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vdownloader4ch.exe

VDownloader

Instasoft LTDA

The application vdownloader4ch.exe, “VDownloader Setup ” by InstasoftA has been detected as a potentially unwanted program by 17 anti-malware scanners. The program is a setup application that uses the Inno Setup installer. According to AVG, this software downloads additional adware offers during setup. The file has been seen being downloaded from vdownloader.com.br.
Publisher:
(c) Vitzo Limited   (signed by Instasoft LTDA)

Product:
VDownloader

Description:
VDownloader Setup

MD5:
5cdc0c57318a7ea0d80d3ac0a566c9d6

SHA-1:
9edb2986b36a0cd536055ed5a26a66c18c16b8ef

SHA-256:
78cc52d850fb6f6cba7424874646f5a200f1c221168b2b7f6ba5a139a2cb1b3c

Scanner detections:
17 / 68

Status:
Potentially unwanted

Analysis date:
11/23/2024 2:37:16 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Somoto.AG
268

AegisLab AV Signature
Troj.Downloader.Nsis.Somoto!c
2.1.4+

Arcabit
Application.Bundler.Somoto.AG
1.0.0.672

AVG
Downloader
2017.0.2746

Baidu Antivirus
Adware.Win32.Somoto
4.0.3.16512

Bitdefender
Application.Bundler.Somoto.AG
1.0.20.665

ESET NOD32
Win32/Somoto.G potentially unwanted
10.13367

F-Secure
Application.Bundler.Somoto
11.2016-12-05_5

K7 AntiVirus
Adware
13.222.19369

Kaspersky
not-a-virus:HEUR:Downloader.NSIS.Somoto
14.0.0.223

MicroWorld eScan
Application.Bundler.Somoto.AG
17.0.0.399

NANO AntiVirus
Riskware.Nsis.Adware.dshbbp
1.0.30.8000

Panda Antivirus
Trj/CI.A
16.05.12.10

Qihoo 360 Security
HEUR/QVM42.1.Malware.Gen
1.0.0.1120

Rising Antivirus
PE:Malware.Generic/QRS!1.9E2D [F]
23.00.65.16510

Sophos
Generic PUA JO (PUA)
4.98

VIPRE Antivirus
Trojan.Win32.Generic
48782

File size:
742.2 KB (760,040 bytes)

Product version:
[name/version]

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\{user}\downloads\vdownloader4ch.exe

Digital Signature
Signed by:
Instasoft LTDA

Authority:
Unizeto Technologies S.A.

Valid from:
10/23/2014 7:50:23 AM

Valid to:
10/23/2015 7:50:23 AM

Subject:
E=suporte@instasoft.com.br, CN="Open Source Developer, Instasoft LTDA", O=Instasoft LTDA, C=BR

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

Serial number:
3FE2C4075C183244EE6EA4FE3B0B8352

File PE Metadata
Compilation timestamp:
6/19/1992 11:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:iQiGRvRo35b4ak1HwKUpe/RzApP/Q3DrHOxQccpbHgXsVPGuAvNexeeKdclY:iQi4Ro3VcHwnp4SJ0HOxQJpbHgaPGuAD

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
39.5 KB (40,448 bytes)

The file vdownloader4ch.exe has been seen being distributed by the following URL.

http://vdownloader.com.br/get/.../?p=button

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