TSULoader.exe

Alexandr Korobkov

The application TSULoader.exe, “Installer for MiniApp” by Alexandr Korobkov has been detected as adware by 12 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 toolkitfreefast.com.
Publisher:
MiniApp  (signed by Alexandr Korobkov)

Product:
MiniApp

Description:
Installer for MiniApp

Version:
2014.4.27.1945

MD5:
58465b09e514d120b4411a7235830234

SHA-1:
eff6a2c77e215f0cc2d66827ba60d03db62602f3

SHA-256:
baae51b29a71a712e03aef5c4e352d403c4422d43f371a83a6e6b974b79d3fb5

Scanner detections:
12 / 68

Status:
Adware

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

Analysis date:
4/26/2024 9:37:44 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Installer-AP [PUP]
2014.9-140427

Comodo Security
Application.Win32.InstalleRex.KG
18173

Dr.Web
Adware.Downware.2108
9.0.1.0117

ESET NOD32
Win32/InstalleRex
8.9728

Kaspersky
Trojan.Win32.AntiFW
14.0.0.3952

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.0.59492

Panda Antivirus
PUP/TSUploader
14.04.27.02

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
Adware.WebPick.Installer.J
14.4.27.13

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.14425

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

File size:
314.9 KB (322,448 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 MiniApp

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
Tarma Installer

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\tsuloader.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
8/18/2013 8:00:00 PM

Valid to:
8/19/2014 7:59:59 PM

Subject:
CN=Alexandr Korobkov, O=Alexandr Korobkov, STREET=Saksaganskogo 35, L=Kiev, S=Kiev, PostalCode=01033, C=UA

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

Serial number:
6B04DBE9094B7ACC318F5109FD908A4C

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):
6144:orFbUzkuvcBYC47l2xWFAS3r/n2KvN48uFPPDZyMn:or2kuveY3ZF31N4XxZjn

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:
7.9526

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.

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