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yet_another_cleaner_bbs.exe

YAC Security Protection

Elex do Brasil Participações Ltda

The application yet_another_cleaner_bbs.exe, “YAC Security Protection Setup Program” by Elex do Brasil Participaçõesa has been detected as a potentially unwanted program by 2 anti-malware scanners. This is a self-extracting archive and installer and has been known to bundle potentially unwanted software. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. 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 Security Protection

Description:
YAC Security Protection Setup Program

Version:
5.6.125

MD5:
5ba9c88c1b3a25dab17a03613593f58e

SHA-1:
3654508ccf1913eed3a3c1644d3938986b830a1c

SHA-256:
1ffa79e1d11f51c0e2fb89fda04eefb5162366517da816e90c9e6ab130eeafdd

Scanner detections:
2 / 68

Status:
Potentially unwanted

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
12/26/2024 8:10:12 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/OpenCandy (variant)
9.11012

Reason Heuristics
PUP.Optional.Installer.X
15.1.14.8

File size:
1.1 MB (1,150,816 bytes)

Product version:
5.6.125

Copyright:
Copyright © ELEX DO BRASIL PARTICIPAÇÕES LTDA

Original file name:
YAC Security ProtectionSetup.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
Elex do Brasil Participações Ltda

Authority:
VeriSign, Inc.

Valid from:
6/22/2014 9:00:00 PM

Valid to:
6/20/2015 8:59:59 PM

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:
12/16/2014 3:26:02 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:s/xB2AUVbWNLHp0kT1ThvgkCy0K78oGm8O+bLRng+:MAKNLJNRThvgklV9GQ+1

Entry address:
0x5B174

Entry point:
E8, 75, AB, 00, 00, E9, 79, FE, FF, FF, 8B, FF, 55, 8B, EC, 81, EC, C4, 00, 00, 00, A1, B0, A2, 49, 00, 33, C5, 89, 45, FC, 56, 8B, 75, 08, 57, 33, FF, 89, BD, 4C, FF, FF, FF, 3B, F7, 75, 1E, E8, AE, 2B, 00, 00, 6A, 16, 5E, 57, 57, 57, 57, 57, 89, 30, E8, DC, F5, FF, FF, 83, C4, 14, 8B, C6, E9, 24, 01, 00, 00, E8, E6, 6D, 00, 00, 8D, 85, 4C, FF, FF, FF, 50, E8, DD, 6E, 00, 00, 59, 85, C0, 74, 0D, 57, 57, 57, 57, 57, E8, 8A, F4, FF, FF, 83, C4, 14, 8B, 85, 4C, FF, FF, FF, 53, 6A, 3C, 99, 59, F7, F9, 66, 89...
 
[+]

Code size:
497 KB (508,928 bytes)

The file yet_another_cleaner_bbs.exe has been seen being distributed by the following 3 URLs.

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

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

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

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