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installer_microsoft_word_english.exe

Microsoft Word

Install Helper

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_microsoft_word_english.exe by Install Helper 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 dk.900107dwn.com and multiple other hosts.
Publisher:
Install Helper  (signed and verified)

Product:
Microsoft Word

Version:
3.0.0.86

MD5:
0ce7de534ce9e9e7f619c76e16d31507

SHA-1:
558cf9e62f91172b5db358b4f2c3cc573637c35c

SHA-256:
56ad24ccfd3c44047deaf64f6947ba03d0d7fc3914cfe082da43d7993b6482c4

Scanner detections:
1 / 68

Status:
Adware

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

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
12/25/2024 3:35:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Vittalia.InstallHelper (M)
15.12.6.23

File size:
844.7 KB (864,936 bytes)

Product version:
3.0.0.86

Copyright:
(c) Install Helper

Original file name:
installer_microsoft_word_English.exe.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM

Language:
English (United States)

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

Digital Signature
Signed by:
Install Helper

Authority:
Symantec Corporation

Valid from:
1/28/2015 5:00:00 PM

Valid to:
1/29/2016 4:59:59 PM

Subject:
CN=Install Helper, O=Install Helper, L=Vancouver, S=British Columbia, C=CA

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
7CC3624C218D0B5B8DB87F5E4E3521B0

File PE Metadata
Compilation timestamp:
3/12/2015 9:10:39 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:0vX45GDEoMduFJM3AUyj0okmZAF79MjgGoRxIMkuF7v0zQcdjYQ0EsljZDCfozBo:0w5/dEM3HKRkbUeRCMp7Mrl+ufoy+Ab

Entry address:
0x126A

Entry point:
55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 90, 47, 00, 8B, F8, 33, D2, 8B, CF, 8B, 5F, 3C, 03, DF, 2B, 05, 1C, 10, 40, 00, 89, 45, F4, 1B, D2, F7, D8, 89, 55, F8, 0F, B7, 73, 14, 83, D2, 00, F7, DA, 89, 75, F0, 52, 8B, 93, A0, 00, 00, 00, 50, 8B, 44, 1E, 24, 03, 05, 28, 10, 40, 00, 50, FF, B3, A4, 00, 00, 00, E8, 88, FD, FF, FF, 8B, 54, 1E, 28, 83, C4, 10, A1, 28, 10, 40, 00, 2B, D0, 83, FA, 01, 76, 0D, 8B, 4C, 1E, 24, 03, C8, 03, CF, E8, F2, FE, FF, FF, A1, 20, 10, 40, 00, 83, C6, 40, 03, F3...
 
[+]

Entropy:
7.0567

Developed / compiled with:
Microsoft Visual C++

Code size:
478.5 KB (489,984 bytes)

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

http://dk.900107dwn.com/installers/axtan_installers/get.php?ik=air&ua=chrome&ut=ae83467c3e3d8e8614976fa37afc6a51&loop=1&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9vay8xL29rc2VtL2VuZ2xpc2gvdXMvY2hyb21lL21pY3Jvc29mdF93b3JkL2QvMzgwOWI5MjgyNmNjNTk4YWU2ZTM0NDZkY2FmZmNmYjAvYWlyL25hL25hLzAvaW5zdGFsbGVyX21pY3Jvc29mdF93b3JkX0VuZ2xpc2guZXhl&redir=1&u=L2Rvd25sb2FkLm5hd2VydC5jb20vaW5zdGFsbGVycy9vdXQvMDAzMTEwMDMxMjAwMzEzL3BpaWQtNTUwMWFiZmQxMjg0YzQuNTAyMTAzMzgvb2svMS9va3NlbS9lbmdsaXNoL3VzL2Nocm9tZS9taWNyb3NvZnRfd29yZC9kLzM4MDliOTI4MjZjYzU5OGFlNmUzNDQ2ZGNhZmZjZmIwL2Fpci9uYS9uYS8wL2luc3RhbGxlcl9taWNyb3NvZnRfd29yZF9FbmdsaXNoLmV4ZQ==&p=T0tTRU0=&r=7154314&aa=ok/1/oksem//&EK=46&CE=75&EJ=49&EN=7&BJ=82&NC=32&FK=48&GA=46&FG=8&JI=29&s=

http://dk.900107dwn.com/installers/axtan_installers/get.php?ik=air&ua=chrome&ut=7d582e1624bf76fc973dbfc87c5d41c1&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9vay8xL29rc2VtL2VuZ2xpc2gvdXMvY2hyb21lL21pY3Jvc29mdF93b3JkL2QvMzgwOWI5MjgyNmNjNTk4YWU2ZTM0NDZkY2FmZmNmYjAvYWlyL25hL25hLzAvaW5zdGFsbGVyX21pY3Jvc29mdF93b3JkX0VuZ2xpc2guZXhl&r=1948108&loop=1&redir=1&u=L2Rvd25sb2FkLm5hd2VydC5jb20vaW5zdGFsbGVycy9vdXQvMDAzMTEwMDMxMjAwMzEzL3BpaWQtNTUwMWFiZmQxMjg0YzQuNTAyMTAzMzgvb2svMS9va3NlbS9lbmdsaXNoL3VzL2Nocm9tZS9taWNyb3NvZnRfd29yZC9kLzM4MDliOTI4MjZjYzU5OGFlNmUzNDQ2ZGNhZmZjZmIwL2Fpci9uYS9uYS8wL2luc3RhbGxlcl9taWNyb3NvZnRfd29yZF9FbmdsaXNoLmV4ZQ==&p=T0tTRU0=&aa=ok/1/oksem//&NJ=93&IM=87&HG=4&JC=64&HE=31&DA=51&FM=21&EG=16&FC=42&NK=53&s=

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