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xvid codec.exe

Contumar Empresarial

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 xvid codec.exe by Contumar Empresarial has been detected as adware by 25 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 www.download366.com.
Publisher:
Contumar Empresarial  (signed and verified)

MD5:
dc1e2f12e5974eca8963f967043d00fc

SHA-1:
60355f2fd3b7a5250ab318481b5eb37b0b6e1694

SHA-256:
9c0de044a9af18847a3fdf90acd1a4b81b5c38d4dad2e6f02183b24ec4cfb4c8

Scanner detections:
25 / 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 1:12:03 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Morstar.G
761

AhnLab V3 Security
PUP/Win32.Morstar
2014.12.25

Avira AntiVirus
APPL/Firseria.Gen
7.11.195.50

AVG
Generic
2015.0.3262

Baidu Antivirus
Adware.Win32.Solimba
4.0.3.1514

Bitdefender
Application.Bundler.Morstar.G
1.0.20.20

Clam AntiVirus
Win.Trojan.Morstar-34
0.98/19845

Comodo Security
Application.Win32.Firseria.GH
20461

Emsisoft Anti-Malware
Application.Bundler.Morstar
8.15.01.04.01

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

F-Prot
W32/S-2d9c4e26
v6.4.7.1.166

F-Secure
Riskware.Application.Bundler.Morstar
11.2015-04-01_1

G Data
Win32.Application.Morstar
14.12.24

IKARUS anti.virus
AdWare.BundleApp
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.188.14380

McAfee
Trojan.Artemis!38EA14FFA08C
5600.6895

MicroWorld eScan
Application.Bundler.Morstar.G
16.0.0.12

NANO AntiVirus
Trojan.Win32.Morstar.djtcxn
0.28.6.63850

Norman
Solimba.ZMLU
11.20141213

Panda Antivirus
Trj/Genetic.gen
15.01.04.01

Reason Heuristics
PUP.ContumarEmpresarial.K
15.1.4.13

Sophos
PUA 'Solimba Installer'
5.08

Vba32 AntiVirus
Downware.Morstar
3.12.26.3

VIPRE Antivirus
Threat.4758821
35418

Zillya! Antivirus
Backdoor.PePatch.Win32.55194
2.0.0.2015

File size:
583.2 KB (597,216 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

Digital Signature
Signed by:
Contumar Empresarial

Authority:
Thawte, Inc.

Valid from:
9/24/2014 1:00:00 AM

Valid to:
9/24/2016 12:59:59 AM

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

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

Serial number:
2948ACD2126C11B674661E79E57D288D

File PE Metadata
Compilation timestamp:
12/11/2014 3:21:24 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
12288:y7Pnn9N6iJTSk2Il4QxhTbrKnxTXDyOi6k/XAp3CDctIN1pbGI4:y7v9xJTh2IS0PruVi6k/bDcQKI4

Entry address:
0xD44C

Entry point:
E8, AF, 6C, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, E0, 5F, 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...
 
[+]

Entropy:
7.7342  (probably packed)

Code size:
111 KB (113,664 bytes)

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

http://www.download366.com/xvid-codec/download/.../522

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