winrar.exe

Contumar Empresarial SL

This belongs to a Solimba product that may be bundled with additional PUPs or may be part of an ad-supported software program. The application winrar.exe by Contumar Empresarial SL has been detected as adware by 28 anti-malware scanners. The program is a setup application that uses the Solimba DownloadMR installer. It 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 get.jawmanager.com and multiple other hosts.
Publisher:
Contumar Empresarial SL  (signed and verified)

MD5:
23e5e2ac692200cd88608b1e50625c98

SHA-1:
08378ec3baeb61df48c4357d9126f006c9169bf0

SHA-256:
9998e42f9d4b9acfbf32bc2f8f87ed4a4026064afe5efab7bd306f7821dd93c7

Scanner detections:
28 / 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:
5/16/2024 9:34:52 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Generic.1004353
761

Agnitum Outpost
PUA.Solimba
7.1.1

AhnLab V3 Security
PUP/Win32.Solimba
2014.12.23

Avira AntiVirus
APPL/Firseria.Gen
7.11.197.38

AVG
Adware BundleApp_r.AJ
2014.0.4235

Baidu Antivirus
Adware.Win32.Solimba
4.0.3.1514

Bitdefender
Application.Generic.1004353
1.0.20.20

Clam AntiVirus
Win.Trojan.Solimba-14
0.98/19855

Comodo Security
Application.Win32.Firseria.GH
20469

Dr.Web
Trojan.DownLoader11.64099
9.0.1.04

Emsisoft Anti-Malware
Application.Generic.1004353
8.15.01.04.01

ESET NOD32
MSIL/Solimba.AK.gen potentially unwanted application
7.0.302.0

F-Prot
W32/S-d8e33fef
v6.4.7.1.166

F-Secure
Riskware.Application.Generic.1004353
11.2015-04-01_1

G Data
Win32.Application.Morstar
14.12.24

IKARUS anti.virus
not-a-virus:Downloader.Morstar
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.188.14426

Malwarebytes
PUP.Optional.Solimba
v2014.12.22.11

McAfee
Trojan.Artemis!B8F49277D0F5
5600.6895

MicroWorld eScan
Application.Generic.1004353
16.0.0.12

NANO AntiVirus
Riskware.Win32.Downware.djsrhf
0.28.6.64267

Norman
Solimba.ZMLU
11.20141222

Panda Antivirus
Trj/Genetic.gen
14.12.22.11

Reason Heuristics
PUP.ContumarEmpresarialSL.G
15.1.4.13

Sophos
PUA 'Solimba Installer'
5.09

SUPERAntiSpyware
Trojan.Agent/Gen-Nullo[Short]
10136

Vba32 AntiVirus
Downware.Morstar
3.12.26.3

VIPRE Antivirus
Threat.4758821
35418

File size:
580.3 KB (594,184 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
11/7/2014 10:00:00 PM

Valid to:
11/7/2017 9:59:59 PM

Subject:
CN=Contumar Empresarial SL, O=Contumar Empresarial SL, L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
5379FD229D65B9C16E52201B20D1F0FD

File PE Metadata
Compilation timestamp:
12/19/2014 7:28:34 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:GjKHCjsJTCgJzIgLQjN0/7L9qUcVwD8kZvLe/6Er4AMus0:GjKHlJTHkgcB0P9CWdB3A/

Entry address:
0xD44C

Entry point:
E8, AF, 6C, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 00, 60, 42, 00, E8, FE, 15, 00, 00, E8, 80, 6E, 00, 00, 0F, B7, F0, 6A, 02, E8, 42, 6C, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 0B, 65, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Code size:
111 KB (113,664 bytes)

The file winrar.exe has been seen being distributed by the following 2 URLs.

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