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skype_setup.exe

Quick Downloader

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 skype_setup.exe by Quick Downloader has been detected as adware by 7 anti-malware scanners. The program is a setup application that uses the Adlogica Quick 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 download-file.downloadinfo.co.
Publisher:
Quick Downloader  (signed and verified)

MD5:
6373f2a82e81fcc6e6402f032b1ed107

SHA-1:
d2691129aff0057cf7c087ce020d90e902e5d554

SHA-256:
fd5fdc01869cbd9c5094fc7740f59f36cc5e1c0d33fd90ceee480d28efcb209a

Scanner detections:
7 / 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:
5/4/2024 7:47:14 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.InstallCore.406
9.0.1.0193

ESET NOD32
Win32/InstallCore.PK potentially unwanted application
7.0.302.0

K7 AntiVirus
Unwanted-Program
13.180.12701

Reason Heuristics
PUP.Installer.QuickDownloader.L
14.8.7.17

Sophos
Install Core
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
10487

VIPRE Antivirus
Threat.4786018
31088

File size:
818.6 KB (838,296 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adlogica Quick Downloader (using Inno Setup)

Language:
Language Neutral

Common path:
C:\Documents and Settings\{user}\My documents\downloads\skype_setup.exe

Digital Signature
Signed by:
Quick Downloader

Authority:
COMODO CA Limited

Valid from:
8/7/2013 5:00:00 PM

Valid to:
8/8/2014 4:59:59 PM

Subject:
CN=Quick Downloader, O=Quick Downloader, STREET=96 Jessie st, STREET=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:
00886E74060345A7D9DD833C2ADF305E49

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:7MFOCfjDmeiQVYmWWH6XD0Vjs1RJfVgBUlIbO8PX:7mtfXme5tWqMD0VaXf6bbOa

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, BF, A9, FF, FF, E8, 5E, 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:
7.8956

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

Code size:
37 KB (37,888 bytes)

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

http://download-file.downloadinfo.co/download/70/.../

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