skymonk_s.exe

OOO Lega Media

The application skymonk_s.exe by OOO Lega Media 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from link.bmmedia.net.
Publisher:
OOO Lega Media  (signed and verified)

MD5:
c0a01ee5f02a2a9b7720c05c2def7212

SHA-1:
f9edbad7773e27ba807142769da1f69b65aa350b

SHA-256:
de8935705b0545988a125dfcd75518e6826adc63106234cdc6ef09cd7657aa04

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:
4/23/2024 8:49:54 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OOOLegaMedia.Installer (M)
16.3.7.11

File size:
192.5 KB (197,136 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\skymonk_s.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
5/1/2013 3:00:00 AM

Valid to:
5/2/2014 2:59:59 AM

Subject:
CN=OOO Lega Media, OU=IT, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=OOO Lega Media, L=Saint-Petersburg, S=Saint-Petersburg, C=RU

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:
207A06BD655445095B358B2C5124046E

File PE Metadata
Compilation timestamp:
2/24/2012 10:20:04 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:450gUCuw+YOan2HF6z9PHIB0ImTueIbackp14BUW0ZhDRPRG+a9VO:60gKw+YOa2HF6z9PHIB0ImTueIbackp/

Entry address:
0x38AF

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, 36, 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, 18, 27, 00, 00, FF, 15, B0, 90, 40, 00, 50, BF, A0, F0, 4C, 00, 57, E8, 06, 27, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
29 KB (29,696 bytes)

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

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