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utorrent.exe

Lotacepab

Darwen Marketing Inc.

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application utorrent.exe, “Lotacepab Setup ” by Darwen Marketing 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 installCore installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from www.bytehostbulk.com and multiple other hosts.
Publisher:
Falusose   (signed by Darwen Marketing Inc.)

Product:
Lotacepab

Description:
Lotacepab Setup

Version:
3.8.4.4

MD5:
af6dc7c043a47a5a74a5e9fcee51f9df

SHA-1:
04634d29b5cfb22553afbba79b58af6288edbddf

SHA-256:
e1aa56f241a452a9c36ac9e7d1ab1dd6b9d838b939dd1f8c3ecbb4a23aad2c95

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:
11/27/2024 1:27:52 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.DarwenMa.Installer (M)
16.3.21.21

File size:
1014.8 KB (1,039,128 bytes)

Product version:
3.3

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

Digital Signature
Signed by:
Darwen Marketing Inc.

Authority:
thawte, Inc.

Valid from:
2/16/2016 1:00:00 AM

Valid to:
5/18/2017 1:59:59 AM

Subject:
CN=Darwen Marketing Inc., OU=IT, O=Darwen Marketing Inc., L=Victoria, S=British Columbia, C=CA

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
1F1F22B813CDB509DAAD9139C753C40F

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:a1UD+IEILGTewEIKzX68O/ad5gF2SYq/6QgsyQE3Jt7tU8LwIbYwe:ae6IEIqCnzK8sUCF2hsyb3JhtXbf

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file utorrent.exe has been seen being distributed by the following 2 URLs.

http://www.bytehostbulk.com/c?x=OYkA2vqU2N97YcxjY8kcwJ8v29WjwUb2jOO0k0FiHXo=&c=fd9HKn3ujjPQ2m6umIOanYXRKaTEa0y/C1aXDUwW6KJ0Fw/.../Sr iAdv4sAqur&downloadAs=uTorrent.exe

http://www.bytehostbulk.com/c?x=pS2H/6CNUukfIhvKtkm0f8Lt6pVa2ZAfoDywPba Plc=&c=fuKcRBIUWOpPPvtlW9ujeMeXPLt1KUTyR1NHdigES6PJH2TOlzK3vCBjYviJuJY6bVAcQ1MZ78wYw1yGoLSUDza/.../DTFSQiSlFXSNZX4&downloadAs=uTorrent.exe

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