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Avast.exe

Avast

Install Helper

This is the Vittalia Filewon Installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application Avast.exe by Install Helper 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 Vittalia DM installer. The installer is marketed through download protals and search ads as the free AVAST Antivirus but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Install Helper  (signed and verified)

Product:
Avast

Version:
3.0.0.84

MD5:
ec847feca01fced6b56c390b90d2256c

SHA-1:
5b389645dced1659ea30a45df8c8919260273367

SHA-256:
4854330a89d12c526d4f0b04adf5522083b440cd9011ce611270b59b2ffba69e

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
11/15/2024 10:38:42 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia.InstallH (M)
16.5.19.14

File size:
844.2 KB (864,416 bytes)

Product version:
3.0.0.84

Copyright:
(c) Install Helper

Original file name:
Avast.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM

Language:
English (United States)

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

Digital Signature
Signed by:
Install Helper

Authority:
Symantec Corporation

Valid from:
1/28/2015 7:00:00 PM

Valid to:
1/29/2016 6:59:59 PM

Subject:
CN=Install Helper, O=Install Helper, L=Vancouver, 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:
7CC3624C218D0B5B8DB87F5E4E3521B0

File PE Metadata
Compilation timestamp:
3/9/2015 12:31:21 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:knHHk/86b+GqCecd2dc2s6hnxiWg8GODcK6Ziah9IaeS18+F5N083C7osWVAKOH5:kHK8QDh2i76VtGOe9l2+nz3hMFYAPbr

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 90, 47, 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:
7.0560

Developed / compiled with:
Microsoft Visual C++

Code size:
478.5 KB (489,984 bytes)

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

http://download.program-assist.com/v2/click/b8152820/?d=http://www.installer-assist.com/download/avast_free.exe&key=8dcec7f297a61dd9961d173b1f5b1e507f94ec526fe18e72d1b2237ed7d4a75c&sid=Avast&uid=Avast&affiliate_image=http://download-assist.com/admin/.../Avast_i.png&product_image=http://download-assist.com/admin/.../Avast_p.png&n=Avast&filename=Avast

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