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 32 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.downi468.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:
1.0.0.15

MD5:
cd74e0268c3fb7a3c1d7653d2e57dd16

SHA-1:
a76f23c2f3b4902c3473cd4230cc6bbf8e8aae74

SHA-256:
6194f077cb373908a5fbd0a6c1624b1c91734d61108219f3c65d1b96c762f536

Scanner detections:
32 / 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:
6/24/2018 10:12:29 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Application.Bundler.Firseria.1
929

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.Firseria
2014.07.21

Avira AntiVirus
TR/Crypt.XPACK.Gen
7.11.30.172

AVG
Adware BundleApp.H
2014.0.3986

Bitdefender
Gen:Application.Bundler.Firseria.1
1.0.20.1005

Clam AntiVirus
Win.Trojan.Firseria
0.98/19168

CMC Antivirus
Trojan.Win32.VBKrypt!O
1.1.0.977

Commtouch SDK
W32/Backdoor.RQQV-0892
5.4.1.7

Comodo Security
TrojWare.Win32.Trojan.Obfuscated.~EN
18913

Dr.Web
Adware.Downware.1433
9.0.1.05190

ESET NOD32
Win32/FirseriaInstaller.C potentially unwanted application
7.0.302.0

F-Prot
W32/Backdoor2.HTEZ
4.6.5.141

F-Secure
Gen:Application.Bundler.Firseria
11.2014-20-07_1

G Data
Gen:Application.Bundler.Firseria
14.7.24

IKARUS anti.virus
PUA.Bechiro
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.181.12775

K7 Gateway Antivirus
Unwanted-Program
13.181.12782

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

Kingsoft AntiVirus
Win32.Troj.Generic.a.(kcloud)
331020.49267

Malwarebytes
PUP.Optional.Firseria
v2014.07.20.01

McAfee
PUP-FFT
5600.7063

McAfee Web Gateway
Heuristic.BehavesLike.Win32.Suspicious-BAY.G
7.7063

MicroWorld eScan
Gen:Application.Bundler.Firseria.1
15.0.0.603

NANO AntiVirus
Trojan.Win32.Morstar.cslwyy
0.28.2.60881

Qihoo 360 Security
Malware.QVM18.Gen
1.0.0.1015

Quick Heal
TrojanDownloader.Morstar.O3
7.14.14.00

Reason Heuristics
PUP.Installer.BechiroSL.F
14.8.15.15

Rising Antivirus
PE:PUF.FirseriaInstaller@CV!1.9C54
23.00.65.14718

Sophos
Solimba Installer
4.98

Vba32 AntiVirus
Downware.Morstar
3.12.26.3

VIPRE Antivirus
Threat.4150696
31208

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 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 3:23:15 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:Z4HCWau/PlYeuL7ZLFh6Ca6cbL9l2hzB3fJCC6j8+Er6ez4:yiI/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:
7.8741

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/23922453/launch

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