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icreinstall_excelviewer_fr.exe

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MICROMAX STUDIO, S.L.

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_excelviewer_fr.exe, “web Setup ” by MICROMAX STUDIO, S.L has been detected as a potentially unwanted program 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 installCore installer. The file has been seen being downloaded from www.bulktownapplication.com. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
program   (signed by MICROMAX STUDIO, S.L.)

Product:
web

Description:
web Setup

MD5:
62173518d3bd4c9beea940844e26ad07

SHA-1:
d22e43fa025344eaee6a2e644ffd7857aec51144

SHA-256:
4cbbdb2865e779563f926e92fd4b4e4e067e31dffc1113e6c0d76064616d1728

Scanner detections:
1 / 68

Status:
Potentially unwanted

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type 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:
9/27/2024 1:15:51 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.MICROMAXSTUDIO.Installer (M)
16.2.13.12

File size:
925.6 KB (947,864 bytes)

Product version:
1.4

Copyright:
Installer

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
MICROMAX STUDIO, S.L.

Authority:
GoDaddy.com, Inc.

Valid from:
9/1/2015 11:11:38 AM

Valid to:
9/1/2016 11:11:38 AM

Subject:
CN="MICROMAX STUDIO, S.L.", O="MICROMAX STUDIO, S.L.", L=Madrid, 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:
79A6DBFB5606456E

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:yPGpGzYF+yUzNMw8HvgNO6Fxh9kfioAqR8LmQc/JT7/GVOzqVXqKty86GzBL2HAI:yPG4FzyfPgNHTzq5+Ldc/l6qezF2Hx

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...
 
[+]

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

Code size:
37 KB (37,888 bytes)

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

http://www.bulktownapplication.com/c?x=sMW8EN90TSdMRzyakdGT8NnS1eXrrRIgIy2DeifXiu8=&c=ap8MRqPVq uvWkp6R4jL loF6iRObnicSw7VPuz904NWmiLMUpcDJMxCNz0nM PMggdSSAYPPfCPUlA2Ye6PwRMZot6WudcOC414XlGCoV6bLKA0yMvaXMC8UVDn3ewQ&fallback_url=http://res.prograbay.com/.../ExcelViewer_fr.exe

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

TCP (HTTP):
Connects to os.solvefile.com  (207.189.109.121:80)

TCP (HTTP):
Connects to cdnus.solvefile.com  (207.189.109.121:80)

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