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battlefield 3 repack by [r.g. механики].exe

Boris Burkin

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 battlefield 3 repack by [r.g. механики].exe, “Installer for TopApp software” by Boris Burkin 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 iframe.guidehoome.com. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
TopApp software  (signed by Boris Burkin)

Product:
TopApp software

Description:
Installer for TopApp software

Version:
2014.5.23.1127

MD5:
baf7433192118f75748692b4cb057241

SHA-1:
42eceb9e24a0d1858c19f84140e87fdf7fd821b4

SHA-256:
90cdef16e11f511b3c30eb6fd2c1778b8956ce74dc43878e2e42317cb3061384

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:
4/25/2024 8:53:50 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer (M)
16.2.3.11

File size:
315.1 KB (322,696 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 TopApp software

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\battlefield 3 repack by [r.g. механики].exe

Digital Signature
Signed by:
Boris Burkin

Authority:
COMODO CA Limited

Valid from:
9/18/2013 5:00:00 PM

Valid to:
9/19/2014 4:59:59 PM

Subject:
CN=Boris Burkin, O=Boris Burkin, STREET=Tankistiv 14, L=Kyiv, S=Kyivska, PostalCode=03061, C=UA

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

Serial number:
033AD040336E8286DF7ACF4D4908361F

File PE Metadata
Compilation timestamp:
3/12/2013 1:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:8rYbUzkuvcBYC47l2xLnvhueEZdkKQ3+7Oj7hTOVA1HWZbw:8rdkuveY3CvI5Zdkj6OEu1HSbw

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 battlefield 3 repack by [r.g. механики].exe has been seen being distributed by the following URL.

http://iframe.guidehoome.com/76b570465eed2f8e13812716c43e5a0c/cfn/dl.php?id=1400923497723967561&r=http://applicationgrabb.com/.../?&q=Battlefield 3 repack by [R.G. ????????]&product_name=Battlefield 3 repack by [R.G. ????????]&installer_file_name=Battlefield 3 repack by [R.G. ????????]&id=1400923497723967561&d=724&q=Battlefield 3 repack by [R.G. ????????]&__rnd=4124838f1ce6320b97b4f8dd8ceab4bb&q=Battlefield 3 repack by [R.G. ????????]&__rnd=7435b6ea7763eb3632905afe97e9a5dc

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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