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icreinstall_chromecastinstaller.exe

Tiros

InstallSpeedy (New Media Holdings Ltd.)

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_chromecastinstaller.exe, “Tiros Setup ” by InstallSpeedy (New Media Holdings) has been detected as adware 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 installer is marketed through download protals and search ads as Google's Chrome web browser but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
InstallSpeedy (New Media Holdings Ltd.)  (signed and verified)

Product:
Tiros

Description:
Tiros Setup

MD5:
b822cdd932179ee4bfbc48d62159aef7

SHA-1:
1c03f5b24a6f22fb26c6ce12b4abaa93d17f55c6

SHA-256:
251268c4adf1af45b17de8767b03fd50acd0c8238976b4e98a7df0de9d287b13

Scanner detections:
1 / 68

Status:
Adware

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

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/26/2024 7:28:13 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.NewMedia.NMH.Bundler (M)
16.6.27.8

File size:
945.6 KB (968,304 bytes)

Product version:
1.6.5

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
InstallSpeedy (New Media Holdings Ltd.)

Authority:
GlobalSign nv-sa

Valid from:
3/15/2016 9:40:35 AM

Valid to:
7/11/2017 7:28:33 AM

Subject:
CN=InstallSpeedy (New Media Holdings Ltd.), O=InstallSpeedy (New Media Holdings Ltd.), L=Tel Aviv, C=IL

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121F59EA8A6B04CAE5E738F6CB09D295BDB

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):
24576:Szk9OOc6OQEsHwAOSWyKVV+J70OaZ9FqtTyUJp5:W6c6OKNOEC0Q7Bqttp

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9368

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

Code size:
39.5 KB (40,448 bytes)

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

http://downloadbureau.com/Bundle/get.php?name=chromecastinstaller.exe&url=https://dl.google.com/tag/s/appguid={079ede36-133d-44b0-8053-c7c1fa8d2e0d}&appname=chromecastapp&lang=en&needsadmin=false/chromecast/setup/.../chromecastinstaller.exe

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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