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 24 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 file has been seen being downloaded from dl.softohqimjjedf0jq.com and multiple other hosts. 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:
1.0.0.14

MD5:
dc9ea71aaa9a678bb229b9644e729957

SHA-1:
2046ab3bfa107b9a3e86db85c9bd3edd4b576c64

SHA-256:
0172b5bb9adbe8b9ea1d3175a462f1e68fccb5faef967db63061816b99b35860

Scanner detections:
24 / 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:
12/26/2024 4:55:51 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Application.Bundler.Firseria.1
840

Agnitum Outpost
PUA.Firseria
7.1.1

AhnLab V3 Security
PUP/Win32.Firseria
2014.10.18

Avira AntiVirus
APPL/Firseria.Gen
7.11.179.108

AVG
Adware BundleApp.Y
2014.0.4040

Bitdefender
Gen:Application.Bundler.Firseria.1
1.0.20.1450

Comodo Security
TrojWare.Win32.Trojan.Obfuscated.~EN
19827

Dr.Web
Trojan.Packed.24805
9.0.1.05190

Emsisoft Anti-Malware
Gen:Application.Bundler.Firseria
14.10.17

ESET NOD32
Win32/FirseriaInstaller.C potentially unwanted application
7.0.302.0

F-Prot
W32/Morstar.C.gen
v6.4.7.1.166

F-Secure
Gen:Application.Bundler.Firseria
11.2014-17-10_6

G Data
Gen:Application.Bundler.Firseria
14.10.24

IKARUS anti.virus
not-a-virus:Downloader.Win32.Morstar
t3scan.1.7.8.0

K7 AntiVirus
Unwanted-Program
13.184.13718

Kaspersky
not-a-virus:Downloader.Win32.Solimba
15.0.0.494

Malwarebytes
PUP.Optional.Firseria
v2014.10.17.06

MicroWorld eScan
Gen:Application.Bundler.Firseria.1
15.0.0.870

Reason Heuristics
PUP.Installer.BechiroSL.F
14.10.17.17

Rising Antivirus
PE:PUF.FirseriaInstaller@CV!1.9C54
23.00.65.141015

Sophos
Solimba Installer
4.98

Vba32 AntiVirus
Downware.Morstar
3.12.26.3

VIPRE Antivirus
Threat.4150696
33706

Zillya! Antivirus
Downloader.Firser.Win32.1
2.0.0.1958

File size:
164.3 KB (168,248 bytes)

Product version:
1.0.0.14

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 1:00:00 AM

Valid to:
6/14/2014 12:59:59 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 8:53:28 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:limnuVXjzu3vsLrP5voun/VqIoKJfma7tYEoFMhY:7ulu3vsPfdqIoK0a7BK

Entry address:
0x75117

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...
 
[+]

Entropy:
7.8760

Packer / compiler:
ASPack v1.08.04

Code size:
101 KB (103,424 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/36256866/launch

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