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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. 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:
Apps Installer S.L.  (signed and verified)

Product:
Avast

Description:
Avast AppInstaller

Version:
3.0.7.0

MD5:
93f87ca0cda12bba02df4a8e7c5bec2f

SHA-1:
9a1b7b906d3994d9bc91e32edb851e1ce7e7019a

SHA-256:
be1fdebecc02da586a5e262005c2d51a10c08d7b90a58b777867496fbb23d42a

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 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:
12/25/2024 1:49:45 AM 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]
2014.9-160109

AVG
Skodna.Generic
2017.0.2870

Comodo Security
Application.Win32.Solimba.GW
18173

Dr.Web
Adware.Downware.1125
9.0.1.09

ESET NOD32
MSIL/Solimba
10.9728

Fortinet FortiGate
Adware/Solimba
1/9/2016

IKARUS anti.virus
APPL
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.176.11896

Malwarebytes
PUP.Optional.Solimba
v2016.01.09.05

McAfee
Artemis!027A62A0100A
5600.6526

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)
16.1.9.5

Rising Antivirus
PE:PUF.FirseriaInstaller@CV!1.5C42
23.00.65.16107

Sophos
Mal/Generic-S
4.98

Trend Micro House Call
TROJ_GE.9456247C
7.2.9

Trend Micro
ADW_SOLIMBA
10.465.09

Vba32 AntiVirus
TScope.Trojan.MSIL
3.12.24.3

VIPRE Antivirus
DownloadMR
28622

File size:
194.5 KB (199,128 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\[dawnloads velhos\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:WsaocyLC79g36S0r39ys36blRQgZ/7SM3f:WtobCgF0Jkblx/7SMP

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 2 URLs.

http://dl01.fabdmr.com/n/3.0.7/.../Avast.exe

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/133247655/launch

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