maiko_fujita_[藤田麻衣子]_-_hotaru_[蛍].mp3.exe

Appit

Sergey Petrov

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions using the JustPlug.it browser framework. The application maiko_fujita_[藤田麻衣子]_-_hotaru_[蛍].mp3.exe, “Installer for Appit” by Sergey Petrov has been detected as adware by 33 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:
GreatSoft  (signed by Sergey Petrov)

Product:
Appit

Description:
Installer for Appit

Version:
2014.2.13.1623

MD5:
ef5477770d4e115a228c85899d93f81d

SHA-1:
60e55ae9349bf87204b0f120edee1416bac48edf

SHA-256:
8a573a8201f6f6a0796ae403cf7e2b428adc6f13f93f9a274df009feabd24ebf

Scanner detections:
33 / 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 12:55:21 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.11419110
889

AhnLab V3 Security
PUP/Win32.TSULoader
2014.08.30

Avira AntiVirus
ADWARE/InstallRex.Gen7
7.11.169.248

avast!
Win32:InstalleRex-BI [PUP]
140813-1

AVG
Generic
2015.0.3367

Bitdefender
Trojan.Generic.11419110
1.0.20.1205

Bkav FE
W32.FamVT.AntiFWK.Trojan
1.3.0.4959

Clam AntiVirus
Win.Trojan.Installerex-39
0.98/19314

Comodo Security
Application.Win32.InstalleRex.KG
19353

Dr.Web
Trojan.WebPick.16
9.0.1.05190

Emsisoft Anti-Malware
Trojan.Generic.11419110
9.0.0.4324

ESET NOD32
Win32/InstalleRex.P potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/InstalleRex
8/29/2014

F-Prot
W32/InstallRex.B
4.6.5.141

F-Secure
Trojan.Generic.11419110
11.2014-29-08_6

G Data
Trojan.Generic.11419110
14.8.24

IKARUS anti.virus
PUA.InstallRex
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.183.13198

Kaspersky
Trojan.Win32.AntiFW
15.0.0.494

Malwarebytes
PUP.Optional.Installex
v2014.08.29.01

McAfee
PUP-FHQ
5600.7023

MicroWorld eScan
Trojan.Generic.11419110
15.0.0.723

NANO AntiVirus
Riskware.Win32.InfoLeak.cvgqot
0.28.2.61861

nProtect
Trojan/W32.AntiFW.335152
14.08.29.01

Panda Antivirus
PUP/TSUploader
14.08.29.01

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Quick Heal
Trojan.AntiFW.A5
8.14.14.00

Reason Heuristics
Adware.WebPick.Installer.e
14.8.29.9

Rising Antivirus
PE:Malware.InstalleRex!6.154C
23.00.65.14827

Sophos
InstallRex
4.98

Vba32 AntiVirus
Downware.TSU
3.12.26.3

VIPRE Antivirus
Threat.14871
32210

Zillya! Antivirus
Trojan.AntiFW.Win32.81
2.0.0.1905

File size:
327.3 KB (335,152 bytes)

Product version:
1.0.0.2

Copyright:
Copyright © 2014 GreatSoft

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\maiko_fujita_[?????]_-_hotaru_[?].mp3.exe

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
8/21/2013 7:00:00 AM

Valid to:
8/22/2014 6:59:59 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 3:51:45 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:Zr4N9uEo2S1YnQmCX492DkwNP3qpYFMubbi1bV9v5pfhSKdwFdAqn1wmWkQkOI:Zr4Tu6/eIo4ybepPJSBFdAqn2mWkQrI

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:
7.9504

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file maiko_fujita_[藤田麻衣子]_-_hotaru_[蛍].mp3.exe has been seen being distributed by the following 3 URLs.

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

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

TCP (HTTP):
Connects to c1.stylezip.info  (54.186.255.26:80)

 
http://c1.stylezip.info/?step_id=1&installer_id=9532080&publisher_id=532&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=28596240&external_id=0&session_id=57192480&hardware_id=66724560&installer_file_name=maiko_fujita_[藤田麻衣子]_-_hotaru_[蛍].mp3