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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 26 anti-malware scanners. The program is a setup application that uses the Adknowledge Fusion installer. The file has been seen being downloaded from install.oinstaller5.com and multiple other hosts.
Publisher:
Express Install   (signed by TINY INSTALLER)

Product:
Express Install

Description:
Express Install

Version:
3, 7, 1, 0

MD5:
d91cc240e044cb7d4d5a1ef9e33beae3

SHA-1:
2244677dc0682bf27c7f9d6a7530d36ed16ad0d2

SHA-256:
6671d923530e00e6f6eea2ef2a8265550b5b18af46f8cf2e9ae2c3b305e9e555

Scanner detections:
26 / 68

Status:
Adware

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

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/19/2024 12:22:38 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Trojan.Buzus
7.1.1

AhnLab V3 Security
Trojan/Win32.Buzus
15.01.09

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.149.54

avast!
IBryte-GK [PUP]
150102-1

AVG
Adware Skodna.Generic.APN
2014.0.4253

Comodo Security
Application.Win32.Adware.iBryte.BAA
18263

Dr.Web
Adware.Downware.1602, Adware.Downware.1554
9.0.1.05190

ESET NOD32
Win32/AdWare.iBryte.Q application
7.0.302.0

Fortinet FortiGate
Riskware/PremiumInstaller
1/9/2015

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

G Data
Win32.Adware.IBryte
15.1.24

IKARUS anti.virus
PUA.TinyInstaller
t3scan.1.7.8.0

K7 AntiVirus
Trojan
13.177.12061

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

Malwarebytes
PUP.Optional.OptimumInstaller.A
v2015.01.09.04

NANO AntiVirus
Trojan.Win32.Buzus.ckicle
0.28.0.59826

nProtect
Trojan-Clicker/W32.iBryte.1799976
14.05.12.01

Qihoo 360 Security
Malware.QVM10.Gen
1.0.0.1015

Quick Heal
Adware.iBryte.EK4
1.15.14.00

Reason Heuristics
PUP.Installer.TINYINSTALLER.L
15.1.9.16

Rising Antivirus
PE:Trojan.Kryptik!6.53F
23.00.65.15107

Sophos
PUA 'iBryte Optimum Installer'
5.09

SUPERAntiSpyware
PUP.IBryte/Variant
10126

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 (1,791,272 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 7:00:00 PM

Valid to:
6/3/2014 6:59:59 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:
11/1/2013 11:08:16 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
49152:jfKpB7JuuWTFyeB/F6QaUd0iErLfARzmQBFEaBbXomNv:7IJuDFy4Z9sLoRzrFBbXf

Entry address:
0x360C5

Entry point:
E8, BE, 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, B8, DF, 5A, 00, 77, 22, 6A, 04, E8, C1, 8E, 00, 00, 59, 83, 65, FC, 00, 56, E8, 23, 9C, 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, A4, 8D, 00, 00, 59, C3, 8B, FF, 55, 8B, EC, 83, 3D, 14, CC, 5A, 00, 00, 75, 18, E8, F9, 81, 00, 00, 6A, 1E, E8, 21, 80, 00, 00, 68, FF, 00, 00, 00, E8, 37, 4D, 00, 00, 59, 59, A1...
 
[+]

Entropy:
7.1362

Code size:
392 KB (401,408 bytes)

The file skype_setup.exe has been seen being distributed by the following 3 URLs.

https://install.oinstaller5.com/201311021533/2cce265bf11dbdeb9dd75c2ffe8a2f08/.../Skype_Setup.exe

http://secure.pn-installer1.com/201311021533/2cce265bf11dbdeb9dd75c2ffe8a2f08/.../Skype_Setup.exe

http://downloader2.downloadinfo.co/download.php?id=e7879f4e498e9c19a16c07d3a2c09ebcc6581e23&z=1&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW44IiwiYiI6ImNoMzAiLCJ1X2lkIjoiZGlfNTI3NTE4NTQxNzI1YjQuNTAwMzQwMDUiLCJwYV9pZCI6IjEiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzgzNDA1NjUyLCJrdyI6InNreXBlIHdpbmRvd3MgOCIsImN1Ijoic2t5cGUgd2luZG93cyA4IiwiY2EiOm51bGx9

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