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dayz-setup.exe

DownloadShield

The application dayz-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.downloadspring.com. While running, it connects to the Internet address ps533545.dreamhost.com on port 443.
Publisher:
DownloadShield  (signed and verified)

MD5:
4d2ccbd59663d487bf54e27b487c56f3

SHA-1:
3c8fc69c5caffe3435b986cf583afafde1c67055

SHA-256:
28633a4b61d11bb12fb6f1a96e0d07162adbb6179753d080c0aaf01556cfc30a

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:
4/19/2024 9:35:39 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
17.2.1.5

File size:
283.4 KB (290,200 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\dayz-setup.exe

Digital Signature
Signed by:
DownloadShield

Authority:
VeriSign, Inc.

Valid from:
12/21/2015 7:00:00 PM

Valid to:
3/21/2019 7:59:59 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 10:43:56 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:
7.2211

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file dayz-setup.exe has been seen being distributed by the following URL.

http://www.downloadspring.com/.../downloadarch.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-54-230-5-58.dfw3.r.cloudfront.net  (54.230.5.58:80)

TCP (HTTP):
Connects to server-52-85-83-59.lax1.r.cloudfront.net  (52.85.83.59:80)

TCP (HTTP):
Connects to a23-3-13-195.deploy.static.akamaitechnologies.com  (23.3.13.195:80)

TCP (HTTP):
Connects to a23-3-97-49.deploy.static.akamaitechnologies.com  (23.3.97.49:80)

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