» icreinstall_skype.exe
Overview
Analysis
File Details
Network (3)

icreinstall_skype.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_skype.exe by UpdateStar GmbH has been detected as a potentially unwanted program 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. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.

File name:

Publisher:

UpdateStar GmbH (signed and verified)

MD5:

c12f50c005f8e6b59bfc10194e216bcc

SHA-1:

945217c7f7420bbe8b18a1187e3290fd30fda31b

SHA-256:

b2aa89136a6670676fcf2e592235714aff05262754db355bddb3306cfe83fdea

Scanner detections:

14 / 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:

4/27/2024 5:27:48 PM UTC (today)

Scan engine

Detection

Engine version

Agnitum Outpost

PUA.InstallCore

7.1.1

Avira AntiVirus

ADWARE/InstallCore.Gen7

7.11.135.72

Baidu Antivirus

Adware.Win32.InstallCore

4.0.3.1439

Dr.Web

Trojan.MulDrop5.10078

9.0.1.068

ESET NOD32

Win32/InstallCore.JE.gen (variant)

8.9511

Malwarebytes

PUP.Optional.Installcore

v2014.03.09.11

McAfee

Artemis!47BFAF37E413

5600.7197

nProtect

Adware/W32.Agent.685056

14.03.06.01

Qihoo 360 Security

Win32/Virus.Adware.94c

1.0.0.1015

Reason Heuristics

PUP.UpdateStarGmbH.R

14.3.9.11

Rising Antivirus

PE:Malware.XPACK-LNR/Heur!1.5594

23.00.65.14307

Trend Micro House Call

TROJ_GEN.F47V0306

7.2.68

Vba32 AntiVirus

Downware.InstallCore

3.12.24.3

VIPRE Antivirus

Adware.Win32.InstallCore.ba

27158

File size:

669 KB (685,056 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_skype.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):

12288:7vptvVqpPXo+HrdkNuX3MmmJalSXGUhjvmWLVGozhj/OuP/th:7vXvV0ddkz82vJGozhj/3h

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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