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1.course content_ topics of 'c' language i introduction to _b_...__b_.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 1.course content_ topics of 'c' language i introduction to _b_...__b_.exe, “Installer for MiniApp” 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 styleapplicationzillion.com. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
MiniApp  (signed by Sergey Petrov)

Product:
MiniApp

Description:
Installer for MiniApp

Version:
2014.4.27.1945

MD5:
b63073b958fa0e1f500bb4a858b80770

SHA-1:
db765f1acf0a06c0c7c9bb1908c8d1cee47c32e3

SHA-256:
fdc76e70b8592a8de8a1a3fad0b44ff3aab8db5dab2ad9223931eb70087228c4

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:
4/26/2024 11:36:25 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer.?
14.11.5.11

File size:
316.3 KB (323,888 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 MiniApp

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

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:+rFbUzkuvcBYC47l2xWFAS3r/n2KvN48uFPPDZyMc:+r2kuveY3ZF31N4XxZjc

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:
7.9526

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file 1.course content_ topics of 'c' language i introduction to _b_...__b_.exe has been seen being distributed by the following URL.

http://styleapplicationzillion.com/v2779?product_name=1.Course Content: TOPICS OF 'C' LANGUAGE I Introduction to <b>...</b>&filesize=&product_title=1.Course Content: TOPICS OF 'C' LANGUAGE I Introduction to <b>...</b>&installer_file_name=1.Course Content: TOPICS OF 'C' LANGUAGE I Introduction to <b>...</b>&reffer=http://www.charusat.ac.in/.../HT_104_FOP.pdf

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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