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s2setup.exe

Skymonk Solutions Limited

The application s2setup.exe by Skymonk Solutions Limited has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from update.skymonk.net.
Publisher:
Skymonk Solutions Limited  (signed and verified)

MD5:
5a8b83a1ad3e329227a06af0a88289ee

SHA-1:
494b9af1d6e2b90b08a37cf0d4d57508b98cbeb7

SHA-256:
2eebd57bc804a411807306e12f7e73f588e65152c7c06aee46940ae5174967fe

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/25/2024 4:53:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Installer.SkymonkSolutionsLimited.H
14.5.19.1

File size:
1.5 MB (1,569,928 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\s2setup.exe

Digital Signature
Signed by:
Skymonk Solutions Limited

Authority:
VeriSign, Inc.

Valid from:
4/9/2012 4:00:00 AM

Valid to:
4/10/2015 3:59:59 AM

Subject:
CN=Skymonk Solutions Limited, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Skymonk Solutions Limited, L=Tortola, S=Tortola, C=VG

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
632A5F301191DF03C4933D982BAD525F

File PE Metadata
Compilation timestamp:
11/27/2013 10:18:53 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
24576:U+JCSEByALTRCRLF1Y8dQOBEmJ86Ln6mq6pQT2a0nDG320bgqYsXB5L+RNRLz:dCHB1LNK1VdQzmmYnKT2a0irbTTX7L27

Entry address:
0x38DA

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 68, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 90, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 90, 40, 00, 55, FF, 15, C0, 92, 40, 00, 6A, 08, A3, 98, EB, 47, 00, E8, 0D, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, EA, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 64, A2, 40, 00, FF, 15, 84, 91, 40, 00, 68, 4C, A2, 40, 00, 68, A0, 6A, 47, 00, E8, EF, 26, 00, 00, FF, 15, B0, 90, 40, 00, 50, BF, A0, F0, 4C, 00, 57, E8, DD, 26, 00, 00...
 
[+]

Code size:
28.5 KB (29,184 bytes)

The file s2setup.exe has been seen being distributed by the following URL.

http://update.skymonk.net/.../s2setup_mruwtsdpymob.exe

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