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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. While running, it connects to the Internet address server-54-230-82-245.mia50.r.cloudfront.net on port 80 using the HTTP protocol.
Publisher:
DownloadShield  (signed and verified)

MD5:
a148c1d2307d36dad0ca92282819a33c

SHA-1:
26bac357b87ba2e26091d9218dc3ad2be9463921

SHA-256:
5795988f12994bfadad4f76aa34187b4c985210752aee04b288c6af1cf41d1a8

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:
4/25/2024 7:47:15 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.1.30.17

File size:
260.4 KB (266,688 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:
12/21/2015 6:00:00 PM

Valid to:
3/21/2019 6:59:59 PM

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:
8/3/2015 9:43:56 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

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:
7.2637

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 URL.

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

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP SSL):
Connects to ps533545.dreamhost.com  (64.111.117.81:443)

TCP (HTTP):
Connects to server-52-85-77-135.lax3.r.cloudfront.net  (52.85.77.135:80)

TCP (HTTP):
Connects to server-54-192-7-17.dfw3.r.cloudfront.net  (54.192.7.17:80)

TCP (HTTP):
Connects to p3nlhg686c1686.shr.prod.phx3.secureserver.net  (50.62.103.1:80)

TCP (HTTP):
Connects to server-54-230-7-64.dfw3.r.cloudfront.net  (54.230.7.64:80)

TCP (HTTP):
Connects to server-54-192-36-192.jfk1.r.cloudfront.net  (54.192.36.192:80)

TCP (HTTP):
Connects to server-52-84-64-189.ord51.r.cloudfront.net  (52.84.64.189:80)

TCP (HTTP):
Connects to a96-17-153-51.deploy.akamaitechnologies.com  (96.17.153.51:80)

TCP (HTTP):
Connects to server-54-239-172-88.atl50.r.cloudfront.net  (54.239.172.88:80)

TCP (HTTP):
Connects to server-54-239-172-239.atl50.r.cloudfront.net  (54.239.172.239:80)

TCP (HTTP):
Connects to server-54-230-82-245.mia50.r.cloudfront.net  (54.230.82.245:80)

TCP (HTTP):
Connects to server-54-230-206-58.atl50.r.cloudfront.net  (54.230.206.58:80)

TCP (HTTP):
Connects to server-54-230-206-26.atl50.r.cloudfront.net  (54.230.206.26:80)

TCP (HTTP):
Connects to server-54-230-206-19.atl50.r.cloudfront.net  (54.230.206.19:80)

TCP (HTTP):
Connects to server-54-230-206-134.atl50.r.cloudfront.net  (54.230.206.134:80)

TCP (HTTP):
Connects to server-54-230-141-201.sfo5.r.cloudfront.net  (54.230.141.201:80)

TCP (HTTP):
Connects to server-54-230-141-179.sfo5.r.cloudfront.net  (54.230.141.179:80)

TCP (HTTP):
Connects to server-54-230-141-168.sfo5.r.cloudfront.net  (54.230.141.168:80)

TCP (HTTP):
Connects to server-54-230-141-149.sfo5.r.cloudfront.net  (54.230.141.149:80)

TCP (HTTP):
Connects to server-54-230-141-123.sfo5.r.cloudfront.net  (54.230.141.123:80)

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