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skype.exe

Software Web

Avitzur Efrati Management Initiatives Ltd

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application skype.exe, “Software Web Setup ” by Avitzur Efrati Management Initiatives 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 installCore installer. The file has been seen being downloaded from cdn2.downloadastro.com.
Publisher:
App Soft   (signed by Avitzur Efrati Management Initiatives Ltd)

Product:
Software Web

Description:
Software Web Setup

MD5:
6ab84719890dff4b9b5924e1a284cd7c

SHA-1:
e0102c019d90c5b02e3ae7ceeee9edd6950c7d3c

SHA-256:
aea3df5464b4d8b6bde2a5c5778afadde22ae7109ebd9d0393bce29a4cea4663

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:
5/7/2024 11:01:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.5.0

File size:
714.6 KB (731,728 bytes)

Product version:
4.7.1

Copyright:
Installer generic

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
Avitzur Efrati Management Initiatives Ltd

Authority:
DigiCert Inc

Valid from:
1/12/2015 2:00:00 AM

Valid to:
1/20/2016 2:00:00 PM

Subject:
CN=Avitzur Efrati Management Initiatives Ltd, O=Avitzur Efrati Management Initiatives Ltd, L=Petah Tikva, S=Petah Tikva, C=IL

Issuer:
CN=DigiCert SHA2 Assured ID Code Signing CA, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0ECF1F40DAE092F2BFC5CB2FFCA12F72

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:qx+pJk6ruOzzKfAlcxzkVCqG0Ml25o0CZGIHqbe2ggJwZRoSXysfqm+oKZSS:qx+zp7HKhZqCll25oLDHqSgJM7XEmHKB

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:
7.8852

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

Code size:
37 KB (37,888 bytes)

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

http://cdn2.downloadastro.com/?ic_user_id=9329

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