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update.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 update.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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from files4.fastdownload6.com.
Publisher:
Pour Over Digital  (signed and verified)

Product:
Pour Over Digital

Version:
93.5.6.9130

MD5:
fd1c0e31708287b8600ba43fc9434706

SHA-1:
693bb66a40074a6f320db20f2f14d2923b1265ab

SHA-256:
f49b20d8ef8965b0fa3deb760cea392c349a2b0e3bce4f02da2923e4c88b2cfb

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:
5/6/2024 1:22:22 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.PourOver.Bundler (M)
16.7.14.21

File size:
868.9 KB (889,784 bytes)

Product version:
93.5.6.9130

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:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\update.exe

Digital Signature
Signed by:
Pour Over Digital

Authority:
GoDaddy.com, Inc.

Valid from:
11/3/2015 2:03:38 PM

Valid to:
9/6/2016 3:47:46 AM

Subject:
CN=Pour Over Digital, O=Pour Over Digital, L=San Francisco, S=California, C=US

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
008CC8B56C38E87874

File PE Metadata
Compilation timestamp:
10/15/2014 10:03:16 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:Fd/tIICOqDCAhLmYo+MLyYOne56gGCsV8Fg:QDPFmh9Qne83CGig

Entry address:
0x207B

Entry point:
E8, 90, B8, 00, 00, E9, 92, B1, 00, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, FF, 25, 1C, 41, 41, 00, CC, CC, CC, CC, CC, CC, CC, CC, CC, CC, 56, 8B, 74, 24, 08, 57, 33, FF, 3B, F7, 75, 06, 8D, 47, FE, 5F, 5E, C3, 89, 7E, 2C, 89, 7E, 30, 89, 7E, 18, 89, 7E, 08, 89, 7E, 14, 89, 7E, 34, 39, 7E, 20, 75, 07, C7, 46, 20, E0, 80, 40, 00, 39, 7E, 24, 75, 07, C7, 46, 24, 00, 81, 40, 00, 8B, 46, 28, 8B, 4E, 20, 68, 08, AB, 00, 00, 6A, 01, 50, FF, D1, 83, C4, 0C, 3B, C7, 75, 08, 5F, B8, FC, FF, FF, FF, 5E, C3...
 
[+]

Entropy:
7.9692  (probably packed)

Code size:
52.5 KB (53,760 bytes)

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

http://files4.fastdownload6.com/download/.../dl?bc=1126566&pid=updateadmin&brand=updateadmin.com&c=Mozilla_Firefox&country=ID&cb=1861279016&filename=Update.exe&productKey=5fco2d5uvt6patbrwashdg2jkgnnqz3g&osName=Windows&osVersion=7&browserName=IE&browserVersion=7&zTmp=1&executable=1197167

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