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google_chrome_download.exe

DownloadShield

The application google_chrome_download.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.browserwin.com and multiple other hosts. While running, it connects to the Internet address ps533545.dreamhost.com on port 80 using the HTTP protocol.
Publisher:
DownloadShield  (signed and verified)

MD5:
acbd71bba5b795a380f485a43968995c

SHA-1:
84b17f831e3c44a400894329ac5073d4feeed62b

SHA-256:
48b28d6e335423691f06b1b7e9e7dfc3cb5999c623c284285f2b7f76acaf3b21

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:
4/20/2024 1:13:46 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.DownloadShield.Installer (M)
15.12.29.10

File size:
232.5 KB (238,056 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
DownloadShield

Authority:
VeriSign, Inc.

Valid from:
12/21/2015 4:00:00 PM

Valid to:
3/21/2019 4:59:59 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:
8/28/2014 9:10:25 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:D6A3gKJ+cf2osFDv6BtgZHbGYXwj5484rLz:Xfd+os1G2ZyYXU4f

Entry address:
0x31E8

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, E0, 73, 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, B8, 3C, 42, 00, E8, 23, 25, 00, 00, 53, 68, 60, 01, 00, 00, A3, C0, 3B, 42, 00, 8D, 44, 24, 38, 50, 53, 68, DB, 73, 40, 00, FF, 15, 58, 71, 40, 00, 68, D0, 73, 40, 00, 68, C0, 33, 42, 00, E8, 15, 24, 00, 00, FF, 15, AC, 70, 40, 00, 50, BF, 00, 90, 42, 00, 57, E8, 03, 24, 00, 00...
 
[+]

Entropy:
7.7719

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

http://www.browserwin.com/.../download

http://www.browserwin.com/web/.../Google_Chrome_Download.exe

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

TCP (HTTP):
Connects to ps533545.dreamhost.com  (64.111.117.81:80)

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