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engagement.rar.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 engagement.rar.exe, “Installer for MyApps” by Sergey Petrov 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. The file has been seen being downloaded from www.sendspace.com. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
MyApps  (signed by Sergey Petrov)

Product:
MyApps

Description:
Installer for MyApps

Version:
2014.4.24.1440

MD5:
834b7555c1675349c46137b3db89ef4f

SHA-1:
9763c4b6ca6f9c9d9a4e6bd931acd2ad7446a0f8

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:
4/19/2024 3:24:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer (M)
16.1.14.7

File size:
316.2 KB (323,824 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 MyApps

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\Documents and Settings\{user}\My documents\downloads\engagement.rar.exe

Digital Signature
Signed by:
Sergey Petrov

Authority:
COMODO CA Limited

Valid from:
8/21/2013 5:30:00 AM

Valid to:
8/22/2014 5:29:59 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 2:21:45 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:xrvbUzkuvcBYC47l2xmDZH4xBsprVIvThDm9FdAZ+x99wVp:xrkkuveY3zhlV6tmDxzwVp

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:
7.9537

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

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

http://www.sendspace.com/.../scl2b2

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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