (571,472 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 3:24:56 AM

Valid to:
12/6/2015 3:24:56 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 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:E3dmJMaHF7/985IXKdVzMo/VER7h5VRVW8+sfIkOU3U8yZDpMH22:E3JUB/25IIwo/VEdh5VyhTsUTZ6H2

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:
7.9732

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://file.yourddl1000.info/.../Get?p=13013&d=24699&l=24043&n=0&d1=1&s=mbs-f40&clickid=5dc3a34b-b400-4b21-b219-30e0e63ebe1f

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