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TSULoader.exe

Optimum App for Laptop

Cablevision Systems Corporation

The file TSULoader.exe, “Installer for Optimum App for Laptop” by Cablevision Systems has been detected as a potentially unwanted program by 7 anti-malware scanners. The program is a setup application that uses the Tarma Installer installer. The setup program uses Web-Pick's InstalleRex download manager and installer to bundle potentially unwanted ad-supported software which includes toolbars and browser extensions through a pay-per-install monetization scheme. The file has been seen being downloaded from img.optimum.net.
Publisher:
Cablevision  (signed by Cablevision Systems Corporation)

Product:
Optimum App for Laptop

Description:
Installer for Optimum App for Laptop

Version:
2015.11.10.949

MD5:
9597baecabd5366a4b9318ba803594d3

SHA-1:
d3987ad40d146fe2d47c6d53f1981b7b70c68446

SHA-256:
e68bbc64f376969a286224847e23f276e5c36f78c13e2ff1e7b3e7eae062e50f

Scanner detections:
7 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstalleRex from WebPick Internet Holdings to install bundled add-ons including toolbars and other web browser extensions.

Analysis date:
9/26/2017 1:44:18 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.TDownloader.A
7.1.1

Comodo Security
Application.Win32.InstalleRex.DP
23573

F-Prot
W32/InstallRex.B
v6.4.7.1.166

McAfee Web Gateway
Artemis
7.6578

Reason Heuristics
Threat.Win.Reputation.IMP
15.11.18.0

Rising Antivirus
PE:PUF.InstallRex!1.9E4C [F]
23.00.65.151116

Vba32 AntiVirus
AdWare.Agent
3.12.26.4

File size:
30.2 MB (31,688,768 bytes)

Product version:
4.12

Copyright:
Copyright © 2015 Cablevision

Original file name:
TSULoader.exe

Installer:
Tarma Installer

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\11d8.tmp

Digital Signature
Signed by:
Cablevision Systems Corporation

Authority:
Symantec Corporation

Valid from:
2/19/2015 7:00:00 PM

Valid to:
3/6/2016 6:59:59 PM

Subject:
CN=Cablevision Systems Corporation, O=Cablevision Systems Corporation, L=Woodbury, S=New York, C=US

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
7EBE7EC9A1FC74D2D7105DE552BD4529

File PE Metadata
Compilation timestamp:
3/12/2013 4:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
786432:VcaPdJdSDIm6X8FPSp444u2XiWf0G1GmwIA2c9aclPRANlmWG:6yJJku444u2XffwP2bclPRANA

Entry address:
0x14DB

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 70, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 6C, 30, 40, 00, FF, 15, 68, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 64, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A8, 32, 40, 00, E8, 43, FB, FF, FF...
 
[+]

Entropy:
8.0000

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

http://img.optimum.net/images/feedmill/custFile/cablevision-both/.../OptimumAppforLaptop_4.12.exe

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