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avast.exe

Avast

Apps Installer S.L.

This is the Solimba installer program that will bundle additional offers mostly including adware and various unwanted PC utilities. The application avast.exe, “Avast AppInstaller” by Apps Installer S.L has been detected as adware by 21 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. With this installer, users are expecting to download the free AVAST Antivirus but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Apps Installer S.L.  (signed and verified)

Product:
Avast

Description:
Avast AppInstaller

Version:
3.0.8.0

MD5:
01d51889dd5766f58412d03ff7d409f0

SHA-1:
540880bc147cc34c2187dd6a399ed0cb43233589

SHA-256:
d361880c27014135a9ef689c0245edc186a26649abb84175489b0c07a744c5d5

Scanner detections:
21 / 68

Status:
Adware

Explanation:
This is a wrapped installation of legitimate software (without persmission of the developer) and bundles adware such as toolbars and extensions.

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:
4/16/2024 9:43:04 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Solimba
7.1.1

Avira AntiVirus
APPL/Solimba.Gen
7.11.145.108

avast!
Win32:Solimba-C [PUP]
2014.9-160127

AVG
Skodna.Generic
2017.0.2852

Comodo Security
Application.Win32.Solimba.GW
18173

Dr.Web
Adware.Downware.1125
9.0.1.027

ESET NOD32
MSIL/Solimba
10.9728

Fortinet FortiGate
Adware/Solimba
1/27/2016

IKARUS anti.virus
APPL
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.176.11896

Malwarebytes
PUP.Optional.Solimba
v2016.01.27.05

McAfee
Artemis!027A62A0100A
5600.6508

NANO AntiVirus
Riskware.Nsis.Downware.cwebzf
0.28.0.59288

Qihoo 360 Security
HEUR/Malware.QVM03.Gen
1.0.0.1015

Reason Heuristics
PUP.Solimba.AppsInstaller.Installer (M)
16.1.27.5

Rising Antivirus
PE:PUF.FirseriaInstaller@CV!1.5C42
23.00.65.16125

Sophos
Mal/Generic-S
4.98

Trend Micro House Call
TROJ_GE.9456247C
7.2.27

Trend Micro
ADW_SOLIMBA
10.465.27

Vba32 AntiVirus
TScope.Trojan.MSIL
3.12.24.3

VIPRE Antivirus
DownloadMR
28622

File size:
198.5 KB (203,312 bytes)

Copyright:
AppInstaller 2013 (50af3520-6b08-4b9d-a6b2-07165bc06f2f)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Signed by:
Apps Installer S.L.

Authority:
Thawte, Inc.

Valid from:
2/18/2013 9:00:00 PM

Valid to:
2/19/2015 9:59:59 PM

Subject:
CN=Apps Installer S.L., O=Apps Installer S.L., L=Barcelona, S=Barcelona, C=ES

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

Serial number:
323F44D66AEF890F43C32CFD743A4AD0

File PE Metadata
Compilation timestamp:
2/19/2012 12:01:49 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

CTPH (ssdeep):
6144:OsaocyLCknOzWFr/nqDSEjzL61h/zA2HB1i:Otob7k8LqGc361hc2HB1i

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.exe has been seen being distributed by the following URL.

http://dl01.fabdmr.com/n/.../Avast.exe

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/161403342/launch

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