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avast! free antivirus.exe

avast! Free Antivirus

Bechiro S.L.

This is the Solimba installer program that will bundle additional offers mostly including adware and various unwanted PC utilities. The application avast! free antivirus.exe, “avast! Free Antivirus AppInstaller” by Bechiro S.L has been detected as adware by 22 anti-malware scanners. The program is a setup application that uses the Solimba DownloadMR installer. The installer uses the Solimba download manager to push adware offers during the download and setup process. Bundled adware includes search and shopping web browser toolbars. 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:
Bechiro S.L.  (signed and verified)

Product:
avast! Free Antivirus

Description:
avast! Free Antivirus AppInstaller

Version:
3.0.16.0

MD5:
2959b89e6934bd9db0aba8ad15cd9be6

SHA-1:
5feb59fc263f46d85287d3378b3833f6683e3758

SHA-256:
a24970db5ec9950d663d5915b8d64f92d05710a594a562908a7329546c6d3202

Scanner detections:
22 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
12/26/2024 12:40:28 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Solimba
7.1.1

Avira AntiVirus
PUA/Solimba.Gen
8.3.1.6

avast!
Morstar-U [PUP]
2014.9-160216

AVG
Adware Skodna.Generic
2017.0.2832

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.Solimba.L
22380

Dr.Web
Adware.Downware.1302
9.0.1.047

ESET NOD32
MSIL/Solimba potentially unwanted application
10.7.0.302.0

Fortinet FortiGate
Adware/Solimba
2/16/2016

G Data
Win32.Application.Solimba
16.2.25

K7 AntiVirus
Unwanted-Program
13.204.16167

Kaspersky
not-a-virus:Downloader.Win32.Solimba
14.0.0.655

Malwarebytes
PUP.Optional.Solimba
v2016.02.16.02

NANO AntiVirus
Trojan.Win32.DownLoad3.daevxj
0.30.24.1636

Panda Antivirus
Adware/Firseria
16.02.16.02

Quick Heal
PUA.Bechirosl.Gen
2.16.14.00

Reason Heuristics
PUP.Solimba.Bechiro.Bundler (M)
16.2.16.2

Rising Antivirus
PE:PUF.FirseriaInstaller@CV!1.5C42
23.00.65.16214

Sophos
PUA 'Solimba Installer'
5.15

Trend Micro House Call
TROJ_GEN.F47V0717
7.2.47

Vba32 AntiVirus
Signed-Downware.Morstar.BechiroSL
3.12.26.4

VIPRE Antivirus
DownloadMR
40938

File size:
271.6 KB (278,072 bytes)

Copyright:
AppInstaller 2013 (132042122)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

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

Digital Signature
Signed by:
Bechiro S.L.

Authority:
Thawte, Inc.

Valid from:
6/13/2012 2:00:00 AM

Valid to:
6/14/2014 1:59:59 AM

Subject:
CN=Bechiro S.L., OU=Devel, O=Bechiro S.L., L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
738DCAC697C06E1B89D106073773010D

File PE Metadata
Compilation timestamp:
2/19/2012 4:01:49 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
6144:rsaocyLCVofzQUgmsqX8f4N1XeeQxvQtxPDI9bzXz:rtobh7QU18f4Ov4I9vXz

Entry address:
0x4327

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 93, 42, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 94, 42, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 94, 42, 00, 56, A3, 40, 7B, 42, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8D, 3B, 00, 00, A3, 9C, 7B, 42, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, 01, B3, 40, 00, FF, 15, AC, 94, 42, 00, 83, EC, 14, C7, 44, 24, 04, 02, B3, 40, 00, C7...
 
[+]

Code size:
34.5 KB (35,328 bytes)

The file avast! free antivirus.exe has been seen being distributed by the following URL.

http://it.pc-file.info/avast-free-antivirus/download/.../686

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to cdn.solimba.com  (95.211.6.35:80)

TCP (HTTP):
Connects to api.downloadmr.com  (95.211.39.161:80)

 
http://api.downloadmr.com/installer/211040793/launch

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