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btd1003657-0f9f256f13f5e0ea2d64.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 btd1003657-0f9f256f13f5e0ea2d64.rar.exe, “Installer for Puresafe” 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 forallhomee.com. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
Puresafe  (signed by Sergey Petrov)

Product:
Puresafe

Description:
Installer for Puresafe

Version:
2014.3.23.1627

MD5:
543ba4b505f38e6a71abb477cc2a1e3e

SHA-1:
86a3fc6f5f3ece6a99b9388713f7e8e8971b1b67

SHA-256:
d41f97c35fbd3b535a4f1c8a529ba03ec606f23547a2b2afd09779a3daf6f75e

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:
4/24/2024 7:26:59 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.WebPick.Installer (M)
16.6.28.6

File size:
334.2 KB (342,232 bytes)

Product version:
1.0.0.3

Copyright:
Copyright © 2014 Puresafe

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\downloads\btd1003657-0f9f256f13f5e0ea2d64.rar.exe

Digital Signature
Signed by:
Sergey Petrov

Authority:
COMODO CA Limited

Valid from:
8/20/2013 7:00:00 PM

Valid to:
8/21/2014 6:59:59 PM

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 2:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:Erv3ckbUzkuvcBYC47l2xpLKrslNnPRoBQq95oQivLIojHVREkLMZ4/SzyhKmGM:Erv3cZkuveY3GLWYNPqOaop3ZLMZ3zyf

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:
7.9569

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file btd1003657-0f9f256f13f5e0ea2d64.rar.exe has been seen being distributed by the following URL.

http://forallhomee.com/v1160?product_name=bTd1003657-0f9f256f13f5e0ea2d64.rar&installer_file_name=bTd1003657-0f9f256f13f5e0ea2d64.rar&product_file_name=bTd1003657-0f9f256f13f5e0ea2d64.rar&product_download_url=http://fra-7m22-stor02.uploaded.net/.../6ebd01e7-f313-4476-821c-92c1703349e7

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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