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javaupdater.exe

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The application javaupdater.exe by Download has been detected as a potentially unwanted program by 12 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The installer uses the InstallMonetizer platform which will donwload and install adware toolbars and other potentially unwanted software offers during setup. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from dy0ow622e2lbw.cloudfront.net.
Publisher:
Download  (signed and verified)

MD5:
cef358f9357a42bde7e0cf4510ebdf2b

SHA-1:
25da6f21392254ff664dc3db597e6606a0159f1c

SHA-256:
3f4fed857e9f4965bc98ce55d67eb71cba01f2bf0d0639c2c6d566e7f87ae075

Scanner detections:
12 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallMonetizer distribution platform to bundle adware.

Analysis date:
11/25/2024 5:29:17 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Dropper-gen [Drp]
2014.9-150326

AVG
Generic
2016.0.3159

Baidu Antivirus
Adware.Win32.InstallMonetizer
4.0.3.15326

ESET NOD32
Win32/InstallMonetizer.BC
9.10284

G Data
Win32.Trojan.Agent.1B3L3F
15.3.24

K7 AntiVirus
Trojan
13.183.13098

Malwarebytes
PUP.Optional.InstallMonetizer
v2015.03.26.11

McAfee
Artemis!CEF358F9357A
5600.6815

Reason Heuristics
PUP.Installer.Download
15.3.26.11

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.15324

Sophos
Generic PUA AG
4.98

Trend Micro House Call
Suspicious_GEN.F47V0806
7.2.85

File size:
412.7 KB (422,600 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}\javaupdater.exe

Digital Signature
Signed by:
Download

Authority:
COMODO CA Limited

Valid from:
3/4/2014 7:00:00 PM

Valid to:
3/5/2015 6:59:59 PM

Subject:
CN=Download, O=Download, POBox=95185, STREET=5655 Silver Creek Valley Road, STREET=Building, L=San Jose, S=California, PostalCode=95138, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
36896B9F1FE4BA948408D30CEDEBD165

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:mzN+p5UkallMCBw8yIBtp8dbJd5A4AzybJd5A86:mzcUkalWCTQdbJd5A4AzybJd5A86

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8845

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file javaupdater.exe has been seen being distributed by the following URL.

http://dy0ow622e2lbw.cloudfront.net/JavaUpdater.exe

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