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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:
6713161668590e1092da2172aaffdb6d

SHA-1:
13382f6dfc6c4a68094131663f60fbea5743dc8c

SHA-256:
e04cce798e87f24be2690c73b7dad8d4bcd5970e0ce78620691d545861a4d2ea

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:
11/15/2024 9:30:12 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.PourOver.Bundler (M)
16.5.31.5

File size:
869 KB (889,816 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 3:03:38 PM

Valid to:
9/6/2016 4:47:46 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 11:03:16 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:ld/tIICOqDCAhLmYo+MLyYOne56gGCsV8FVE:wDPFmh9Qne83CGiW

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&aid=091615&s=test_source&c=Mozilla_Firefox&country=MY&cb=1540618455&filename=Update.exe&productKey=5fco2d5uvt6patbrwashdg2jkgnnqz3g&osName=Windows&osVersion=7&browserName=IE&browserVersion=7&zTmp=1&executable=1197167

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