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Viber Setup.exe

Viber

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application Viber Setup.exe by Download Assistant 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 AirInstaller Download Manager installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from v.evdls.com.
Publisher:
DownloadAsst_New  (signed by Download Assistant)

Product:
Viber

Version:
3.0.0.104

MD5:
d04bffb32c85c04296d25594478f4066

SHA-1:
0506631407741d1a640e41272163d03f02eb2157

SHA-256:
62feba9857a0346cf03257d316fac0ea0ec56eda2c38450101db6835f3b0de2b

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:
11/5/2024 2:49:03 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.5.13.22

File size:
960.2 KB (983,208 bytes)

Product version:
3.0.0.104

Copyright:
(c) DownloadAsst_New

Original file name:
Viber Setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\viber setup.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
2/15/2015 7:00:00 PM

Valid to:
2/16/2016 6:59:59 PM

Subject:
CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
3784E4CAC60231ED82FD7E8E845E8CE3

File PE Metadata
Compilation timestamp:
5/25/2015 11:14:56 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:ROr87KYR+66el+X9nWNj6/WSEynlZ3rbAMZGEu+KWbr:ErOf+66ely9nKj6uSHn/3nA6grEr

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 10, 49, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Entropy:
7.0546

Developed / compiled with:
Microsoft Visual C++

Code size:
574 KB (587,776 bytes)

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

http://v.evdls.com/v2/click/pn8b7cor/?d=http://software.downloadtree.net/viber.exe&sid=Viber-US&uid=3435547&key=49c98baa2e66a964be64a7955484341e30d7d0a34a4e958e29a86f62446ac78c&affiliate_image=&product_image=https://s3.amazonaws.com/evdlimages/.../product.png&n=Viber&filename=Viber Setup

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