installer_whatsapp_+_bluestacks_spanish.exe

SAFE Store btw

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installer_whatsapp_+_bluestacks_spanish.exe by SAFE Store btw 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 OutBrowse Revenyou installer. The file has been seen being downloaded from d58w.z1-rscom.com.
Publisher:
KBKZN  (signed by SAFE Store btw)

Product:
KBKZN

Version:
99.15618.1347.5794

MD5:
eb0e7901f9033805d6995889f8169846

SHA-1:
c772121631b38a8a9c036519ae0dd09f305fae72

SHA-256:
b05e1fe582f32010ee3e0af1cc80e0438f27744e4f036b62e03e65349a1bf068

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.

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/23/2024 9:31:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.SAFEStor.Bundler (M)
16.6.12.20

File size:
669.2 KB (685,240 bytes)

Product version:
99.15618.1347.5794

Copyright:
KBKZN

Trademarks:
KBKZN

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Common path:
C:\users\{user}\downloads\installer_whatsapp_+_bluestacks_spanish.exe

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
6/15/2015 6:00:00 PM

Valid to:
1/27/2016 5:59:59 PM

Subject:
CN=SAFE Store btw, O=SAFE Store btw, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
472CA227323AAC3CF3D90106389D928C

File PE Metadata
Compilation timestamp:
12/5/2009 4:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:KBdGDA1/n33Ede0DVrdJFv+xWJd/3LDz0j63ZLEOoE+fc8vy4hz:Kms1Pkde0D1dJFvyWJpXz0j636Onb86E

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9738

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file installer_whatsapp_+_bluestacks_spanish.exe has been seen being distributed by the following URL.

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