setup.exe

Bechiro S.L.

This is the Solimba installer program that will bundle additional offers mostly including adware and various unwanted PC utilities. The application setup.exe, “Application Installer” by Bechiro S.L has been detected as adware by 14 anti-malware scanners. The program is a setup application that uses the Solimba DownloadMR installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from flv.atappz.com and multiple other hosts. While running, it connects to the Internet address cdn.solimba.com on port 80 using the HTTP protocol.
Publisher:
Appsinstaller  (signed by Bechiro S.L.)

Description:
Application Installer

Version:
3.1.7

MD5:
7362efb49092eb423db1861c13cacc48

SHA-1:
dd178364aa020ea1a4af1b8f172b5ecb7a9f7598

SHA-256:
07244645bafc82b5a3a9c6c3e3a3f43a72b53432763698dba8f4c195f1289439

Scanner detections:
14 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
12/16/2017 11:28:49 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Firseria
7.1.1

Avira AntiVirus
APPL/Firseria.B.1
7.11.140.76

AVG
Downloader
2015.0.3530

Comodo Security
Application.Win32.FirseriaInstaller.RFW
18018

Dr.Web
Adware.Downware.2353
9.0.1.0130

ESET NOD32
Win32/FirseriaInstaller (variant)
8.9614

G Data
Win32.Application.Morstar
14.3.24

herdProtect (fuzzy)
2014.5.10.9

K7 Gateway Antivirus
Unwanted-Program
13.176.11595

Malwarebytes
PUP.Optional.AppsInstaller
v2014.03.19.06

Reason Heuristics
PUP.Installer.BechiroSL.F
14.8.8.2

Sophos
Solimba Installer
4.98

Vba32 AntiVirus
Downware.Morstar
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
27870

File size:
293.5 KB (300,528 bytes)

Product version:
3.1.3

Copyright:
Copyright © 2014

Original file name:
installer.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
Thawte, Inc.

Valid from:
6/12/2012 5:00:00 PM

Valid to:
6/13/2014 4:59:59 PM

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:
3/17/2014 4:48:36 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:JbB5wA3FBCwqtIRRgY3h4oNeNxSyVGuzwRnWbvM2Htc:ZrwYuwqtIRRX4oMVGJRgrHtc

Entry address:
0xE459

Entry point:
E8, CD, 79, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 80, E4, 41, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 30, E1, 41, 00, C9, C2, 08, 00, 8B, FF, 55, 8B, EC, 8B, 45, 08, 33, C9, 3B, 04, CD, 60, 54, 42, 00, 74, 13, 41, 83, F9, 2D, 72, F1, 8D, 48, ED, 83, F9, 11, 77, 0E, 6A, 0D, 58, 5D, C3, 8B, 04, CD, 64...
 
[+]

Entropy:
7.2466

Code size:
115 KB (117,760 bytes)

The file setup.exe has been seen being distributed by the following 3 URLs.

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/9469815/launch

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