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pbxorsjs.vfo

CLick trUst opt

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The file pbxorsjs.vfo by CLick trUst opt 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 OutBrowse Revenyou installer. It is also typically executed from the user's temporary directory.
Publisher:
CLick trUst opt  (signed and verified)

MD5:
6ea04fffdf87353b305b614604296a6f

SHA-1:
4aaf5596b11807ccae92e5ca4fdf001daf7841a6

SHA-256:
87784184de98ca87a51d81cf141cd41de2f9d154c5413b50089b9d6e85bdc722

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.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
1/15/2025 3:47:48 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse (M)
16.11.26.21

File size:
611.8 KB (626,520 bytes)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\temp\pbxorsjs.vfo

Digital Signature
Signed by:
CLick trUst opt

Authority:
thawte, Inc.

Valid from:
3/8/2015 7:00:00 AM

Valid to:
1/28/2016 6:59:59 AM

Subject:
CN=CLick trUst opt, O=CLick trUst opt, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
3EEF44F7DB6886944B95F12758C93575

File PE Metadata
Compilation timestamp:
12/6/2009 5:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:f4SsJT90NSYcB0pkAamwoQ88Nzfb8M8TpOnycxhfgwN/iV:f4Sc9OS5B0G1tBtD8M8TpAtxRbk

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9470

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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