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s2setup.exe

Skymonk Solutions Limited

The application s2setup.exe by Skymonk Solutions Limited has been detected as adware by 4 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from update.skymonk.net and multiple other hosts.
Publisher:
Skymonk Solutions Limited  (signed and verified)

MD5:
c39f2f7374697ea8a1d2c2a6f3c40146

SHA-1:
977b50148c1becca3dd075a9c248371fecf3356b

SHA-256:
93564bd78417225a206e00239f91b4485e491f7a9a7f6cd29c45015386ab2282

Scanner detections:
4 / 68

Status:
Adware

Analysis date:
4/26/2024 3:55:49 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Tool.Skymonk.14
9.0.1.0353

Reason Heuristics
PUP.Installer.SkymonkSolutionsLimited.H
14.5.19.1

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.131217

Trend Micro House Call
TROJ_GEN.F47V1215
7.2.3

File size:
1.2 MB (1,246,016 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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 6:00:00 AM

Valid to:
4/10/2015 5:59:59 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:
2/25/2012 1:22:01 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
24576:7CcMnb1l21D6iq6v/86t1Y8dQOBEmGdW2a0nDG320bgqYryjm4:NY1MhDvkG1VdQzmwW2a0irbTQWm4

Entry address:
0x36DA

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 1C, C7, 44, 24, 10, C0, 8A, 40, 00, 89, 5C, 24, 18, C6, 44, 24, 14, 20, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, AC, 80, 40, 00, 53, FF, 15, A4, 82, 40, 00, 6A, 08, A3, 18, 36, 45, 00, E8, FD, 28, 00, 00, 53, 68, 60, 01, 00, 00, A3, 28, 35, 45, 00, 8D, 44, 24, 3C, 50, 53, 68, BF, 8A, 40, 00, FF, 15, 70, 81, 40, 00, 68, B4, 8A, 40, 00, 68, 20, F5, 44, 00, E8, 27, 26, 00, 00, FF, 15, A8, 80, 40, 00, 50, BF, 50, C0, 47, 00, 57, E8, 15, 26...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file s2setup.exe has been seen being distributed by the following 2 URLs.

http://update.skymonk.net/.../s2setup_mruwtsdpymob0.exe

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

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