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puscifer - v is for viagra.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 puscifer - v is for viagra.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 www.mp3olimp.net. 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:
2014.3.26.1709

MD5:
a750cb801222284b5a2264b8f3d46d54

SHA-1:
03b63c274862c0d3cd66b50d2647f5059edbff64

SHA-256:
4c41b69ba94682e7fa0eb9dd6329bf4637d93df33d69e4e0c7967ec42bfc10c6

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:
5/10/2024 5:58:35 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware (M)
16.7.30.20

File size:
327.8 KB (335,704 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)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\puscifer - v is for viagra.exe

Digital Signature
Signed by:
Sergey Petrov

Authority:
COMODO CA Limited

Valid from:
8/21/2013 4:30:00 AM

Valid to:
8/22/2014 4:29:59 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 12:21:45 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:trNbUzkuvcBYC47l2x1eKeaQCrY5X4ebwILxi7edikste:trOkuveY3Y3elX5ISiXkMe

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:
7.9265

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file puscifer - v is for viagra.exe has been seen being distributed by the following URL.

http://www.mp3olimp.net/out.php?type=downloadmanager&title=PUSCIFER - V is for Viagra&size=417.93&filename=PUSCIFER - V is for Viagra&product_filename=PUSCIFER - V is for Viagra&url=http://media.unrulysounds.com/.../01PUSCIFER - V is for Viagra.mp3

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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