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skype.exe

App secure LLC

This is the Softpulse installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application skype.exe by App secure 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 Softpulse SoftwareBundler installer. The file has been seen being downloaded from fastjavinstall.com.
Publisher:
App secure LLC  (signed and verified)

MD5:
183da8cda075cbdc187b8094af76034d

SHA-1:
863764928024174ed5963e344669c04312f244b2

SHA-256:
273249c5ea1774b6c8aabd418deb4cbb11d50e3820cb0814d19afd88acc93af2

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

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:
12/28/2024 9:17:59 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Softpulse.Appsecur.Bundler (M)
16.3.26.8

File size:
485.5 KB (497,128 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Softpulse SoftwareBundler

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

Digital Signature
Signed by:
App secure LLC

Authority:
VeriSign, Inc.

Valid from:
12/17/2014 4:00:00 AM

Valid to:
12/18/2015 3:59:59 AM

Subject:
CN=App secure LLC, O=App secure LLC, 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:
5D0A1845D85007CD040B350F48C5F721

File PE Metadata
Compilation timestamp:
3/1/2015 1:34:54 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:etDyfK49N2repycGHbt/mB4b1pHLT9gjY3RNuF5V:Fi4bc7ZmB4J9LpIYbWX

Entry address:
0x1000

Entry point:
B8, B0, DC, 58, 00, 50, 64, FF, 35, 00, 00, 00, 00, 64, 89, 25, 00, 00, 00, 00, 33, C0, 89, 08, 50, 45, 43, 6F, 6D, 70, 61, 63, 74, 32, 00, 5D, A6, CB, FE, E1, 56, 16, CD, 5D, 72, C0, 17, CF, 7D, EE, 01, 07, 95, 8A, 01, 86, CF, 52, 4F, D9, A7, 64, 8D, B7, 4C, E0, 12, B4, DF, 60, 56, E2, 04, 0D, FC, 26, AF, 52, 74, 4A, AA, 7A, 4E, FD, 26, 75, 3F, 75, A6, 35, E3, DC, 39, E8, C5, C5, 40, A6, AD, 79, 18, 3D, 77, D1, F3, 70, 9C, 1B, 29, D4, BB, C5, 4B, F2, 47, 67, D3, DD, CD, 2C, 2D, D8, C8, EA, 45, 02, 45, 38...
 
[+]

Entropy:
7.9406

Packer / compiler:
PECompact v2

Code size:
965.5 KB (988,672 bytes)

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

http://fastjavinstall.com/.../out.php?sxid=u1ecqp529429

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