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c418 - minecraft.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 c418 - minecraft.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:
2014.3.23.1627

MD5:
f6dcdada91a86464cd0623ceff4c28c7

SHA-1:
26c8781da441d3e0adefa6942e481c6ac6b15fb3

SHA-256:
4837a1a1506c5989f072aee956fb26db8e9f8693133af9b8020f34ffc011c76a

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 11:59:18 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
Adware (M)
16.8.5.13

File size:
327.3 KB (335,168 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\c418 - minecraft.exe

Digital Signature
Signed by:
Sergey Petrov

Authority:
COMODO CA Limited

Valid from:
8/21/2013 2:00:00 AM

Valid to:
8/22/2014 1:59:59 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 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:GrQbUzkuvcBYC47l2xVmoQ0gDf3RHy9217LUAnM9iZXjr9:GrFkuveY38g9pfEiZXjB

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...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The file c418 - minecraft.exe has been seen being distributed by the following URL.

http://www.mp3olimp.net/out.php?type=downloadmanager&title=C418 - Minecraft&size=2.1&filename=C418 - Minecraft&product_filename=C418 - Minecraft&url=http://www.orugari.fr/wp-content/uploads/2011/.../calm1.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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