icreinstall_skype.exe

Mafelobes

MICROMAX STUDIO, S.L.

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_skype.exe, “Mafelobes Setup ” by MICROMAX STUDIO, S.L has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the installCore installer. The file has been seen being downloaded from www.hostingflashmeta.com and multiple other hosts. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Bemadetuso   (signed by MICROMAX STUDIO, S.L.)

Product:
Mafelobes

Description:
Mafelobes Setup

Version:
4.1.5.1

MD5:
5e44d48a190c6db8a7a6192521e8eda0

SHA-1:
4e5bf18abbc958fb398b406091c585bd0ad6d11f

SHA-256:
4aa443ae659f8720b8d60c5b9641d3ddf1f3f1724b2f9dfcd43c1c34f318314e

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type offers.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
11/23/2024 2:53:54 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.MICROMAX.Installer (M)
16.4.15.13

File size:
942.9 KB (965,552 bytes)

Product version:
2.7

Copyright:
Fast

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
Authority:
GoDaddy.com, Inc.

Valid from:
9/1/2015 11:11:38 AM

Valid to:
9/1/2016 11:11:38 AM

Subject:
CN="MICROMAX STUDIO, S.L.", O="MICROMAX STUDIO, S.L.", L=Madrid, C=ES

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
79A6DBFB5606456E

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):
24576:BW2WIKXCZ/YlZQFk7cZG8K22fs3wUQqoQzfQ4tlK+vJ3Y:BzJVAZU+EP2fCwUPoEfQCK+vJ3Y

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 file icreinstall_skype.exe has been seen being distributed by the following 23 URLs.

http://www.hostingflashmeta.com/c?x=veNuRrFqYR3qpQyM945yQUCgTtjAj6rqJJZM4vlC6EQ=&c=snPDJUvrA7I4fUr7WJExkhbOrpmDuuQ6F/jJRUqTSLruKGlenzDq3REcqNwnQnniFYt4BxXLY9QGdGhcu9SWh HHjtmQSwyD4G6KeDA8QmT8vzgEbMYOENWRGelJnbxQ9N zqxIoaNIagRXsVa5rqgbdL4Opg6jYSPwn9o zmnU=&e=1&downloadAs=skype.exe&fallback_url=http://res.kchuss.com/.../SkypeSetupFull.msi

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)

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