adobe_flash_setup.exe

Web

OOO Next Stars Group

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application adobe_flash_setup.exe, “Web Setup ” by OOO Next Stars Group has been detected as adware by 12 anti-malware scanners. The program is a setup application that uses the installCore installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions.
Publisher:
Internet Prog   (signed by OOO Next Stars Group)

Product:
Web

Description:
Web Setup

Version:
2.3.2.3

MD5:
79ee714e886abbc5579cc3ca6c44b97d

SHA-1:
985e8b6583acb20eb130d090cc5622c4d341d78d

SHA-256:
28e450d0d9ce491d0ed8cdb090535dfe8e600571ecc53d2074fa230809098aa5

Scanner detections:
12 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
12/25/2024 1:11:54 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
PUP/Win32.InstallCore
2015.04.23

avast!
Malware-gen
2014.9-151220

AVG
Adware InstallCore
2016.0.2890

Bkav FE
W32.HfsAdware
1.3.0.6379

Comodo Security
Application.Win32.InstallCore.DGI
22299

Dr.Web
Trojan.InstallCore.576
9.0.1.0354

ESET NOD32
Win32/InstallCore.ZC potentially unwanted application
9.7.0.302.0

K7 AntiVirus
Adware
13.204.16089

Malwarebytes
v2015.12.20.10

NANO AntiVirus
Riskware.Win32.InstallCore.drfvuv
0.30.24.1636

Reason Heuristics
PUP.installCore.OOONextStarsGroup.Installer (M)
15.12.20.10

VIPRE Antivirus
Threat.4150696
40552

File size:
804.7 KB (823,968 bytes)

Product version:
1.3

Copyright:
Installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Authority:
COMODO CA Limited

Valid from:
1/19/2015 7:00:00 PM

Valid to:
1/20/2016 6:59:59 PM

Subject:
CN=OOO Next Stars Group, OU=OOO Next Stars Group - Software, O=OOO Next Stars Group, STREET=SPIRIDONOVKA 17 STR.11, L=Moscow, S=Moscow, PostalCode=123001, C=RU

Issuer:
CN=COMODO RSA Code Signing CA, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
35017D6EC0854401DF3143C4282B5F73

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

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:ybn5Gm17GszimlmUpG7NwZjI+ML04gJY+z2l4//Q7Ccv47D9+4gHrWL:ybn5LxGqRRIdYlD/yCI0DUtri

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...
 
[+]

Entropy:
7.8124

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

Code size:
39.5 KB (40,448 bytes)

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

http://2nowup.freecheckupdates.net/dl.php?conversion_id=14291851667644&app_id=4&lp_id=983&v=ico&stub_id=169&v_id=zTvP92w5Ug5YM+1BRqBL+7DtiweCLTMHsuvSGStWCx4=&dist_id=652&channel=pic_4&s1=20Q6qP2jxDzeCweg1iPZhT1yIIlE000.&s2=561741

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