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setup.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 setup.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.downloadstream4.com.
Publisher:
Pour Over Digital  (signed and verified)

MD5:
b5b70369237b60a136d17a32f12022e6

SHA-1:
592b448bcffad69d5a4a83db36a09908036f9ab2

SHA-256:
a72a6480a849d6907c109f728b58c1058f7257e6eff64e0ce143b40369cf9034

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:
4/29/2024 5:34:52 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.PourOver.Bundler (M)
16.3.22.7

File size:
654.6 KB (670,296 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Tightrope WebInstall (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\setup.exe

Digital Signature
Signed by:
Pour Over Digital

Authority:
VeriSign, Inc.

Valid from:
10/31/2014 8:00:00 AM

Valid to:
11/1/2015 7:59:59 AM

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:
1/29/2015 2:35:11 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:m4BS2ly9NKPRdegPsgQr/745jezvROTVo80d1WU1ntTxJ10gJ1TvzX:mhhKeiHQr/s1uRCBQWMxDpX

Entry address:
0x234A

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 78, 73, 40, 00, 33, F6, C6, 44, 24, 14, 20, E8, F8, FD, FF, FF, FF, 15, 30, 77, 40, 00, 68, 01, 80, 00, 00, FF, 15, C0, 70, 40, 00, 53, FF, 15, 2C, 77, 40, 00, 6A, 08, A3, 98, 3D, 42, 00, E8, DD, F9, FF, FF, 53, 68, 60, 01, 00, 00, A3, A0, 3C, 42, 00, 8D, 44, 24, 38, 50, 53, 68, 0B, 74, 40, 00, FF, 15, 50, 71, 40, 00, 68, 00, 74, 40, 00, 68, A0, 34, 42, 00, E8, 5A, F3, FF, FF, FF, 15, BC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57...
 
[+]

Entropy:
7.9733

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

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

http://files4.downloadstream4.com/download/.../dl?bc=1181793&pid=adknowledge&brand=adknowledge.com&aid=adk&s=Fwint_Informer_Informer_adsrep300X250usdisplay&c=informer_fwint&country=HK&variation=chwebsite&cb=57422186&filename=Setup.exe&productKey=glsddki4p47brmxmexuhqg2qa2sp6zo4&referer=false&osName=Windows&osVersion=7&browserName=IE&browserVersion=10&zTmp=1

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