» Microsoft Security Essentials.exe
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Analysis
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Microsoft Security Essentials.exe

Microsoft Security Essentials

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application Microsoft Security Essentials.exe by Download Assistant has been detected as adware by 23 anti-malware scanners. The program is a setup application that uses the AirInstaller Download Manager installer. During install, it bundles potentially unwanted software on a user's computer at the same time without adequate consent.

File name:

Publisher:

DownloadAsst_New (signed by Download Assistant)

Product:

Microsoft Security Essentials

Version:

3.0.0.105

MD5:

28949fca577b3ce5b5ed57716c145311

SHA-1:

6c46569e7973ab48fa2337993ebcf990a694b77c

SHA-256:

a1aa3bcf0054fc4d7e49d3efe5b24aa838bebbb6addca1036279e583e3c70091

Scanner detections:

23 / 68

Status:

Adware

Explanation:

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

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:

12/27/2024 3:36:16 PM UTC (today)

Scan engine

Detection

Engine version

Lavasoft Ad-Aware

Gen:Variant.Application.Bundler.AirInstaller.5

5735023

AhnLab V3 Security

PUP/Win32.Bundler

2015.06.11

Avira AntiVirus

TR/Crypt.XPACK.Gen

7.11.30.172

Arcabit

Trojan.Application.Bundler.AirInstaller.5

1.0.0.425

avast!

Win32:Adware-CKC [PUP]

150602-1

AVG

Generic

2016.0.3082

Bitdefender

Gen:Variant.Application.Bundler.AirInstaller.5

1.0.20.805

Bkav FE

W32.HfsAdware

1.3.0.6379

Comodo Security

Application.Win32.DownloadAssistant.S

22406

Dr.Web

Trojan.Vittalia.30

9.0.1.05190

Emsisoft Anti-Malware

Gen:Variant.Application.Bundler.AirInstaller

10.0.0.5366

ESET NOD32

Win32/DownloadAssistant.A potentially unwanted application

7.0.302.0

F-Secure

Riskware.Gen:Variant.Application.Bundler

5.14.151

G Data

Gen:Variant.Application.Bundler.AirInstaller

15.6.25

K7 AntiVirus

Unwanted-Program

13.204.16199

Malwarebytes

PUP.Optional.BundleInstaller.A

v2015.06.10.01

MicroWorld eScan

Gen:Variant.Application.Bundler.AirInstaller.5

16.0.0.483

NANO AntiVirus

Trojan.Win32.Vittalia.dqfrig

0.30.24.2086

Norman

Gen:Variant.Application.Bundler.AirInstaller.5

02.06.2015 14:23:46

Panda Antivirus

Trj/Genetic.gen

15.06.10.01

Reason Heuristics

PUP.Air Software.Bundler

15.6.10.9

Rising Antivirus

PE:Malware.XPACK-HIE/Heur!1.9C48

23.00.65.15608

VIPRE Antivirus

AirInstaller

41000

File size:

961.7 KB (984,768 bytes)

Product version:

3.0.0.105

Original file name:

Microsoft Security Essentials.exe

File type:

Executable application (Win32 EXE)

Bundler/Installer:

AirInstaller Download Manager

Language:

English (United States)

Common path:

C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\microsoft security essentials.exe

Digital Signature

Signed by:

Download Assistant

Authority:

Symantec Corporation

Valid from:

2/16/2015 12:00:00 AM

Valid to:

2/16/2016 11:59:59 PM

Subject:

CN=Download Assistant, O=Download Assistant, L=Victoria, 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:

3784E4CAC60231ED82FD7E8E845E8CE3

File PE Metadata

Compilation timestamp:

6/10/2015 2:13:03 PM

OS version:

5.1

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

10.0

CTPH (ssdeep):

24576:FYX9z/4fFVUs+cRy6UlHUnZwEOmCJ903R6PpE+l:swfFV66U2WJ63QPW+l

Entry address:

0x126A

Entry point:

55, 8B, EC, 83, EC, 10, 53, 56, 57, 6A, 00, FF, 15, 08, 10, 49, 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:

7.0502

Developed / compiled with:

Microsoft Visual C++

Code size:

574.5 KB (588,288 bytes)

The file Microsoft Security Essentials.exe has been seen being distributed by the following URL.

http://download.secure-pc-download.com/v2/click/18a7551f/?d=http://installer-assist.com/download/win-essentials.exe&key=a25b81b869a5abd17fe411b699fd3ae40111753b6bdc1b5d862110a0ae167abb&sid=uk-Microsoft Security Essentials&uid=uk-Microsoft Security Essentials&affiliate_image=http://download-assist.com/admin/.../microsoft security essential_i.png&product_image=http://download-assist.com/admin/.../microsoft security essential_p.png&n=Microsoft Security Essentials&filename=Microsoft Security Essentials

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