instloffer.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 instloffer.exe by Vittalia Limited has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the Vittalia DM installer. The setup program uses the InstallCore monetization download manager to download additional third party applications that may be unwanted by the user. It is also typically executed from the user's temporary directory.
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Publisher:
Vittalia Limited  (signed and verified)

MD5:
0e5b4a777a8f4f51311e08bfcd450463

SHA-1:
8531d813abcb02b7faaa850ab213a2f1ec51fb3c

SHA-256:
30bedf0d22e5aa52cf9fdf8008d323ae58db564afd2633545229ecca00ffb87d

Scanner detections:
8 / 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:
12/7/2016 5:23:38 PM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Trojan.Packed.26758
9.0.1.0161

ESET NOD32
Win32/Vittalia
8.9853

Reason Heuristics
PUP.VittaliaLimited.K
14.6.12.9

VIPRE Antivirus
Vittalia Installer
29652

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File size:
771.9 KB (790,384 bytes)

File type:
Executable application (Win32 EXE)

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

Common path:
C:\users\{user}\appdata\local\temp\instloffer.exe

Digital Signature
Authority:
VeriSign, Inc.

Valid from:
5/18/2013 2:00:00 AM

Valid to:
5/18/2016 1:59:59 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:
12/5/2009 11:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:zsKcTfl6KPIWt54HjFFmfF+ZPPfnEUn7bnrB0iGz8941+aWWNJRtvqXw/DHvNvo8:afl66/ajFF9lvHbn10J1+/WNJTvqUoXM

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:
7.9834

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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