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77zip973867.exe

Installer

MediaTechSoft Inc.

This is the Performersoft setup installer. The application 77zip973867.exe by MediaTechSoft has been detected as adware by 20 anti-malware scanners. The program is a setup application that uses the InstallBrain installer. This file is typically installed with the program Updater Service by PerformerSoft LLC which is a potentially unwanted software program. The setup program bundles additional offers, mostly adware, using the InstallBrain installer, a pay-per-install monetization download manager. InstallBrain will also install a background updater service that will update any installed browser add-ons and plug-ins.
Publisher:
MediaTechSoft Inc.  (signed and verified)

Product:
Installer

Version:
15.9.28.27

MD5:
9a0a2ff96a722d337b192becf744adb6

SHA-1:
89fe16dbc39808c36a1f05a7f46f0b1d1d579304

SHA-256:
2cfcde2fa3f0c8312928ae1ed5ee5a225ea62da0b2640afa0604ba386521c1d1

Scanner detections:
20 / 68

Status:
Adware

Explanation:
Uses the InstallBrain monetization platform from iBario to deliver bundled adware both search toolbars and PC optimizers from Performersoft.

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:
4/25/2024 8:50:32 PM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Adware.BrainInst
7.1.1

AhnLab V3 Security
Adware/Win32.BrainInst
2014.01.03

Avira AntiVirus
APPL/InstallBrain.Gen
7.11.123.22

AVG
MalSign.Skodna
2015.0.3272

Comodo Security
Application.Win32.InstallBrain.AO
17541

Dr.Web
Adware.Downware.1295
9.0.1.0337

ESET NOD32
Win32/InstallBrain.AB
8.9242

G Data
Win32.Application.InstallBrain
14.12.22

K7 AntiVirus
Adware
13.174.10720

Kaspersky
Trojan-Downloader.Win32.BrainInst
14.0.0.2853

Malwarebytes
Adware.InstallBrain
v2014.12.03.11

McAfee
RDN/Generic PUP.x!bnc
5600.6928

Microsoft Security Essentials
TrojanDownloader:Win32/Brantall.B
1.165.247.01

NANO AntiVirus
Trojan.Win32.Downware.cqinak
0.28.0.57029

Reason Heuristics
PUP.Installer.MediaTechSoft.L
14.12.3.11

Sophos
Mal/Generic-S
4.96

Total Defense
Win32/Tnega.ATFN
37.0.10498

Trend Micro House Call
TROJ_GEN.F47V0527
7.2.337

Vba32 AntiVirus
AdWare.BrainInst
3.12.24.3

VIPRE Antivirus
InstallBrain
25018

File size:
694.3 KB (710,912 bytes)

Product version:
15.9.28.27

Copyright:
Copyright 2012

Original file name:
installer.exe

File type:
Executable application (Win32 EXE)

Bundler/Installer:
InstallBrain

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\77zip973867.exe

Digital Signature
Signed by:
MediaTechSoft Inc.

Authority:
GoDaddy.com, Inc.

Valid from:
3/29/2013 2:18:00 PM

Valid to:
3/29/2016 2:18:00 PM

Subject:
CN=MediaTechSoft Inc., O=MediaTechSoft Inc., L=Beaverton, S=OR, C=US

Issuer:
SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
4B870730DE21B9

File PE Metadata
Compilation timestamp:
5/24/2013 6:21:29 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:/HJlFXkWnC3s+86T5lHok8UZUE+eCCtWrxnWFqVyurFhMCSEdFrr+EqcJP:lQs+8IlHokPCCtdFq7JyCHnXqcJP

Entry address:
0x1749D

Entry point:
E8, 89, 41, 00, 00, E9, 89, FE, FF, FF, 6A, 0C, 68, D0, 92, 42, 00, E8, ED, 17, 00, 00, 6A, 0E, E8, 86, 43, 00, 00, 59, 83, 65, FC, 00, 8B, 75, 08, 8B, 4E, 04, 85, C9, 74, 2F, A1, 2C, D5, 42, 00, BA, 28, D5, 42, 00, 89, 45, E4, 85, C0, 74, 11, 39, 08, 75, 2C, 8B, 48, 04, 89, 4A, 04, 50, E8, B7, EA, FF, FF, 59, FF, 76, 04, E8, AE, EA, FF, FF, 59, 83, 66, 04, 00, C7, 45, FC, FE, FF, FF, FF, E8, 0A, 00, 00, 00, E8, DC, 17, 00, 00, C3, 8B, D0, EB, C5, 6A, 0E, E8, 52, 42, 00, 00, 59, C3, CC, CC, CC, CC, CC, CC...
 
[+]

Code size:
140 KB (143,360 bytes)

The file 77zip973867.exe has been discovered within the following program.

Updater Service  by PerformerSoft LLC
The program creates a Windows Service under the name "IBUpdaterService" and display name of "Updater Service" which is run by the executable ibsvc.exe digitally signed by Performersoft LLC.
www.installbrain.com
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The file 77zip973867.exe has been seen being distributed by the following URL.

http://www.softologicsd.com/.../gkb0y?exename=77ZipSetup&cid=3867&lang=pt

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to www.softologic.com  (174.37.181.31:80)

TCP (HTTP SSL):
Connects to www.ibbalance.com  (173.192.190.227:443)

TCP (HTTP):
Connects to stats-182385724-1591972470.us-east-1.elb.amazonaws.com  (54.221.252.69:80)

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