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skype_setup.exe

TINY INSTALLER

Tiny Installer is a download manager variant from Adknowledge that packages various adware-type offers (toolbar, coupon extensions, utilities) with software distributions. The application skype_setup.exe, “Express Install ” by TINY INSTALLER has been detected as adware by 33 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent.
Publisher:
Express Install   (signed by TINY INSTALLER)

Product:
Express Install

Description:
Express Install

Version:
3, 7, 1, 0

MD5:
5d9ac28b8820f11344d34a01db1ce39c

SHA-1:
c6721d6d0ce5bfb20a58a42c7e8cb9dc52288d25

SHA-256:
ad87bbb26088a6ca7e0bb94d917ad86584bf3ee2a8a2e4dbcc313198950ac6d0

Scanner detections:
33 / 68

Status:
Adware

Explanation:
The Tiny Installer download manager bundles various adware components.

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:
4/25/2024 1:56:32 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Application.Bundler.OptimumInstaller.5
389

Agnitum Outpost
Riskware.AdWare
7.1.1

AhnLab V3 Security
Trojan/Win32.Buzus
16.01.11

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.149.54

avast!
Win32:IBryte-BY [PUP]
2014.9-160111

AVG
Adware Skodna.Generic
2017.0.2867

Bitdefender
Gen:Variant.Application.Bundler.OptimumInstaller.5
1.0.20.55

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.Adware.iBryte.BAA
18025

Dr.Web
Adware.Downware.1554
9.0.1.011

Emsisoft Anti-Malware
Gen:Variant.Application.Bundler.OptimumInstaller
8.16.01.11.12

ESET NOD32
Win32/Adware.iBryte.CB.Gen application
10.7.0.302.0

Fortinet FortiGate
Riskware/PremiumInstaller
1/11/2016

F-Prot
W32/S-352b3331
v6.4.7.1.166

F-Secure
Riskware.Gen:Variant.Application.Bundler
11.2016-11-01_2

G Data
Win32.Adware.IBryte
16.1.24

IKARUS anti.virus
PUA.TinyInstaller
t3scan.1.7.8.0

K7 AntiVirus
Adware
13.176.11613

Kaspersky
not-a-virus:AdWare.Win32.iBryte
14.0.0.832

Malwarebytes
PUP.Optional.OptimumInstaller.A
v2016.01.11.12

MicroWorld eScan
Gen:Variant.Application.Bundler.OptimumInstaller.5
17.0.0.33

NANO AntiVirus
Trojan.Win32.Buzus.ckibss
0.28.0.58720

Norman
Gen:Variant.Application.Bundler.OptimumInstaller.5
11.20160111

nProtect
Trojan-Clicker/W32.iBryte.1813288
14.03.31.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Quick Heal
Adware.iBryte.EK4
1.16.14.00

Reason Heuristics
PUP.Adknowledge.TINYINSTALLER.Installer (M)
16.1.11.12

Rising Antivirus
PE:Trojan.Kryptik!6.53F
23.00.65.16109

Sophos
PUA 'iBryte Optimum Installer'
5.14

SUPERAntiSpyware
PUP.IBryte/Variant
9392

Vba32 AntiVirus
SScope.Malware-Cryptor.iBryte
3.12.26.0

VIPRE Antivirus
Trojan.Win32.Kryptik.blxe
29156

Zillya! Antivirus
Trojan.Buzus.Win32.119415
2.0.0.1786

File size:
1.7 MB (1,813,288 bytes)

Product version:
3, 7, 1, 0

Copyright:
Copyright (C) 2013 Express Install

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

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

Digital Signature
Signed by:
TINY INSTALLER

Authority:
VeriSign, Inc.

Valid from:
6/2/2013 5:00:00 PM

Valid to:
6/3/2014 4:59:59 PM

Subject:
CN=TINY INSTALLER, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=TINY INSTALLER, L=Wilmington, S=Delaware, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
54C184C0CB6B6510B3582483FC098463

File PE Metadata
Compilation timestamp:
10/25/2013 11:45:41 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
49152:+4jMfEG/6ZskSiunvHXQjcKXRcD7aSNiCLeHiCz:zMfEG/6ZYvgQCcDWSUCy

Entry address:
0x35995

Entry point:
E8, 5E, 8C, 00, 00, E9, 78, FE, FF, FF, 6A, 0C, 68, 78, 4C, 47, 00, E8, C1, 35, 00, 00, 83, 65, E4, 00, 8B, 75, 08, 3B, 35, F8, 3B, 5B, 00, 77, 22, 6A, 04, E8, 61, 8E, 00, 00, 59, 83, 65, FC, 00, 56, E8, C3, 9B, 00, 00, 59, 89, 45, E4, C7, 45, FC, FE, FF, FF, FF, E8, 09, 00, 00, 00, 8B, 45, E4, E8, CD, 35, 00, 00, C3, 6A, 04, E8, 44, 8D, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 83, 3D, 54, 28, 5B, 00, 00, 75, 18, E8, 99, 81, 00, 00, 6A, 1E, E8, C1, 7F, 00, 00, 68, FF, 00, 00, 00, E8, D7, 4C, 00, 00, 59, 59, A1...
 
[+]

Entropy:
7.1466

Code size:
390 KB (399,360 bytes)

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

http://downloader2.downloadinfo.co/download.php?id=e7879f4e498e9c19a16c07d3a2c09ebcc6581e23&z=1&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW43IiwiYiI6ImNoMjkiLCJ1X2lkIjoiZGlfNTI2Y2EwY2NlOTkyYzIuMjIzMTMwNDciLCJwYV9pZCI6IjEiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzgyODUwNzY1LCJrdyI6ImRvd25sb2FkIG5ld3NreXBlIiwiY3UiOiJza3lwZSIsImNhIjpudWxsfQ==

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