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 by Bechiro S.L has been detected as adware by 33 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. While running, it connects to the Internet address cdn.solimba.com on port 80 using the HTTP protocol.
Publisher:
Firseria·s·l·  (signed by Bechiro S.L.)

Version:
1.0.0.15

MD5:
ce333629b382b51d93d6679bb5186af7

SHA-1:
7fe20ab09a552e33254300ed58207f73701df3da

SHA-256:
20334078d5507a5137a2713eeda83dbd16ede43287325ad7534cec9a23869aa8

Scanner detections:
33 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
4/18/2024 5:41:20 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Application.Bundler.Firseria.1
887

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.Firseria
2013.11.30

Avira AntiVirus
APPL/Firseria.Gen
7.11.116.188

avast!
Win32:Firseria-A [PUP]
2014.9-140901

AVG
AdInstaller.Firseria
2015.0.3365

Bitdefender
Gen:Application.Bundler.Firseria.1
1.0.20.1220

Clam AntiVirus
Win.Trojan.Firseria
0.98/19265

Comodo Security
TrojWare.Win32.Trojan.Obfuscated.~EN
17358

Dr.Web
Adware.Downware.1433
9.0.1.0244

ESET NOD32
Win32/FirseriaInstaller (variant)
8.9114

F-Prot
W32/Backdoor2.HTEZ
v6.4.7.1.166

F-Secure
Gen:Application.Bundler.Firseria
11.2014-01-09_2

G Data
Gen:Application.Bundler.Firseria
14.9.24

IKARUS anti.virus
not-a-virus:Downloader.Win32.Morstar
t3scan.2.2.29

K7 AntiVirus
Backdoor
13.175.10852

Kaspersky
not-a-virus:Downloader.Win32.Morstar
14.0.0.3319

Malwarebytes
PUP.Optional.Firseria
v2014.09.01.04

McAfee
Trojan-FDHF!FDA0A9565730
5600.7021

MicroWorld eScan
Gen:Application.Bundler.Firseria.1
15.0.0.732

NANO AntiVirus
Trojan.Win32.Morstar.cslwyy
0.28.0.57029

Panda Antivirus
Adware/Firseria
14.09.01.04

Qihoo 360 Security
Malware.QVM18.Gen
1.0.0.1015

Quick Heal
TrojanDownloader.Morstar.O3
9.14.14.00

Reason Heuristics
PUP.Installer.BechiroSL.F
14.9.1.4

Rising Antivirus
PE:PUA.FirseriaInstaller@CV!1.9C54
23.00.65.14830

Sophos
Solimba Installer
4.95

Vba32 AntiVirus
Downloader.Morstar
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
23850

File size:
165.3 KB (169,272 bytes)

Product version:
1.0.0.15

Copyright:
Copyright(c) 2013

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:
6/13/2012 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:
10/14/2013 4:23:15 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:94HCWau/PlYeuL7ZLFh6Ca6cbL9l2hzB3fJCC6j8+Er6ez4:eiI/PlY37ZLF4Ca6WABqBOvs

Entry address:
0x76117

Entry point:
60, E8, 00, 00, 00, 00, 58, 05, 5A, 0B, 00, 00, 8B, 30, 03, F0, 2B, C0, 8B, FE, 66, AD, C1, E0, 0C, 8B, C8, 50, AD, 2B, C8, 03, F1, 8B, C8, 57, 51, 49, 8A, 44, 39, 06, 88, 04, 31, 75, F6, 2B, C0, AC, 8B, C8, 80, E1, F0, 24, 0F, C1, E1, 0C, 8A, E8, AC, 0B, C8, 51, 02, CD, BD, 00, FD, FF, FF, D3, E5, 59, 58, 8B, DC, 8D, A4, 6C, 90, F1, FF, FF, 51, 2B, C9, 51, 51, 8B, CC, 51, 66, 8B, 17, C1, E2, 0C, 52, 57, 83, C1, 04, 51, 50, 83, C1, 04, 56, 51, E8, 5E, 00, 00, 00, 8B, E3, 5E, 5A, 2B, C0, 89, 04, 32, B4, 10...
 
[+]

Packer / compiler:
ASPack v1.08.04

Code size:
101 KB (103,424 bytes)

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/28892028/launch

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