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yamaha_downloader-q5yexrqep.exe

Somoto Ltd

The application yamaha_downloader-q5yexrqep.exe by Somoto 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 Nullsoft Install System installer. The file has been seen being downloaded from sub.spirlymo.com and multiple other hosts.
Publisher:
Somoto Ltd  (signed and verified)

Version:
1.0.0.1

MD5:
57c56b198be41a37284f4902f421d0e2

SHA-1:
bfc267070d55d0495a88124068aeea966f6efd87

SHA-256:
0aff481f6dcd8be120a75818cc6dab17f8c3342c0df39c3187add5304f59afb6

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/26/2024 10:21:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Somoto.Installer (M)
15.12.23.8

File size:
406.2 KB (415,928 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Nullsoft Install System

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\yamaha_downloader-q5yexrqep.exe

Digital Signature
Signed by:
Somoto Ltd

Authority:
Symantec Corporation

Valid from:
6/23/2015 7:00:00 PM

Valid to:
8/22/2016 6:59:59 PM

Subject:
CN=Somoto Ltd, O=Somoto Ltd, L=Tel Aviv, S=Israel, C=IL

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
02FED381427052F6E66365A4627FB0ED

File PE Metadata
Compilation timestamp:
12/17/2010 3:14:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.56

CTPH (ssdeep):
6144:fA0m350G+IYmxAEK1EPOdpIgAgx13HmVekJ3g22NM1WvZf54vL3YY2nRS:fA0i50GwqAZyPgp913Q/C2IMUIj3cM

Entry address:
0x39AC

Entry point:
55, 89, E5, 57, 56, 53, 81, EC, 7C, 01, 00, 00, E8, 97, 46, 00, 00, 83, EC, 0C, 68, 01, 80, 00, 00, E8, 42, 43, 00, 00, 6A, 00, E8, AB, 46, 00, 00, 6A, 08, A3, 88, 4C, 42, 00, E8, B1, 28, 00, 00, 6A, 00, 68, 60, 01, 00, 00, A3, 38, 4D, 42, 00, 8D, 85, 90, FE, FF, FF, 50, 6A, 00, 68, A4, A2, 40, 00, E8, F0, 45, 00, 00, 83, EC, 0C, 68, A5, A2, 40, 00, 68, 68, 4D, 42, 00, E8, EF, 2A, 00, 00, 83, C4, 18, E8, FE, 42, 00, 00, 52, 52, 50, 68, 00, D0, 42, 00, E8, DA, 2A, 00, 00, 57, 6A, 00, E8, 39, 42, 00, 00, 83...
 
[+]

Entropy:
7.8987  (probably packed)

Code size:
28.5 KB (29,184 bytes)

The file yamaha_downloader-q5yexrqep.exe has been seen being distributed by the following 2 URLs.

http://sub.spirlymo.com/installers/cli/.../SevenZip_downloader-Q187sunE3.exe

http://sub.yorkshatb.com/Q5yeXRqEpdf71bb3911a4b6ce624d5ac9295ebe72089eB36TJmYYToyOntzOjI6InRzIjtpOjE0NDkxNTM0ODI7czoxOiJmIjtzOjcyOiIvaG9tZS93d3cvYXNzZXRzL2JldHRlcl9pbnN0YWxsZXIvaW5zdGFsbGVycy9jbGkvc2V0dXBfMTQ0OTE1MTI4MDQ0NS5leGUiO30=?__cookie=__utma=1.2069992146.1449114078.1449114078.1449153466.2; __utmb=1.2.10.1449153466; __utmz=1.1449153466.2.2.utmcsr=freetodownload|utmccn=betterinstaller_generic_cli|utmcmd=quickscraper; __utmt=1; __utmc=1

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