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installer_microsoft_office_2013_english.exe

100Blogs SL

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_office_2013_english.exe by 100Blogs SL has been detected as adware by 16 anti-malware scanners. The program is a setup application that uses the Vittalia DM installer. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.nawert.com.
Publisher:
100Blogs SL  (signed and verified)

MD5:
8cbf5ddd12eac3fff271639a8d85fda1

SHA-1:
a9766c486ab53990e894fb6c0f2559b10282fb3a

SHA-256:
470b2fe3e87e8a6091801fffae8ae82349cc918134fbb5bd56da065273f790ce

Scanner detections:
16 / 68

Status:
Adware

Explanation:
Uses the InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

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:
12/26/2024 5:47:12 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVirus
Adware/InstallCore.144181
7.11.144.168

avast!
Win32:Malware-gen
2014.9-140429

AVG
Generic_c
2015.0.3490

Comodo Security
Application.Win32.InstallCore.HYE
18162

ESET NOD32
Win32/InstallCore.MW
8.9704

Fortinet FortiGate
Riskware/InstallCore
5/9/2014

G Data
Win32.Trojan.Agent.OUXLMY
14.5.24

Malwarebytes
PUP.Optional.InstallCore
v2014.04.29.11

McAfee
Artemis!B81EA9CCBC0E
5600.7146

Qihoo 360 Security
Win32/Virus.Adware.f76
1.0.0.1015

Reason Heuristics
PUP.100BlogsSL.h
14.5.9.15

Sophos
Install Core Click run software
4.98

Trend Micro House Call
TROJ_GEN.F47V0412
7.2.119

Vba32 AntiVirus
Downware.InstallCore
3.12.26.0

VIPRE Antivirus
InstallCore.b
28484

File size:
664.6 KB (680,560 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Vittalia DM (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\installer_microsoft_office_2013_english.exe

Digital Signature
Signed by:
100Blogs SL

Authority:
GoDaddy.com, Inc.

Valid from:
10/14/2013 1:18:59 AM

Valid to:
10/14/2016 1:18:59 AM

Subject:
CN=100Blogs SL, O=100Blogs SL, L=CERDANYOLA DEL VALLES, S=BARCELONA, C=ES

Issuer:
CN=Go Daddy Secure Certificate Authority - G2, OU=http://certs.godaddy.com/repository/, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
2B93142DC69C91

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:C6gpT/xLoVzERg5tauY0+PRFILuXY8kziQjnjA:C6gBJLoVMg5ta97j4KCjA

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, 53, C9, FF, FF, E8, 9A, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Entropy:
7.8652

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

The file installer_microsoft_office_2013_english.exe has been seen being distributed by the following URL.

http://www.nawert.com/.../download?p=US&concordancia=b&red=g&plataforma=c&anuncio=36119704310&kw=office 7&ubicacion=&categoria=&random=1496098310499048404&posicion=1s4&gclid=CKqJlou4970CFeY-Mgodh1gACA&version=5&tmuid=5e83ba1a16cb7cfe200610d4fa967b8f

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