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vdownloader4oc.exe

Install Solution LTDA

This is the Somoto BetterInstaller, an installer that bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed without consent. The application vdownloader4oc.exe by Install SolutionA has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the Somoto BetterInstaller installer. The file has been seen being downloaded from vdownloader.com.br and multiple other hosts.
Publisher:
Install Solution LTDA  (signed and verified)

MD5:
fc3e544386e672e1961fa3677ecf1925

SHA-1:
09941b874b1c023ce9494fe9581180ff1e048b13

SHA-256:
ad5b47ff958080eda9a1531b49a693d173c537157358a89a7b8db5d88e8a9eeb

Scanner detections:
6 / 68

Status:
Adware

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/19/2024 3:26:09 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.141026

Dr.Web
Trojan.Packed.27860
9.0.1.0299

ESET NOD32
Win32/Somoto
8.10621

Qihoo 360 Security
HEUR/Malware.QVM06.Gen
1.0.0.1015

Reason Heuristics
PUP.Somoto
15.2.14.11

SUPERAntiSpyware
PUP.Somoto/Variant
10275

File size:
243.4 KB (249,224 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Somoto BetterInstaller

Common path:
C:\users\{user}\downloads\vdownloader4oc.exe

Digital Signature
Signed by:
Install Solution LTDA

Authority:
Unizeto Technologies S.A.

Valid from:
1/31/2014 3:50:18 AM

Valid to:
1/31/2015 3:50:18 AM

Subject:
E=suporte@installsolution.com.br, CN="Open Source Developer, Install Solution LTDA", O=Install Solution LTDA, C=BR

Issuer:
CN=Certum Level III CA, OU=Certum Certification Authority, O=Unizeto Technologies S.A., C=PL

Serial number:
5FA3F40AF30F88E29492DC309E9D0432

File PE Metadata
Compilation timestamp:
12/17/2010 7:14:08 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
6144:QSPeE3/0oxkhJKt1T/wOFt8sHcIlZjrTKjq2a0Eym4Z:/PeU/0oMJK/F31rTKzltZ

Entry address:
0x39B4

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 43, 48, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, EE, 44, 00, 00, 6A, 00, E8, 57, 48, 00, 00, 6A, 08, A3, C8, 34, 7A, 00, E8, B1, 28, 00, 00, 6A, 00, 68, 60, 01, 00, 00, A3, 78, 35, 7A, 00, 8D, 85, 90, FE, FF, FF, 50, 6A, 00, 68, A4, A2, 40, 00, E8, 9C, 47, 00, 00, 83, EC, 0C, 68, A5, A2, 40, 00, 68, A8, 35, 7A, 00, E8, EF, 2A, 00, 00, 83, C4, 18, E8, AA, 44, 00, 00, 52, 52, 50, 68, 00, C0, 7A, 00, E8, DA, 2A, 00, 00, 57, 6A, 00, E8, E5, 43, 00, 00, 83...
 
[+]

Code size:
29 KB (29,696 bytes)

The file vdownloader4oc.exe has been seen being distributed by the following 6 URLs.

http://vdownloader.com.br/.../latest

http://get.vdownloader.com.br/VDownloader4OC.exe

http://goo.gl/vTFuXg

https://s3-sa-east-1.amazonaws.com/.../VDownloader4OC.exe

http://www.vdownloader.com.br/get/.../

http://www.vdownloader.com.br/.../latest

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