chromespeedup_installer.exe

The application chromespeedup_installer.exe has been detected as a potentially unwanted program by 5 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. The installer uses the InstallMonetizer platform which will donwload and install adware toolbars and other potentially unwanted software offers during setup. The file has been seen being downloaded from d3emsmln8xfj03.cloudfront.net and multiple other hosts.
MD5:
e3a48b7af63c28ff7cc12f97686c5eb1

SHA-1:
8a338dbb4af6745192bfa8798fceef2d51f167b1

SHA-256:
a4a04c4d1e8cc75ad78dfdb014aa13def4ad42156e15a268dc8db7fca26101d3

Scanner detections:
5 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallMonetizer distribution platform to bundle adware.

Analysis date:
12/23/2024 11:37:21 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

avast!
NSIS:Adware-KU [PUP]
2014.9-131222

Dr.Web
Adware.Downware.1464
9.0.1.0356

ESET NOD32
Win32/InstallMonetizer.AG
7.9010

SUPERAntiSpyware
Trojan.Agent/Gen-Downloader
10891

Vba32 AntiVirus
suspected of Trojan.Downloader.gen.h
3.12.24.3

File size:
158.6 KB (162,431 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\chromespeedup_installer.exe

File PE Metadata
Compilation timestamp:
12/5/2009 3:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:GgXdZt9P6D3XJ484+XvOvf+4DApbyx3rOiHMgtzXHoL5MIW665A8WlNhDm:Ge34A0b7pbyZr5t5q2pd5A8WZDm

Entry address:
0x30FA

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, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8441

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://d3emsmln8xfj03.cloudfront.net/bundles/.../ChromeSpeedUp_Installer.exe

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