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yet_another_cleaner_bhj.exe

yac_downloader

Elex do Brasil Participações Ltda

The application yet_another_cleaner_bhj.exe, “standard installer” by Elex do Brasil Participaçõesa 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 NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from dl2.yac.mx and multiple other hosts.
Publisher:
Elex do Brasil Participações Ltda  (signed and verified)

Product:
yac_downloader

Description:
standard installer

Version:
1.0.126.23114

MD5:
3b219d8c259be4fe11a3f992978ac9ff

SHA-1:
fb0f4f5b4fede887b1d04b3e3f04a1616ac8c478

SHA-256:
e2bc25ff24d3f317b2c534c01d4b91f5911ed8d89ac2e2df2db0f356675b09a9

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/6/2024 4:52:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Optional.Installer.ELEX
15.3.4.8

File size:
998.9 KB (1,022,888 bytes)

Product version:
1.0.126.23114

Copyright:
Copyright 2011-2015 Elex do Brasil Participações Ltda. All rights reserved.

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

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

Digital Signature
Signed by:
Elex do Brasil Participações Ltda

Authority:
VeriSign, Inc.

Valid from:
6/23/2014 7:00:00 AM

Valid to:
6/21/2015 6:59:59 AM

Subject:
CN=Elex do Brasil Participações Ltda, O=Elex do Brasil Participações Ltda, L=São Paulo, S=São Paulo, C=BR

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:
5C6950D0A05A1CD63164D1E1EB1FFB8A

File PE Metadata
Compilation timestamp:
4/10/2010 7:19:23 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:m0akHgp+Wu+56IrA4Y5iSdSnfM6UZGETvxoXIB9cGA:muE5bQH4q0nfcgMvZmGA

Entry address:
0x33E9

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, 70, 85, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 78, 06, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, 90, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 6C, 85, 40, 00, FF, 15, 80, 81, 40, 00, 68, 54, 85, 40, 00, 68, 80, 85, 46, 00, E8, 35, 26, 00, 00, FF, 15, B0, 80, 40, 00, 50, BF, A0, 10, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Entropy:
7.8673

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

The file yet_another_cleaner_bhj.exe has been seen being distributed by the following 7 URLs.

http://dl2.yac.mx/download/.../yet_another_cleaner_sk_3570842.exe

http://www.yac.mx/.../3570842

http://dl2.yac.mx/download/.../yet_another_cleaner_sk_0.exe

http://dl2.yac.mx/download/.../yet_another_cleaner_sk_95039.exe

http://www.yacss.com/.../95039

http://www.yac.mx/.../yet_another_cleaner_sk.exe

http://www.yac.mx/download/.../down.php?pt=fix

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