ss21.exe

Porter Studio Plus

This adware is a web browser extension that will inject advertising in the browser in the form of unwanted banners and text-links which may link to malware sites and install unwanted software. The application ss21.exe by Porter Studio Plus 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 Nullsoft Install System installer. It is also typically executed from the user's temporary directory. It is distributed as part of the Brightcircle group of browser-extensions.
Publisher:
Yfpvdtpehuterg & co.  (signed by Porter Studio Plus)

Description:
Xymevfdy

Version:
4.9.25.21

MD5:
4ec9aa56bb4f0cf921232d5056577936

SHA-1:
a69ad971a67b7cd0dc970849d77dfa5cec8ffdca

SHA-256:
706125c35c7a650dea2fcc25170d71638aee1686a7babd863eef27af2c5c96d0

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:
7/10/2020 11:16:36 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Brightcircle (M)
17.3.10.10

File size:
11.3 MB (11,833,728 bytes)

Copyright:
Copyright Khvoefm

Trademarks:
Fjvkporz is a trademark of Axubh

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\ss21.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
10/19/2014 10:00:00 PM

Valid to:
10/20/2015 9:59:59 PM

Subject:
CN=Porter Studio Plus, O=Porter Studio Plus, STREET=Athinodorou 3, STREET=Dasoupoli Strovolos, L=Nicosia, S=Cyprus, PostalCode=2025, C=CY

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

Serial number:
00B7BA41CFBA8D50AF9A2A64362C08FA91

File PE Metadata
Compilation timestamp:
12/4/2012 11:55:11 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.22

Entry address:
0x412D

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, AC, 01, 00, 00, FF, 15, 74, 73, 45, 00, C7, 04, 24, 01, 80, 00, 00, FF, 15, 58, 74, 45, 00, 53, C7, 04, 24, 00, 00, 00, 00, FF, 15, 98, 74, 45, 00, 56, A3, F4, E7, 44, 00, C7, 04, 24, 08, 00, 00, 00, E8, 8B, 3B, 00, 00, A3, 50, E8, 44, 00, 8D, 85, 84, FE, FF, FF, 57, C7, 44, 24, 10, 00, 00, 00, 00, C7, 44, 24, 0C, 60, 01, 00, 00, 89, 44, 24, 08, C7, 44, 24, 04, 00, 00, 00, 00, C7, 04, 24, A9, B2, 40, 00, FF, 15, AC, 74, 45, 00, 83, EC, 14, C7, 44, 24, 04, AA, B2, 40, 00, C7...
 
[+]

Code size:
33.5 KB (34,304 bytes)

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