iroot.exe

Setup

BESt install tll

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application iroot.exe by BESt install tll has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs.
Publisher:
BESt install tll  (signed and verified)

Product:
Setup

Version:
1.9.3.0

MD5:
382044c2b31fc57a4df8127bebf7be4b

SHA-1:
078e64c15eaa804958e0fd0d7d7fafed2f31437e

SHA-256:
7cb1eb4428ee72fd64f103dd56eb61dadaced6926018741ec81e73bbc9a37613

Scanner detections:
6 / 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:
12/27/2024 1:31:02 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
PUA/Outbrowse.Gen
7.11.215.136

AVG
Adware AdPlugin.CUA
2014.0.4257

ESET NOD32
Win32/OutBrowse.BU potentially unwanted application
7.0.302.0

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
15.0.0.543

NANO AntiVirus
Trojan.Win32.Generic.dorbni
0.30.0.296

Reason Heuristics
PUP.Bundler.Outbrowse
15.3.10.1

File size:
1.1 MB (1,146,752 bytes)

Product version:
1.9.3.0

Copyright:
Setup

Original file name:
Ionic.Zip-2015Mar10-045138-ddfc8f73-b8a7-4cf6-bc01-6b8536746a76.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\iroot.exe

Digital Signature
Authority:
thawte, Inc.

Valid from:
3/8/2015 8:00:00 PM

Valid to:
1/27/2016 6:59:59 PM

Subject:
CN=BESt install tll, O=BESt install tll, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
47B53219F51F0C2A261EB0695E1E7E4B

File PE Metadata
Compilation timestamp:
3/10/2015 12:51:38 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:abSaE4mvt/7pUKDzM39nhJLAQ5dIUhaS:abSv4mvRpTe9nhJLAYXI

Entry address:
0x75F3E

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.5750

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
464 KB (475,136 bytes)

The file iroot.exe has been seen being distributed by the following URL.

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