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viber_setup.exe

Web Internet Installer

Advertiso GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application viber_setup.exe, “Web Internet Installer Setup ” by Advertiso GmbH 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 securecloudfiledownload1423847076.s3-eu-west-1.amazonaws.com.
Publisher:
Web   (signed by Advertiso GmbH)

Product:
Web Internet Installer

Description:
Web Internet Installer Setup

Version:
5.6.1.6

MD5:
3b283783409dfa87b9d43dd128e5d2e4

SHA-1:
6d87f186c889ef968b4952d6cee16753eca303df

SHA-256:
bef535ab10c8f36eeeb690357ba7e7f69a051540cdfa18da3d84a0a6bf85ec60

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 an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/27/2024 12:35:36 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.9.14

File size:
718.5 KB (735,768 bytes)

Product version:
5.4

Copyright:
Installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\viber_setup.exe

Digital Signature
Signed by:
Advertiso GmbH

Authority:
thawte, Inc.

Valid from:
12/29/2014 12:00:00 AM

Valid to:
12/29/2015 11:59:59 PM

Subject:
CN=Advertiso GmbH, OU=IT, O=Advertiso GmbH, L=Hamburg, S=GERMANY, C=DE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
7E5F851B9C4C163A47AAE7723B03CDA9

File PE Metadata
Compilation timestamp:
6/19/1992 10:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:QbIpYyIkcDFvUMR48y/WqLUh+d32qj9cC7LaOvBS+KpanGJAhA9Nus3JVH7eXJT:QbImyIhWMBqLi+dmqxcC7LaC9RaAe9UR

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

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

https://securecloudfiledownload1423847076.s3-eu-west-1.amazonaws.com/softwares/binary/665334/.../viber_setup.exe

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