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avast.exe

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 by Apps Installer S.L has been detected as adware by 8 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)

MD5:
be14474a5b9feaf3fa649e65409007a5

SHA-1:
bb4ea5ff6ee1e72bae05b3e6ce6fd0cf34ff4024

SHA-256:
d5e175d5d19fc08177207d988d11e46f78823389bb3a4851ea7504f6e8ab9ee5

Scanner detections:
8 / 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 '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:
4/24/2024 8:35:53 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Solimba-C [PUP]
2014.9-150527

Comodo Security
Application.Win32.Solimba.GW
16456

Dr.Web
Adware.Downware.1125
9.0.1.0147

ESET NOD32
MSIL/Solimba
9.8464

Reason Heuristics
PUP.Solimba.Bundler
15.5.26.23

Sophos
DownloadMR
4.90

Trend Micro House Call
TROJ_GEN.F47V0615
7.2.147

VIPRE Antivirus
DownloadMR
18848

File size:
186.1 KB (190,520 bytes)

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):
3072:xX7DItrfaocyTgfsqQOlJikyyCWyikrPpFjBxWA2I77duvecf1GFX0Tlujom8+3L:xsaocyLCiTCqrj3Hjfwecf1o2lujr8+7

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://dl.fafdmr.com/n/.../Avast.exe

http://dl.fafdmr.com/n/3.0.9.2/.../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/66277065/launch

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