icreinstall_java_setup.exe

Quick Downloader

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_java_setup.exe by Quick Downloader 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. With this installer, users are expecting to download the free Oracle Java Runtime but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Quick Downloader  (signed and verified)

MD5:
31ac1eb8922ffd40182a8fb969c00e55

SHA-1:
bf09ba77eea7890e1eefb2743691784801e6f3a6

SHA-256:
d1e33958b94655c44243248f0827e64bb4e771c018d69410fed5aa49a4534a34

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:
4/25/2024 5:00:04 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
7.11.170.142

avast!
Adware-gen [Adw]
141025-0

AVG
Generic
2015.0.3310

Clam AntiVirus
Win.Adware.Installcore-580
0.98/19466

Dr.Web
Trojan.Packed.28458
9.0.1.05190

ESET NOD32
Win32/InstallCore.QC potentially unwanted application
7.0.302.0

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

K7 AntiVirus
Trojan
13.183.13247

NANO AntiVirus
Riskware.Text.Drop.delipu
0.28.2.61942

Reason Heuristics
PUP.Installer.QuickDownloader.W
14.10.25.18

SUPERAntiSpyware
10277

VIPRE Antivirus
Threat.4786018
32210

File size:
841.9 KB (862,064 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\icreinstall_java_setup.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
8/11/2014 5:00:00 PM

Valid to:
8/11/2017 4:59:59 PM

Subject:
CN=Quick Downloader, O=Quick Downloader, STREET="96 Jessie St, 4th Floor", L=San Francisco, S=CA, PostalCode=94105, C=US

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

Serial number:
0087CE63C7728E982ECA2980DCA8DDE091

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:zGvpYwvmvuvh51XTb9fKBeHmE+ZuciSLaY8EGi8QGrG+OqQGWeOMpDXydcWBZ:zGvO8m2vnftHQLFadS8QGrsqeePli+Wv

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8970

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

Code size:
37 KB (37,888 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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