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system_firefoxupdateweb.exe

Pour Over Digital

This is the Tightrope WebInstall which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application system_firefoxupdateweb.exe by Pour Over Digital 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 Tightrope WebInstall installer. With this installer, users are expecting to download the free Mozilla Firefox web browser but before that occurs they may be presented with additional offers, mostly potentially unwanted software or adware.
Publisher:
Developed Small Install System  (signed by Pour Over Digital)

Product:
Developed Small Install System

Version:
48.4.6.5687

MD5:
e08865ab02952056f53108163fc900eb

SHA-1:
2e023e5827701b8fd6856f2e740fef2428f3b968

SHA-256:
c91ca9536a3663a9cef18e18a3050b9f1995f22bc8e88b5ffd6f333e8862d591

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:
4/28/2024 9:07:57 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.PourOverDigital.Bundler (M)
16.2.1.10

File size:
757.6 KB (775,824 bytes)

Product version:
48.4.6.5687

Copyright:
Copyright (C) 2015

Original file name:
setup.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tightrope WebInstall

Language:
English (United States)

Common path:
C:\ProgramData\optimizer\program\system_firefoxupdateweb.exe

Digital Signature
Signed by:
Pour Over Digital

Authority:
VeriSign, Inc.

Valid from:
10/30/2014 5:00:00 PM

Valid to:
10/31/2015 4:59:59 PM

Subject:
CN=Pour Over Digital, O=Pour Over Digital, L=SAN FRANCISCO, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
1A73CF95C7D17B433DC88946E1784EFB

File PE Metadata
Compilation timestamp:
9/16/2014 12:38:13 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:GoRURqqqaMfhhgnCcQmKc5ud0OyxwTwvTS/2k3MoKCjHdgOP7N8ycNF/cPKnrmu3:GoRURznzxQd0OGF2/jhKCjiOPNCnjbL

Entry address:
0x1EFC20

Entry point:
60, BE, 00, 60, 53, 00, 8D, BE, 00, B0, EC, FF, 57, 83, CD, FF, EB, 10, 90, 90, 90, 90, 90, 90, 8A, 06, 46, 88, 07, 47, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 72, ED, B8, 01, 00, 00, 00, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, 01, DB, 73, 0B, 75, 28, 8B, 1E, 83, EE, FC, 11, DB, 72, 1F, 48, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C0, EB, D4, 01, DB, 75, 07, 8B, 1E, 83, EE, FC, 11, DB, 11, C9, EB, 52, 31, C9, 83, E8, 03, 72, 11, C1, E0, 08, 8A, 06, 46, 83, F0, FF, 74, 75, D1, F8, 89...
 
[+]

Entropy:
7.9218

Packer / compiler:
UPX 2.90LZMA

Code size:
744 KB (761,856 bytes)

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

http://files4.download25.info/download/.../dl?bc=1190855&pid=topvideosoft&brand=topvideosoft.com&s=new_source1&c=topdmsg&country=ID&cb=282367912&filename=firefox-update.exe&productKey=uzxlh25ouoiupflchwd5pdzafjsoog5l&osName=Windows&osVersion=8&browserName=IE&browserVersion=7&zTmp=1&executable=1188615

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