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chromeupdate.exe

The application chromeupdate.exe has been detected as a potentially unwanted program by 9 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. This setup program installs potentially unwanted software on the user's PC at the same time as the expected/marketing software, without adequate consent. The program is typically installed via a form of malvertising The file has been seen being downloaded from netloader.cc and multiple other hosts.
MD5:
90e8b8735d89a8111de1e2f6c623a32e

SHA-1:
422e543c401a7a1834c4c69b8ee35238b97cb1d5

SHA-256:
f40a05e4da5ce6352e9b9b1a95b6375fb52af59d20e14995ac4812e22fd9724e

Scanner detections:
9 / 68

Status:
Potentially unwanted

Analysis date:
5/4/2024 7:17:31 AM UTC  (today)

Scan engine
Detection
Engine version

AhnLab V3 Security
Win-Trojan/Downloader.534226
2014.03.13

Baidu Antivirus
Adware.Win32.SelectionLinks
4.0.3.14627

Dr.Web
Trojan.DownLoader7.45888
9.0.1.0178

K7 AntiVirus
Riskware
13.176.11422

McAfee
Artemis!90E8B8735D89
5600.7086

Microsoft Security Essentials
SoftwareBundler:Win32/SelectionLinks
1.10302

Norman
Suspicious_Gen4.CBYQY
11.20140627

Qihoo 360 Security
HEUR/Malware.QVM06.Gen
1.0.0.1015

VIPRE Antivirus
Adware.Win32.Facetheme
27322

File size:
521.7 KB (534,226 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:41 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:Tuu/rDyxkapKsxf6Xql8otBbtdIqh6JGt5nPDJsRL+NntvNrC:Tu4UZxSXBonxQJQ5PVJtVrC

Entry address:
0x30CB

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, 38, 3F, 42, 00, E8, F1, 2B, 00, 00, A3, 84, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 36, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9453

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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

http://netloader.cc/ChromeUpdate.exe

https://chrome-extension-update.s3.amazonaws.com/ChromeUpdate.exe

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