uoj.exe

ObjectBrowser_version2.1

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 uoj.exe, “ObjectBrowser_version2.1 exe” by Porter Studio Plus has been detected as adware by 24 anti-malware scanners. It runs as a scheduled task under the Windows Task Scheduler triggered to execute each time a user logs in. It is built using the Crossrider cross-browser extension toolkit. While the file utilizes the Crossrider framework and delivery services, it is not owned by Crossrider. It is part of the Brightcircle group of web-extensions that inject advertisements in the browser.
Publisher:
Object Browser  (signed by Porter Studio Plus)

Product:
ObjectBrowser_version2.1

Description:
ObjectBrowser_version2.1 exe

Version:
1000.1000.1000.1000

MD5:
866d9fb5411ed5984a8b5eb725eb50d3

SHA-1:
6928d71c8f0187634c7a62253926eaa93d6405bc

SHA-256:
8e0a00c6a38c9342e806bc8236bd521eabd0bd6e5e024bf7fd89e16a85ef43db

Scanner detections:
24 / 68

Status:
Adware

Explanation:
The software may change the browser's home page and search provider settings as well as display advertisements.

Analysis date:
4/24/2024 7:27:51 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Application.Heur.Dv1@kacagcfO
778

AhnLab V3 Security
PUP/Win32.CrossRider
2014.12.12

Avira AntiVirus
ADWARE/CrossRider.Gen4
7.11.182.78

avast!
Win32:PUP-gen [PUP]
141025-0

AVG
Generic
2015.0.3305

Bitdefender
Gen:Application.Heur.Dv1@kacagcfO
1.0.20.1765

Dr.Web
Trojan.Crossrider.36853
9.0.1.05190

Emsisoft Anti-Malware
Gen:Application.Heur.Dv1@kacagcfO
8.14.12.19.01

ESET NOD32
Win32/Toolbar.CrossRider.AX (variant)
8.10645

F-Prot
W32/A-1a27c920
v6.4.7.1.166

F-Secure
Riskware.Gen:Application.Heur.Dv1@kacagcfO
11.2014-19-12_6

G Data
Win32.Adware.Crossrider
14.10.24

IKARUS anti.virus
Trojan.GoogUpdate
t3scan.1.8.5.0

K7 AntiVirus
Unwanted-Program
13.186.14309

Kaspersky
Trojan.NSIS.GoogUpdate
14.0.0.2775

Malwarebytes
PUP.Optional.ObjectBroswer.A
v2014.10.30.12

MicroWorld eScan
Gen:Application.Heur.Dv1@kacagcfO
15.0.0.1059

NANO AntiVirus
Trojan.Win32.Crossrider.dhctlg
0.28.6.62995

Norman
Gen:Application.Heur.Dv1@kacagcfO
11.20141219

Panda Antivirus
Trj/Genetic.gen
14.12.19.01

Reason Heuristics
PUP.Task.PorterStudioPlus.D
14.11.3.21

Sophos
PUA 'AppRider' (of type Adware)
58

VIPRE Antivirus
Threat.4789396
34232

Zillya! Antivirus
Adware.CrossRider.Win32.297
2.0.0.2004

File size:
1.5 MB (1,528,224 bytes)

Product version:
1000.1000.1000.1000

Copyright:
Copyright 2011

Original file name:
ObjectBrowser_version2.1.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\roaming\uoj.exe

Digital Signature
Authority:
COMODO CA Limited

Valid from:
10/20/2014 3:00:00 AM

Valid to:
10/21/2015 2:59:59 AM

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:
10/24/2014 10:34:58 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
24576:2mIgUd3ilDQgPDqEBvx8rt0uPxKBkI/ba53CSMmj2qW52vpST9TIL:2mLNP1MrWupHIu5AqW52vpST9T6

Entry address:
0xEF700

Entry point:
E8, C3, 00, 01, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 56, 8B, 75, 08, 85, F6, 78, 09, E8, F6, 01, 01, 00, 3B, 30, 7C, 07, E8, ED, 01, 01, 00, 8B, 30, E8, E0, 01, 01, 00, 8B, 04, B0, 5E, 5D, C3, 55, 8B, EC, 56, E8, 34, 5F, 00, 00, 8B, F0, 85, F6, 75, 07, B8, 80, 41, 55, 00, EB, 26, 53, 57, 33, FF, BB, 86, 00, 00, 00, 39, 7E, 24, 75, 1B, 6A, 01, 53, E8, 7E, 31, 00, 00, 59, 59, 89, 46, 24, 85, C0, 75, 0A, B8, 80, 41, 55, 00, 5F, 5B, 5E, 5D, C3, FF, 75, 08, 8B, 76, 24, E8, 90, FF, FF, FF, 50, 53, 56, E8, 3F, EE...
 
[+]

Code size:
1.1 MB (1,146,880 bytes)

Scheduled Task
Task name:
UOJ

Trigger:
Logon (Runs on logon)


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