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icreinstall_setup.exe

Fast Downloads

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_setup.exe by Fast Downloads has been detected as adware 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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from downloads.downloadster.org. While running, it connects to the Internet address os.solvefile.com on port 80 using the HTTP protocol.
Publisher:
Fast Downloads  (signed and verified)

MD5:
32865e3880835799afca60cc722fa4ea

SHA-1:
21ef2252b0e7b41ce433687cd02e57f5b38938a5

SHA-256:
e527075aa10cbad06dbff6f960e8ac646585094d14d523e332be809705cff79f

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Utilizes the InstallCore download manager that may bundle various adware-type offers.

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 11:06:32 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adlogica.FastDownloads.Bundler (M)
16.1.2.17

File size:
721.1 KB (738,368 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

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

Digital Signature
Signed by:
Fast Downloads

Authority:
COMODO CA Limited

Valid from:
8/13/2013 5:00:00 PM

Valid to:
8/14/2014 4:59:59 PM

Subject:
CN=Fast Downloads, O=Fast Downloads, STREET=96 Jessie st 4th floor, L=San Francisco, S=CA, PostalCode=94105, C=US

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

Serial number:
00D9726FD3E4B9094351093A3495F1FE97

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:ZvpgTexu1VfYqZ9+ZE1KPWrh/eK4XOki4qAPPw7zn1GclZng16OYQVPzQBL3u:ZvmTeQ4qZ9+Z7PWQ1c6PPKzn7+/YOrQh

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:
7.8577

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

Code size:
37 KB (37,888 bytes)

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

http://downloads.downloadster.org/download.php?id=6d3f174f4cacc0668dcf54572f53efa0e039a07a&z=0&p=eyJweSI6ImRvIiwicnMiOiJnIiwicnQiOiJkIiwiYyI6InVzIiwibyI6IndpbjciLCJiIjoiY2gzMyIsInVfaWQiOiJkb181MzJlOWRiZjQ0MjEzMy44MzAwNjQ2OS4xZmQ5NmI2YmRlMDZiN2RlMDQ4ZmM2NGFkMjVmOTcwMiIsInBhX2lkIjoiMCIsInN0X2lkIjoiMCIsInNwX2lkIjoiMDAwMC0wNzEzNiIsInRzIjoxMzk1NTYzOTY4LCJrdyI6ImR2ZCBkcml2ZXJzIHhwIiwiY3UiOiIiLCJjYSI6bnVsbH0

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)

TCP (HTTP):
Connects to cdneu.webfilescdn.com  (65.254.40.36:80)

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