minecraftdl_28779.exe

Sergey Petrov

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The application minecraftdl_28779.exe, “Installer for Rightapp software” by Sergey Petrov has been detected as adware by 34 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex (Tarma) 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.
Publisher:
Rightapp software  (signed by Sergey Petrov)

Product:
Rightapp software

Description:
Installer for Rightapp software

Version:
2014.4.17.2053

MD5:
0ca4c7bbfceaae526ddb2d65016d072a

SHA-1:
4e8bdc8fe08ecc07af670f7186e986119614b886

SHA-256:
4d6ab50ba91f35d9f452910af95859eab98124194a725ccccf978648f64da4a8

Scanner detections:
34 / 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:
4/20/2024 12:01:52 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.11481826
865

Agnitum Outpost
Trojan.AntiFW
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
2014.06.24

Avira AntiVirus
TR/AntiFW.b.89
7.11.156.52

avast!
Win32:InstalleRex-BI [PUP]
2014.9-140922

AVG
Generic
2015.0.3343

Bitdefender
Trojan.Generic.11481826
1.0.20.1325

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Clam AntiVirus
Win.Trojan.Antifw-2
0.98/19418

Comodo Security
Application.Win32.InstalleRex.KG
18643

Dr.Web
Trojan.WebPick.29
9.0.1.0265

Emsisoft Anti-Malware
Trojan.Generic.11481826
14.09.22

ESET NOD32
Win32/InstalleRex.P potentially unwanted application
8.7.0.302.0

F-Prot
W32/InstallRex.B
4.6.5.141

F-Secure
Trojan.Generic.11481826
11.2014-22-09_2

G Data
Win32.Application.EZDownloader
14.9.24

IKARUS anti.virus
PUP.InstallRex
t3scan.1.6.1.0

K7 AntiVirus
Unwanted-Program
13.180.12498

Kaspersky
Trojan.Win32.AntiFW
14.0.0.3212

Malwarebytes
PUP.Optional.Installrex
v2014.09.22.01

McAfee
PUP-FHQ
5600.6999

MicroWorld eScan
Trojan.Generic.11481826
15.0.0.795

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.0.60475

nProtect
Trojan/W32.AntiFW.323872
14.09.22.01

Panda Antivirus
PUP/TSUploader
14.12.04.12

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
9.14.14.00

Reason Heuristics
Adware.WebPick.Installer.R
14.9.22.12

Rising Antivirus
PE:Trojan.AntiFW!6.18B9
23.00.65.14920

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.4150696
29708

Zillya! Antivirus
Trojan.AntiFW.Win32.197
2.0.0.1835

File size:
316.3 KB (323,872 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 Rightapp software

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\downloads\minecraftdl_28779.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
8/21/2013 2:00:00 AM

Valid to:
8/22/2014 1:59:59 AM

Subject:
CN=Sergey Petrov, O=Sergey Petrov, STREET=Gaydara 13, L=Kyev, S=Kyev, PostalCode=01033, C=UA

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

Serial number:
0AD084E865D27CD546D21DB6EDF89D48

File PE Metadata
Compilation timestamp:
3/12/2013 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:ErybUzkuvcBYC47l2xphuK2+Otbaysqo+/VKitoTxwbs5iD3B2phouFM:ErLkuveY3EMK9ObxD/06s5w3BLuFM

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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file minecraftdl_28779.exe has been seen being distributed by the following URL.

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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