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download_manager_299803.exe

Extended Setup

The file is a bundle distribution and utilizes the installCore download manager to distribute this potentially unwanted software. The application download_manager_299803.exe by Extended Setup has been detected as adware by 14 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. The file has been seen being downloaded from kuaiwan.softonic.cn.
Publisher:
Extended Setup  (signed and verified)

MD5:
aa614112398495ff7142170a55013940

SHA-1:
0ff009b71fe600e53dad03dbc4996e4c1447a8e8

SHA-256:
d25b7001aba359b089690d3644c239d67c85d3d70ecbf197e43585a54140a57f

Scanner detections:
14 / 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:
4/26/2024 7:32:12 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.153.56

AVG
InstallC
2015.0.3453

Baidu Antivirus
Adware.Win32.InstallCore
4.0.3.1465

Comodo Security
Application.Win32.InstallCore.IC
18442

Dr.Web
Trojan.Packed.24524
9.0.1.05190

ESET NOD32
Win32/InstallCore.BY potentially unwanted application
7.0.302.0

F-Prot
W32/InstallCore.Z.gen
v6.4.7.1.166

Qihoo 360 Security
Win32/Virus.Adware.94c
1.0.0.1015

Reason Heuristics
PUP.ExtendedSetup.X
14.8.7.22

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.14603

Sophos
Install Core Click run software
4.98

SUPERAntiSpyware
PUP.InstallCore/Variant
10562

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
Threat.4837543
29800

File size:
655.6 KB (671,320 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Common path:
C:\Documents and Settings\{user}\My documents\downloads\download_manager_299803.exe

Digital Signature
Signed by:
Extended Setup

Authority:
COMODO CA Limited

Valid from:
10/22/2013 8:00:00 AM

Valid to:
10/23/2014 7:59:59 AM

Subject:
CN=Extended Setup, O=Extended Setup, STREET=Lilienblum 28, L=Tel Aviv, S=Israel, PostalCode=6513307, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00DC2A1D7B17450E779685BAA191188498

File PE Metadata
Compilation timestamp:
6/20/1992 6:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:fmnOyMJfsGmT8BjukjhrJ+qdN4XMvVjbve2zF9yvzxIPBiGgHbL+0dps2Mkv:fmnOyMJfsiBCkVkwoMv5vpR9yvzPJ+g

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Entropy:
7.7927

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

Code size:
36 KB (36,864 bytes)

The file download_manager_299803.exe has been seen being distributed by the following URL.

http://kuaiwan.softonic.cn/universaldownloader-launch

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