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skype.exe

Develop Interface

This adware bundler is distributed through Adknowledge's advertising supported software managers. The application skype.exe, “Prime Installer ” by Develop Interface 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 www.ifreeupdates.com.
Publisher:
Prime Installer   (signed by Develop Interface)

Product:
Prime Installer

Description:
Prime Installer

Version:
3.5.9.2

MD5:
466dead62c841682f6f4c45e9bc43872

SHA-1:
349e350f4e53f5b79d70ff62ce3acb9059a0122b

SHA-256:
0f4a2bd0fd984e7a43d9c9546b540980724da3b293ed940e6d851716b3c34cad

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:
12/25/2024 4:23:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adknowledge (M)
16.8.2.15

File size:
421.9 KB (432,000 bytes)

Product version:
3.5.9.2

Copyright:
Copyright (C) Prime Installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Adknowledge Fusion

Language:
English (United States)

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

Digital Signature
Signed by:
Develop Interface

Authority:
COMODO CA Limited

Valid from:
3/23/2014 8:00:00 PM

Valid to:
3/24/2015 7:59:59 PM

Subject:
CN=Develop Interface, O=Develop Interface, STREET="4600 Madison Ave, 10th FL", 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:
008E9C74F3A6D76C534AC4D06647FFCEE9

File PE Metadata
Compilation timestamp:
2/9/2015 5:00:26 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:oyr7k7uTe6HVB1VFgK92szxr5G4w1lo3pe:rhaCT1VFgKkGJhp5e

Entry address:
0x1B8E3

Entry point:
E8, 14, A2, 00, 00, E9, 78, FE, FF, FF, CC, CC, CC, 68, 50, B9, 41, 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, 50, 27, 44, 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, CC, CC, CC, CC, CC, CC, CC, 8B, FF, 55, 8B, EC, 83, EC, 18, 53, 8B, 5D, 0C, 56, 8B, 73, 08, 33, 35, 50...
 
[+]

Entropy:
7.0825

Code size:
194 KB (198,656 bytes)

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

http://www.ifreeupdates.com/.../download.php?id=54d930f86ad42&i=74

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