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peerblock.exe

Lunacom Interactive Ltd

This is the Tuguu DomaIQ download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application peerblock.exe by Lunacom Interactive 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 TUGUU DomaIQ Setup installer. The file has been seen being downloaded from ttb.yoofiles.com.
Publisher:
Lunacom Interactive Ltd  (signed and verified)

Version:
4.0.6.38

MD5:
53aeba4bfd1eba01daa77e179e7fe2ae

SHA-1:
36bc639c9cea8c606b0fb51883a59d767f7ca56f

SHA-256:
d40c9dc54770b9facba2c5c2b6321ef7e6e771aedc4c736e163ecdb8949dae5f

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
4/26/2024 1:12:59 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.LunacomInteractive.J
14.2.11.21

File size:
313.4 KB (320,880 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
TUGUU DomaIQ Setup

Language:
English (United States)

Common path:
C:\users\{user}\downloads\peerblock.exe

Digital Signature
Signed by:
Lunacom Interactive Ltd

Authority:
VeriSign, Inc.

Valid from:
10/6/2013 1:00:00 AM

Valid to:
12/5/2014 11:59:59 PM

Subject:
CN=Lunacom Interactive Ltd, OU="Raul Valenberg 6, ", OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Lunacom Interactive Ltd, L=Tel Aviv-Jaffa, S=Israel, C=IL

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:
15E496383F5A0396A7AD86D85850D5BB

File PE Metadata
Compilation timestamp:
7/14/2013 9:09:38 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:g+K0ZqNO2VVynsxMFGQDOJ4Rn5Ve1aLLPQ0EqMu00E0EfY1:BZq6KPQDnp5g1ao0pE/S

Entry address:
0x30DC

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 90, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 08, A3, 78, 3F, 42, 00, E8, 73, 2D, 00, 00, A3, C4, 3E, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, 80, F4, 41, 00, FF, 15, 64, 71, 40, 00, 68, 80, 91, 40, 00, 68, C0, 36, 42, 00, E8, 1D, 2A, 00, 00, FF, 15, 1C, 71, 40, 00, BD, 00, 90, 42, 00, 50, 55, E8, 0B, 2A...
 
[+]

Entropy:
7.8834  (probably packed)

Code size:
23 KB (23,552 bytes)

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

http://ttb.yoofiles.com/download/request/.../sKjHw1Is?mkwid=C7cLYTAj&pcrid=3460739600&kword=peerblock&match=e

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