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pixsta_install.exe

Bonjoy Software

The file pixsta_install.exe by Bonjoy Software 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from download.pixsta.com.
Publisher:
Bonjoy Software  (signed and verified)

MD5:
83ea9fea5aac84662bc9357e4e121b67

SHA-1:
82fffa87b306c3cd9c8bca10732d6b385f94a2d5

SHA-256:
5ebced593cc6ef0ed29f4fd3d1edbc318e25dcc8c0c111d2dd8446d5b44301ac

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
5/20/2024 1:54:52 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.BonjoySoftware.Installer (M)
16.2.7.11

File size:
1.7 MB (1,816,376 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\pixsta_install.exe.1pv7pqp.partial

Digital Signature
Signed by:
Bonjoy Software

Authority:
COMODO CA Limited

Valid from:
7/30/2014 7:00:00 PM

Valid to:
7/31/2015 6:59:59 PM

Subject:
CN=Bonjoy Software, O=Bonjoy Software, STREET="510 Market St #301", L=San Diego, S=CA, PostalCode=92101, C=US

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

Serial number:
008994D64FEE6C2BD6A19EF823DEF5CAE4

File PE Metadata
Compilation timestamp:
2/24/2012 1:19:54 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
49152:KNmoiRxJyFED1ybb2QpTU2xsUFTdK88zxwyIU:+rnFED8bNBU2hnH8zT

Entry address:
0x3883

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 68, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 36, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 64, 92, 40, 00, FF, 15, 84, 81, 40, 00, 68, 4C, 92, 40, 00, 68, C0, AD, 46, 00, E8, 18, 27, 00, 00, FF, 15, B0, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 06, 27, 00, 00...
 
[+]

Entropy:
7.9844

Packer / compiler:
Nullsoft install system v2.x

Code size:
27.5 KB (28,160 bytes)

The file pixsta_install.exe has been seen being distributed by the following URL.

http://download.pixsta.com/.../Pixsta_Install.exe

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