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winrar.exe

FIRSERIA, S.L.

The setup program uses the Firseria/Solimba AppInstaller (DownloadMR) which is a monetization download manager that bundles additional adware offers, typically by wrapping legitimate applications. The application winrar.exe by FIRSERIA, S.L has been detected as adware by 30 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 installer is marketed through download protals and search ads as WinRAR archiver but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Firseria·s·l·  (signed by FIRSERIA, S.L.)

Version:
1.0.0.15

MD5:
4fec237ef44edbaba2837161f80552d5

SHA-1:
724ffc980f769f4990e19716292e611d1dae4963

SHA-256:
098a3789e7398e7b9074ad5b03928b26b2c7d0813d53f99d93506e010b90b31c

Scanner detections:
30 / 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:
4/19/2024 7:24:45 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Application.Bundler.Firseria.1
934

Agnitum Outpost
PUA.Downloader
7.1.1

AhnLab V3 Security
PUP/Win32.Firseria
2014.07.16

Avira AntiVirus
TR/Crypt.XPACK.Gen
7.11.30.172

avast!
Win32:Firseria-A [PUP]
140617-1

AVG
Adware AdInstaller.Firseria
2014.0.3986

Bitdefender
Gen:Application.Bundler.Firseria.1
1.0.20.980

Clam AntiVirus
Win.Trojan.Firseria
0.98/19168

Comodo Security
TrojWare.Win32.Trojan.Obfuscated.~EN
18864

Dr.Web
Adware.Downware.1433, 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
11.2014-15-07_3

G Data
Gen:Application.Bundler.Firseria
14.7.24

IKARUS anti.virus
Trojan.Patched
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.180.12733

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

Malwarebytes
PUP.Optional.Firseria
v2014.07.15.06

McAfee
PUP-FFT
5600.7068

MicroWorld eScan
Gen:Application.Bundler.Firseria.1
15.0.0.588

NANO AntiVirus
Trojan.Win32.Morstar.cslwyy
0.28.2.60881

Panda Antivirus
Adware/Firseria
14.07.15.06

Qihoo 360 Security
Malware.QVM18.Gen
1.0.0.1015

Quick Heal
TrojanDownloader.Morstar.O3
7.14.14.00

Reason Heuristics
PUP.FIRSERIASL.G
14.8.15.15

Rising Antivirus
PE:PUF.FirseriaInstaller@CV!1.9C54
23.00.65.14713

Sophos
Solimba Installer
4.98

Vba32 AntiVirus
Downware.Morstar
3.12.26.3

VIPRE Antivirus
Threat.4150696
31208

Zillya! Antivirus
Downloader.Morstar.Win32.1
2.0.0.1859

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

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

Digital Signature
Signed by:
FIRSERIA, S.L.

Authority:
Thawte, Inc.

Valid from:
7/23/2013 9:00:00 PM

Valid to:
7/24/2014 8:59:59 PM

Subject:
CN="FIRSERIA, S.L.", OU=IT, O="FIRSERIA, S.L.", L=Badalona, S=Barcelona, C=ES

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
73C4780FAC0CD497B0778732FB8AF673

File PE Metadata
Compilation timestamp:
10/14/2013 11:23:15 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:y4HCWau/PlYeuL7ZLFh6Ca6cbL9l2hzB3fJCC6j8+Er6ez4:piI/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 file winrar.exe has been seen being distributed by the following 2 URLs.

http://dl01.facdmr.com/n/3.0.23.4/.../Winrar.exe

http://www.pc-file.info/winrar/download/.../704

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