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skype_setup.exe

Safe Down

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application skype_setup.exe, “Premium Installer ” by Safe Down 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 secure.oi-installer2.com.
Publisher:
Premium Installer   (signed by Safe Down)

Product:
Premium Installer

Description:
Premium Installer

Version:
2.4.8.1

MD5:
487e0bac225dc8583f4e8431e586a39d

SHA-1:
e4942ad011d00c48caaf7d53f44d364ecf6f506f

SHA-256:
afe241c8fea3f01c2b286697bc9cc7bd36d8d8b94b836a78c0417f18ecb91e39

Scanner detections:
1 / 68

Status:
Adware

Explanation:
This installer bundles various adware prorgams that may include toolbars and web browser advertising injectors/extensions.

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 1:13:03 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge.SafeDown.Bundler (M)
16.1.6.4

File size:
81.4 KB (83,312 bytes)

Product version:
2.4.8.1

Copyright:
Copyright (C) Premium Installer

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:
Safe Down

Authority:
COMODO CA Limited

Valid from:
3/17/2014 5:00:00 PM

Valid to:
3/18/2015 4:59:59 PM

Subject:
CN=Safe Down, O=Safe Down, STREET="4600 Madison Ave., FL 10", L=Kansas City, S=Missouri, PostalCode=64112, C=US

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

Serial number:
00FA71459C161D5D538F7612ACFBFBB680

File PE Metadata
Compilation timestamp:
9/16/2014 6:30:23 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
1536:b9bVjX8CkJ0iae4YwPR/WX9mxe2AHaxvBlcpRUQC8f2CWPXWO1AmLhZzil:bfwVOlY0PplcpRUFeO19Ze

Entry address:
0x9731

Entry point:
E8, 52, 05, 00, 00, E9, 36, FD, FF, FF, CC, FF, 25, AC, B1, 40, 00, FF, 25, A8, B1, 40, 00, 68, A1, 97, 40, 00, 64, FF, 35, 00, 00, 00, 00, 8B, 44, 24, 10, 89, 6C, 24, 10, 8D, 6C, 24, 10, 2B, E0, 53, 56, 57, A1, 1C, F0, 40, 00, 31, 45, FC, 33, C5, 50, 89, 65, E8, FF, 75, F8, 8B, 45, FC, C7, 45, FC, FE, FF, FF, FF, 89, 45, F8, 8D, 45, F0, 64, A3, 00, 00, 00, 00, C3, 8B, 4D, F0, 64, 89, 0D, 00, 00, 00, 00, 59, 5F, 5F, 5E, 5B, 8B, E5, 5D, 51, C3, 8B, FF, 55, 8B, EC, FF, 75, 14, FF, 75, 10, FF, 75, 0C, FF, 75...
 
[+]

Entropy:
6.2050

Code size:
39.5 KB (40,448 bytes)

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

http://secure.oi-installer2.com/o/.../Skype_Setup.exe

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