» icreinstall_avast-premier.exe
Overview
Analysis
File Details
Network (3)

icreinstall_avast-premier.exe

UpdateStar GmbH

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_avast-premier.exe by UpdateStar GmbH has been detected as a potentially unwanted program by 24 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 AVAST Antivirus but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.

File name:

Publisher:

UpdateStar GmbH (signed and verified)

MD5:

cace6073d037969cbb86cab655188114

SHA-1:

f2ffe2406eb38d5688db93fb521667182accd697

SHA-256:

1e11c4ae925f891df1da552426146b712f8ac4c2626ee99358bbe3fce2c30251

Scanner detections:

24 / 68

Status:

Potentially unwanted

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:

4/19/2024 1:14:06 PM UTC (today)

Scan engine

Detection

Engine version

Lavasoft Ad-Aware

Gen:Trojan.Heur2.GZ.PGZ@bqkIzwki

1023

Agnitum Outpost

Trojan.MulDrop

7.1.1

Avira AntiVirus

ADWARE/InstallCore.Gen7

7.11.140.86

AVG

MalSign.InstallC

2015.0.3501

Baidu Antivirus

Adware.Win32.InstallCore

4.0.3.14418

Bitdefender

Gen:Trojan.Heur2.GZ.PGZ@bqkIzwki

1.0.20.540

Comodo Security

Application.Win32.InstallCore.BWAN

18022

Dr.Web

Trojan.Packed.2782

9.0.1.0108

Emsisoft Anti-Malware

Gen:Trojan.Heur2.GZ.PGZ@bqkIzwki

8.14.04.18.05

ESET NOD32

Win32/InstallCore.LX (variant)

8.9616

Fortinet FortiGate

Riskware/InstallCore

4/18/2014

F-Secure

Gen:Trojan.Heur2.GZ.PGZ@bqkIzwki

11.2014-18-04_6

G Data

Gen:Trojan.Heur2.GZ.PGZ@bqkIzwki

14.4.24

herdProtect (fuzzy)

variant of advanced-systemcare.exe (PUP)

2014.7.7.3

IKARUS anti.virus

Trojan.Win32.Spy2

t3scan.1.6.1.0

K7 AntiVirus

Unwanted-Program

13.176.11721

Malwarebytes

PUP.Optional.Installcore

v2014.04.18.05

McAfee

Artemis!11FFFC9EF62D

5600.7157

MicroWorld eScan

Gen:Trojan.Heur2.GZ.PGZ@bqkIzwki

15.0.0.324

Qihoo 360 Security

Win32/Virus.Adware.94c

1.0.0.1015

Reason Heuristics

PUP.UpdateStarGmbH.Z

14.4.18.5

Sophos

Install Core Installer

4.98

Trend Micro House Call

TROJ_GEN.F47V0402

7.2.108

VIPRE Antivirus

Adware.Win32.InstallCore.ba

27886

File size:

668.1 KB (684,088 bytes)

File type:

Executable application (Win32 EXE)

Bundler/Installer:

installCore (using Inno Setup)

Common path:

C:\users\{user}\appdata\local\temp\icreinstall_avast-premier.exe

Digital Signature

Signed by:

UpdateStar GmbH

Authority:

COMODO CA Limited

Valid from:

1/2/2013 1:00:00 AM

Valid to:

1/3/2016 12:59:59 AM

Subject:

CN=UpdateStar GmbH, O=UpdateStar GmbH, STREET=Hauptstraße 20, L=Berlin, S=Berlin, PostalCode=10827, C=DE

Issuer:

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

Serial number:

009ED227324380B40DDE36C8D31A33831F

File PE Metadata

Compilation timestamp:

6/20/1992 12:22:17 AM

OS version:

1.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

2.25

CTPH (ssdeep):

12288:0EnvpPgfwvLYDZtzRgNoU+9qu9OToO6bXUk+t3Nbsd2T33v3ldbrT:0EnvtiwTYDZtzWoL9qmOsOn9Ad2T33v3

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... 
[+]

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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