installer_internet_explorer_japanese.exe

Vittalia Limited

This is the Vittalia Filewon Installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application installer_internet_explorer_japanese.exe by Vittalia Limited 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 Vittalia DM installer. The file has been seen being downloaded from jp.fileprogram.net.
Publisher:
Vittalia Limited  (signed and verified)

MD5:
87faf5efd64b003cbb25a9024a6140d2

SHA-1:
acaa5cc565f60390a8a87d61e0942e01613869fc

SHA-256:
7af5bf1681de17b83522e980e0ebdf5ac9312f74d5ed94d66fe90b4b18666607

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Bundles additional software, mostly toolbars and other potentially unwanted applications using the Vittalia monitization installer.

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:
8/4/2025 8:59:22 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia.Bundler (M)
16.2.17.20

File size:
861.2 KB (881,832 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM (using Nullsoft Install System)

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

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
5/18/2013 9:00:00 AM

Valid to:
5/18/2016 8:59:59 AM

Subject:
CN=Vittalia Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Vittalia Limited, L=Dublin, S=Dublin, C=IE

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:
6CC8DB30E67B3DF9E2607EE882D390AC

File PE Metadata
Compilation timestamp:
12/6/2009 7:52:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
24576:4JB2O/hPj6LhhDdRWAz29cd61p+F1+/WNJTvD:qD/h7qh7RR2m61oFgkVD

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9894

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

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