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 18 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:
cc9d484c545d07589a31852cbb276a6a

SHA-1:
adb2272512a90dded5ea79d26909d2907a8743d4

SHA-256:
18a839c7f90c9012eff1ec1fa659265452abbe2126687a43b3288848007e8565

Scanner detections:
18 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
5/4/2024 4:42:23 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.Downloader
7.1.1

Avira AntiVirus
APPL/Firseria.Gen
7.11.140.94

AVG
BundleApp.H
2015.0.3518

Comodo Security
TrojWare.Win32.Trojan.Obfuscated.~EN
18025

Dr.Web
Trojan.DownLoader10.30851
9.0.1.090

ESET NOD32
Win32/FirseriaInstaller (variant)
8.9618

F-Prot
W32/Backdoor2.HTEZ
v6.4.7.1.166

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

K7 AntiVirus
Backdoor
13.176.11613

Kaspersky
not-a-virus:Downloader.Win32.Morstar
14.0.0.4087

Malwarebytes
PUP.Optional.Firseria
v2014.03.31.04

McAfee
PUP-FFT!CC9D484C545D
5600.7174

NANO AntiVirus
Trojan.Win32.Morstar.cslwyy
0.28.0.58720

Reason Heuristics
PUP.Installer.BechiroSL.F
14.8.15.15

Rising Antivirus
PE:PUF.FirseriaInstaller@CV!1.9C54
23.00.65.14329

Sophos
Solimba Installer
4.98

Vba32 AntiVirus
Downware.Morstar
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic
27896

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:
6/12/2012 8:00:00 PM

Valid to:
6/13/2014 7:59:59 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:
10/14/2013 10:23:15 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:q4HCWau/PlYeuL7ZLFh6Ca6cbL9l2hzB3fJCC6j8+Er6ez4:RiI/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...
 
[+]

Entropy:
7.8742

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/10583685/launch

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