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file_downloader.exe

Contumar Empresarial s.l.

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 file_downloader.exe by Contumar Empresarial s.l has been detected as adware by 21 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.russiainstalled.com.
Publisher:
Contumar Empresarial s.l.  (signed and verified)

MD5:
8f6cd10a70c221313817be5cb086fa4b

SHA-1:
9f1aa04dfc43e4ed9833a0c08bb26233add1d8fc

SHA-256:
d9387603196c21aadd4bca75c6fc05254aeb5bb45e526a898b69de2da232ab92

Scanner detections:
21 / 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:
11/27/2024 3:38:21 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Graftor.189743
5686572

Avira AntiVirus
PUA/Firseria.psdd
8.3.1.6

Arcabit
Trojan.Graftor.D2E52F
1.0.0.425

AVG
Generic
2016.0.3087

Bitdefender
Gen:Variant.Graftor.189743
1.0.20.785

Dr.Web
Adware.Downware.11521
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Graftor.189743
10.0.0.5366

ESET NOD32
Win32/TrojanDropper.Addrop.J trojan
7.0.302.0

F-Secure
Gen:Variant.Graftor.189743
5.14.151

G Data
Gen:Variant.Graftor.189743
15.6.25

IKARUS anti.virus
AdWare.Agent
t3scan.1.9.5.0

K7 AntiVirus
Riskware
13.204.16151

Malwarebytes
PUP.Optional.Bundle
v2015.06.06.06

MicroWorld eScan
Gen:Variant.Graftor.189743
16.0.0.471

NANO AntiVirus
Riskware.Win32.Downware.dsnqhl
0.30.24.1636

Norman
Gen:Variant.Graftor.189743
02.06.2015 14:23:46

Panda Antivirus
Trj/Genetic.gen
15.06.06.06

Reason Heuristics
PUP.ContumarEmpresarial
15.6.6.1

Sophos
PUA 'Solimba Installer'
5.15

VIPRE Antivirus
Threat.4150696
40828

Zillya! Antivirus
Dropper.Addrop.Win32.242
2.0.0.2208

File size:
644.6 KB (660,064 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Language:
Language Neutral

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

Digital Signature
Signed by:
Contumar Empresarial s.l.

Authority:
GlobalSign nv-sa

Valid from:
2/2/2015 9:00:38 AM

Valid to:
9/24/2016 11:00:25 AM

Subject:
CN=Contumar Empresarial s.l., O=Contumar Empresarial s.l., L=Barcelona, S=Barcelona, C=ES

Issuer:
CN=GlobalSign CodeSigning CA - G2, O=GlobalSign nv-sa, C=BE

Serial number:
112119FE6AFB4FA7129F4F594CD3E07D5B21

File PE Metadata
Compilation timestamp:
5/28/2015 10:22:04 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:HEV/eHpTEQcwJ0m0NGBf9YxW1R7G39mssMet/bVDscyQ5Fa0WXA:0eHPXTYxWf7G39mssJpAY5Fa0WXA

Entry address:
0x10FEC

Entry point:
E8, 7E, 96, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, F0, CB, 42, 00, E8, BE, 57, 00, 00, E8, 2C, 1D, 00, 00, 0F, B7, F0, 6A, 02, E8, 11, 96, 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, BD, 4D, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
7.5433

Code size:
139 KB (142,336 bytes)

The file file_downloader.exe has been seen being distributed by the following URL.

http://get.russiainstalled.com/n/.../File_Downloader.exe

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