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TSULoader.exe

Quality Soft

The application TSULoader.exe, “Installer for MiniApp” by Quality Soft 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 Quality Soft)

Product:
MiniApp

Description:
Installer for MiniApp

Version:
2014.4.27.1945

MD5:
3bb514a7984a9771a34ed8c4eeefcad9

SHA-1:
c6d7df1a402563f21d400a838642b7ae2d7ea501

SHA-256:
dd3ac289880d03b9c2965cebfcd9b4cf38ce9e5d3887edc8a2292ba453541573

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:
1/12/2025 9:21:07 PM UTC  (today)

Scan engine
Detection
Engine version

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

AVG
MalSign.Generic
2015.0.3491

Bkav FE
HW32.CDB
1.3.0.4959

Comodo Security
Application.Win32.InstalleRex.KG
18176

Dr.Web
Adware.Downware.2108
9.0.1.0117

ESET NOD32
Win32/InstalleRex
8.9729

Kaspersky
Trojan.Win32.AntiFW
14.0.0.3951

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.0.59492

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
Adware.WebPick.Installer.J
14.8.8.0

Rising Antivirus
PE:PUF.InstallRex!1.9E4C
23.00.65.14425

Vba32 AntiVirus
Downloader.AdLoad
3.12.26.0

File size:
312.7 KB (320,168 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
Signed by:
Quality Soft

Authority:
Quality Soft

Valid from:
5/13/2013 10:45:49 AM

Valid to:
2/6/2016 9:45:49 AM

Subject:
CN=Quality Soft, O=Quality Soft, S=Some-State, C=US

Issuer:
CN=Quality Soft, O=Quality Soft, S=Some-State, C=US

Serial number:
00EBCC5F9A5F353D39

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:wrFbUzkuvcBYC47l2xWFAS3r/n2KvN48uFPPDZyMd:wr2kuveY3ZF31N4XxZjd

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:
7.9524

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://toolkitfreefast.com/v1162

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