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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 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the Adknowledge Fusion installer. The file has been seen being downloaded from downloader2.downloadinfo.co.
Publisher:
Express Install   (signed by TINY INSTALLER)

Product:
Express Install

Description:
Express Install

Version:
3, 7, 1, 0

MD5:
dbae16abb728edbfc7de44eb03fb2ce5

SHA-1:
aaf755ffb3f294ba4cc63bc26dcaa70cc615c1dd

SHA-256:
a43575c4661dac73d735f55a2656f9b8f45f186db0d1d026e036e8992b8d81c6

Scanner detections:
1 / 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:
12/25/2024 12:49:52 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge (M)
16.7.29.15

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:mfKpB7JuuWTFyeB/F6QaUd0iErLfARzmQBFEaBbXImNv:cIJuDFy4Z9sLoRzrFBbX/

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 URL.

http://downloader2.downloadinfo.co/download.php?id=e7879f4e498e9c19a16c07d3a2c09ebcc6581e23&z=1&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJ1cyIsIm8iOiJ3aW43IiwiYiI6ImNoMzAiLCJ1X2lkIjoiZGlfNTI3NTkxOGM3ODdkYjQuMjA1NzcyNjMiLCJwYV9pZCI6IjEiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzgzNDM2Njg0LCJrdyI6InNreXBlIiwiY3UiOiJza3lwZSIsImNhIjpudWxsfQ==

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