dl.exe

Zoobam

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 dl.exe by Zoobam 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.downloadmanager105.com.
Publisher:
Lightspeed Vivid Installation  (signed by Zoobam)

Product:
Lightspeed Vivid Installation

Version:
84.2.2.9204

MD5:
11122d74b9dca11ca329e107d2076163

SHA-1:
eee819891b5cf1a6e58dfbb7ff8748dcd86af594

SHA-256:
013d4b58758e2a2f2540ba670b4f89ce28abae49fbda5f48ef7ff4b8023730e2

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:
5/29/2024 8:33:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Tightrope.Zoobam.Bundler (M)
16.4.18.6

File size:
759.4 KB (777,584 bytes)

Product version:
84.2.2.9204

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}\dl.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
9/3/2015 9:00:00 PM

Valid to:
9/3/2016 8:59:59 PM

Subject:
CN=Zoobam, O=Zoobam, 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:
311DC1BBB26CA79EF9567C60DC69E79A

File PE Metadata
Compilation timestamp:
10/4/2014 11:41:51 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
12288:ldO55C9Yi5wtC7P/0H6NsBOny6Wk/FP9QNNfM6qvzxb5pNJj4K9ZJ36V2LBeFC/H:ldKcJGtCD/tNsIPWk/FP9chJYzh5Xh4Q

Entry address:
0x1EFE20

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...
 
[+]

Packer / compiler:
UPX 2.90LZMA

Code size:
748 KB (765,952 bytes)

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

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