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skypesetup.exe

Fast Downloads

The Adlogica setup manager, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application skypesetup.exe by Fast Downloads has been detected as adware by 11 anti-malware scanners. The program is a setup application that uses the Adlogica Downloader installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from downloader2.downloadinfo.co.
Publisher:
Fast Downloads  (signed and verified)

MD5:
3c0a2be05a08beae97d378be83150796

SHA-1:
8728489314f658e67632aa9ae3b1256f90c86fc8

SHA-256:
884a02241778c0e49c387b1a8f1b2aad9825954fdfb1a1b94889e23c5fa8e7b3

Scanner detections:
11 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
4/26/2024 7:56:34 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.168.134

AVG
Adware InstallCore.LA
2014.0.4007

Dr.Web
Trojan.Packed.24814
9.0.1.05190

ESET NOD32
Win32/InstallCore.IL potentially unwanted application
7.0.302.0

Reason Heuristics
PUP.Installer.FastDownloads.K
14.8.21.13

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14819

Sophos
Install Core Click run software
4.98

Vba32 AntiVirus
Downware.InstallCore
3.12.26.3

VIPRE Antivirus
Threat.4786018
32210

Zillya! Antivirus
Adware.Agent.Win32.8971
2.0.0.1897

File size:
734.2 KB (751,840 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Downloader (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Fast Downloads

Authority:
COMODO CA Limited

Valid from:
8/14/2013 1:00:00 AM

Valid to:
8/15/2014 12:59:59 AM

Subject:
CN=Fast Downloads, O=Fast Downloads, STREET=96 Jessie st 4th floor, L=San Francisco, S=CA, PostalCode=94105, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00D9726FD3E4B9094351093A3495F1FE97

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:RyvpkdLDlMUHQvj1fEUOILwIVDZcRChddu6P0dcAgp4Qw/lS731rGs:0vSd6JEBYfZphdduY4cKB/07lr

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8536

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

http://downloader2.downloadinfo.co/download.php?id=c78d4cea467af8c88eb24161a2fc3a35a48a7340&z=0&p=eyJweSI6ImRpIiwicnMiOiJnb29nbGUiLCJydCI6InNlYXJjaCIsImMiOiJnYiIsIm8iOiJ3aW44IiwiYiI6ImNoMzEiLCJ1X2lkIjoiZGlfNTJkODJhZjUyNGU4MDAuMTM1NjA0MTciLCJwYV9pZCI6IjAiLCJzdF9pZCI6IjAiLCJzcF9pZCI6IjAwMDAtMDAwMCIsInRzIjoxMzg5ODk4NDg1LCJrdyI6InNreXBlIGRvd25sb2FkaW5nIiwiY3UiOiJza3lwZSBkb3dubG9hZGluZyIsImNhIjpudWxsfQ==

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