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mathtype.exe

PortalProgramas

This is the Solimba installer program that will bundle additional offers mostly including adware and various unwanted PC utilities. The application mathtype.exe by PortalProgramas has been detected as adware by 22 anti-malware scanners. The program is a setup application that uses the Solimba DownloadMR installer. The installer uses the Solimba download manager to push adware offers during the download and setup process. Bundled adware includes search and shopping web browser toolbars. The file has been seen being downloaded from dl.d0wnpzivrubajjui.com.
Publisher:
*Rapiddown*  (signed by PortalProgramas)

Description:
Setup Manager

Version:
1.0.0.29

MD5:
d8c61e648cdf4ddcd74c5b1aa0b59659

SHA-1:
7cf1b716739d56c6388817af08d16c6f6ff991f4

SHA-256:
d269f355fdde9d69ef055e47860a8dc10b67af562c17130e87f959de44f2a379

Scanner detections:
22 / 68

Status:
Adware

Explanation:
Uses the Solimba installer to bundle adware offers.

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:
5/2/2024 5:25:32 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Morstar.B
1070

Agnitum Outpost
PUA.Downloader
7.1.1

Avira AntiVirus
APPL/Bechiro.B
7.11.134.54

avast!
Win32:PUP-gen [PUP]
2014.9-140302

Bitdefender
Application.Morstar.B
1.0.20.305

Comodo Security
Application.Win32.Bechiro.BDC
17872

Dr.Web
Trojan.DownLoader11.3311
9.0.1.061

ESET NOD32
Win32/FirseriaInstaller (variant)
8.9490

F-Secure
Application.Morstar.B
11.2014-02-03_1

G Data
Application.Morstar
14.3.24

IKARUS anti.virus
Application.Morstar
t3scan.2.2.29

Kaspersky
not-a-virus:Downloader.Win32.Morstar
14.0.0.4233

Malwarebytes
PUP.Optional.Rapiddown
v2014.03.02.11

MicroWorld eScan
Application.Morstar.B
15.0.0.183

NANO AntiVirus
Trojan.Win32.Morstar.cslwnq
0.28.0.58101

Panda Antivirus
PUP/MultiToolbar.A
14.03.02.11

Qihoo 360 Security
HEUR/Malware.QVM18.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.PortalProgramas.I
14.8.8.0

Rising Antivirus
PE:PUF.FirseriaInstaller@CV!1.9C54
23.00.65.14228

Sophos
Solimba Installer
4.98

Vba32 AntiVirus
Downware.Morstar
3.12.24.3

VIPRE Antivirus
DownloadMR
27002

File size:
172.9 KB (177,056 bytes)

Product version:
3.0.26

Copyright:
copyright·©·2013

Original file name:
inst4ll·3x3

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Solimba DownloadMR

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

Digital Signature
Signed by:
PortalProgramas

Authority:
COMODO CA Limited

Valid from:
1/3/2014 1:00:00 AM

Valid to:
1/4/2015 12:59:59 AM

Subject:
CN=PortalProgramas, OU=Tech, O=PortalProgramas, STREET="Balmes 1, primera planta", L=Terrassa, S=Barcelona, PostalCode=08225, C=ES

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00FD1E07CCAABD98839CDBE058C9F8B3E9

File PE Metadata
Compilation timestamp:
12/30/2013 4:43:44 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:jfwFBn/RRVtCkR495OpHOMnKEUJVBz20OW4Y/T8tEYW:jYFBn/RRVtCcVHrnwJVBztr4W

Entry address:
0x60117

Entry point:
60, E8, 00, 00, 00, 00, 58, 05, 5A, 0B, 00, 00, 8B, 30, 03, F0, 2B, C0, 8B, FE, 66, AD, C1, E0, 0C, 8B, C8, 50, AD, 2B, C8, 03, F1, 8B, C8, 57, 51, 49, 8A, 44, 39, 06, 88, 04, 31, 75, F6, 2B, C0, AC, 8B, C8, 80, E1, F0, 24, 0F, C1, E1, 0C, 8A, E8, AC, 0B, C8, 51, 02, CD, BD, 00, FD, FF, FF, D3, E5, 59, 58, 8B, DC, 8D, A4, 6C, 90, F1, FF, FF, 51, 2B, C9, 51, 51, 8B, CC, 51, 66, 8B, 17, C1, E2, 0C, 52, 57, 83, C1, 04, 51, 50, 83, C1, 04, 56, 51, E8, 5E, 00, 00, 00, 8B, E3, 5E, 5A, 2B, C0, 89, 04, 32, B4, 10...
 
[+]

Entropy:
7.8925

Packer / compiler:
ASPack v1.08.04

Code size:
100.5 KB (102,912 bytes)

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

http://dl.d0wnpzivrubajjui.com/n/3.0.26.3/.../MathType.exe

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