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icreinstall_winrarsetup.exe

Susob

Lafefecore

The installer utilizes InstallCore which may bundle about 3-4 offers for various ad-supported toolbars, extensions and utilities. The application icreinstall_winrarsetup.exe, “Susob Setup ” 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, however the file is not signed with an authenticode signature from a trusted source. The installer is marketed through download protals and search ads as WinRAR archiver but will also install additional software offers which include adware, PUPs and browser toolbars.
Publisher:
Lafefecore

Product:
Susob

Description:
Susob Setup

Version:
5.4.5.2

MD5:
9cbffd20f523ea32b873aadcc018550d

SHA-1:
10f674f6ca00ea10e8b3964f6eaeb7d44a04ad1f

Scanner detections:
1 / 68

Status:
Potentially unwanted

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

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:
12/27/2024 10:47:11 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore.Lafefeco.Installer.Meta (M)
16.3.19.12

File size:
949.4 KB (972,139 bytes)

Product version:
5.1.4

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\Documents and Settings\{user}\Local settings\temp\icreinstall_winrarsetup.exe

File PE Metadata
Compilation timestamp:
6/20/1992 3:52:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:FB/lKjzj8FBv5kczIul2cRNZ8DWxe1oEU9U0JjL9usxL0BJb9:FVdBv5hFcANfMuPnue0/b9

Entry address:
0xA5F8

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, CE, 8A, FF, FF, E8, D5, 9C, FF, FF, E8, 64, 9F, FF, FF, E8, 07, A0, FF, FF, E8, A6, BF, FF, FF, E8, 11, E9, FF, FF, E8, 78, EA, FF, FF, 33, C0, 55, 68, C9, AC, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 92, AC, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 26, F5, FF, FF, E8, 11, F1, FF, FF, 80, 3D, 34, B2, 40, 00, 00, 74, 0C, E8, 23, F6, FF, FF, 33, C0, E8, C4, 97, FF, FF, 8D, 55, F0, 33, C0, E8, B6, C5, FF, FF, 8B, 55...
 
[+]

Entropy:
7.9099

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

Code size:
39.5 KB (40,448 bytes)

The file icreinstall_winrarsetup.exe has been seen being distributed by the following 3 URLs.

http://www.tourstownnew.com/c?x=LA6fhdLkNzVjrH1n7HvvkwyxuZLk842DztbNsICzmvw=&c=JgATeTr/awTi1nQC/RsApOVKCQEkEfLt216IFtAzJ86VRJ30N4EflfTrXHGLnWlHoFylZ/z3VnwzTqfE6da3MTBLEOcxA58Zx4U10vUXzcazVUGb0/QdBa/EgrwMLp7z&downloadAs=WinRARSetup.exe&fallback_url=http://allmyapps.com/binary/1410/.../direct-download?token=90c4f1d505d730885cc98010575156fddefdb54b

http://www.tourstownnew.com/c?x=VyuaSgMGwNeWRuskmGUi8Fo6z4ubj1ICPSA/NcZastE=&c=0ERhq3BKzOzlxpngfXW3qFOZy6jNr7UZxWiwXmlb2zDNxSMM7jUT63nwBRFDjFzElueeYDYOOYDUQ6sSoqMpRShy6PQj3aUmTP85GwdwkAhgch2JIxxHP92Nr2/3JzjJ&downloadAs=WinRARSetup.exe&fallback_url=http://allmyapps.com/binary/1410/.../direct-download?token=90c4f1d505d730885cc98010575156fddefdb54b

http://www.tourstownnew.com/c?x=nTWYoH5cAn7PhmmXVpK7h4pnN3XwwGX7Wu WFx5Q9Q4=&c=hJFpEMnEoNuEuVwdWkwyCuX7jiiE33VLmGifKse52JOsBlzOubFMtCKfalKJv1lhvyEqY5YD7G6gTyDigrpeHCDUYbIf3HS7q5fg8sXkJJK0BjXQNQNdAaaAOkBT3qFO&downloadAs=WinRARSetup.exe&fallback_url=http://allmyapps.com/binary/1410/.../direct-download?token=90c4f1d505d730885cc98010575156fddefdb54b

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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