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winrarfree.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 winrarfree.exe by FIRSERIA, S.L has been detected as adware by 12 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:
1f6e831920fe9e1a469ee2de8ea909b2

SHA-1:
384c05719e5f6001273ebc6c2d9603cd1f651c94

SHA-256:
d681572254f42e7d96ae91189c7e806b9c91a79d8573618717320c4e2ccb22b1

Scanner detections:
12 / 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:
4/25/2024 3:46:13 PM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.Firseria
2013.11.30

AVG
AdInstaller.Firseria
2016.0.2949

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

ESET NOD32
Win32/FirseriaInstaller (variant)
9.9114

F-Prot
W32/Backdoor2.HTEZ
v6.4.7.1.166

herdProtect (fuzzy)
variant of srs hd audio lab.exe (Adware)
2015.10.21.23

Kaspersky
not-a-virus:Downloader.Win32.Morstar
14.0.0.1240

Malwarebytes
PUP.Optional.Firseria
v2015.10.21.11

McAfee
Trojan-FDHF!FDA0A9565730
5600.6605

Reason Heuristics
PUP.Solimba.FIRSERIA.Bundler (M)
15.8.25.10

Rising Antivirus
PE:PUA.FirseriaInstaller@CV!1.9C54
23.00.65.151019

Sophos
Solimba Installer
4.95

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\winrarfree.exe

Digital Signature
Signed by:
FIRSERIA, S.L.

Authority:
Thawte, Inc.

Valid from:
7/24/2013 8:00:00 AM

Valid to:
7/25/2014 7:59:59 AM

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 10:23:15 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:D4HCWau/PlYeuL7ZLFh6Ca6cbL9l2hzB3fJCC6j8+Er6ez4:8iI/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:
7.8735

Packer / compiler:
ASPack v1.08.04

Code size:
101 KB (103,424 bytes)

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