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bluestacks_setup.exe

DownloadShield

The application bluestacks_setup.exe by DownloadShield 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 www.os-downloads.com and multiple other hosts.
Publisher:
DownloadShield  (signed and verified)

MD5:
308996fa83ebe06369f1051fbfb39e51

SHA-1:
ecb3ce9632c68b5fbe0ef40d3ed65a84848dd26c

SHA-256:
a820c92919115889695055d80838fa3d9e9422ed218bc8203489b1fd5c12e7fc

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:
4/18/2024 8:38:43 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Download.Installer (M)
16.6.3.0

File size:
288.9 KB (295,840 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
DownloadShield

Authority:
VeriSign, Inc.

Valid from:
12/22/2015 4:00:00 AM

Valid to:
3/22/2019 3:59:59 AM

Subject:
CN=DownloadShield, O=DownloadShield, L=San Jose, S=California, C=US

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:
78070F8D972292519C0C15749BCB3808

File PE Metadata
Compilation timestamp:
8/4/2015 6:43:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:J0hNLQ20DNhZsFiv6BtgZHbGYXwj5484rLLY:Wk2cNhZssG2ZyYXU4fM

Entry address:
0x31FD

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 57, 33, DB, 68, 01, 80, 00, 00, 89, 5C, 24, 1C, C7, 44, 24, 14, F0, 73, 40, 00, 33, F6, C6, 44, 24, 18, 20, FF, 15, B4, 70, 40, 00, FF, 15, B0, 70, 40, 00, 66, 83, F8, 06, 74, 11, 53, E8, F3, 26, 00, 00, 3B, C3, 74, 07, 68, 00, 0C, 00, 00, FF, D0, 68, E8, 73, 40, 00, E8, 74, 26, 00, 00, 68, E0, 73, 40, 00, E8, 6A, 26, 00, 00, 68, D4, 73, 40, 00, E8, 60, 26, 00, 00, 6A, 0D, E8, C3, 26, 00, 00, 6A, 0B, E8, BC, 26, 00, 00, A3, 00, 3C, 42, 00, FF, 15, 34, 70, 40, 00, 53, FF...
 
[+]

Entropy:
7.3642

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file bluestacks_setup.exe has been seen being distributed by the following 2 URLs.

http://www.os-downloads.com/.../Bluestacks_Setup.exe

http://www.os-downloads.com/uk/.../downloadarc.php

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