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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 10 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:
402586b3449a707a2c70ee166ea5d35c

SHA-1:
4e1d28406d77cc87c2d40d61b469d7a6489c042e

SHA-256:
c90c1dd185f016c5a7e36aeca51fee89d74146ba3eb1705e3f29a7bbd9b1bafa

Scanner detections:
10 / 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:
11/2/2024 5:24:04 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Outbrowse.Gen
7.11.199.240

AVG
Downloader
2016.0.3237

Dr.Web
Trojan.KillFiles.20838
9.0.1.05190

ESET NOD32
Win32/OutBrowse.BQ potentially unwanted application
7.0.302.0

F-Secure
Trojan.Generic.11399668
5.13.68

K7 AntiVirus
Riskware
13.1814568

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

Malwarebytes
PUP.Optional.OutBrowse
v2015.01.07.11

Reason Heuristics
PUP.BESTAPP.M
15.1.7.11

Trend Micro House Call
Suspici.2F9E2453
7.2.7

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:
BEST APP

Authority:
thawte, Inc.

Valid from:
1/3/2015 7:00:00 PM

Valid to:
12/17/2015 6:59:59 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 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:iyW6iOs2v1SOW6f9ndf7gH2GhhxkC4CSvTwNTnl2wYK:i36Nxv1/WMH7gH3cbuZ

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 2 URLs.

http://get1.down1004life.info/.../get24?p=13013&d=24699&l=24043&n=0&d1=1&s=mbs-f40&clickid=80ed836b-3956-4d29-8637-4eb3c66f6003

http://file.yourddl1000.info/.../Get?p=13013&d=24699&l=24043&n=0&d1=1&s=mbs-f40&clickid=80ed836b-3956-4d29-8637-4eb3c66f6003

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