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00000000

Pavel Marchenko

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 file 00000000, “Installer for MountainApp” by Pavel Marchenko has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
MountainApp  (signed by Pavel Marchenko)

Product:
MountainApp

Description:
Installer for MountainApp

Version:
2014.6.12.1603

MD5:
b98afedfce70adfd70f00249d69d5f04

SHA-1:
1aa930af62a9a6bd5d3921cf90649feb0bce6981

SHA-256:
49dd4eddf52668a9167cf9c363dcf9b510a38603907f666ba0e9df883964b4b1

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses Web-Pick's 'File Product', an Installer which wraps various products and downloads and installs it silently through the process, hosted on TusFiles.

Analysis date:
6/16/2024 11:51:26 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
16.11.9.8

File size:
315 KB (322,560 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 MountainApp

Original file name:
TSULoader.exe

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\appdata\local\google\chrome\user data\default\file system\001\t\00\00000000

Digital Signature
Signed by:
Pavel Marchenko

Authority:
COMODO CA Limited

Valid from:
9/23/2013 7:00:00 PM

Valid to:
9/24/2014 6:59:59 PM

Subject:
CN=Pavel Marchenko, O=Pavel Marchenko, STREET=Radistov 34, L=Kiev, S=Kiev, PostalCode=02089, C=UA

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

Serial number:
46402EC14719EBF7B1CB4ADAC69CC041

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:ir5bUzkuvcBYC47l2xhXcDp5xikxyI3rqrupq0FNhAna9iydforDB:irqkuveY3fxikxyI7qSpBAna4ydfEB

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 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=465695462&publisher_id=656&source_id=0&page_id=0&country_code=US&locale=US&browser_id=4&download_id=1397086386&external_id=0&session_id=2794172772&hardware_id=3259868234&installer_file_name=00000000

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