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imun.exe

File Downloader

The application imun.exe by File Downloader has been detected as adware by 18 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 the user's temporary directory.
Publisher:
File Downloader  (signed and verified)

MD5:
8367497e8af7391bf8f151f08a5b2bab

SHA-1:
1eac1e731ad4616765f42f036259e26d7abff20e

SHA-256:
6e1028dcc79995563ed84d61f62032fd65c8506a89a8865f89f233472fda2616

Scanner detections:
18 / 68

Status:
Adware

Explanation:
Uses the InstallMonetizer distribution platform to bundle adware.

Analysis date:
11/5/2024 11:25:55 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Downloader.Gen
7.11.212.6

avast!
NSIS:InstMonetizer-BW [PUP]
2014.9-150526

AVG
AdLoad
2016.0.3097

Baidu Antivirus
PUA.Win32.VMDetector
4.0.3.15526

Dr.Web
Adware.Downware.918
9.0.1.0146

ESET NOD32
Win32/InstallMonetizer.BD potentially unwanted
9.11215

G Data
NSIS.Adware.InstallMonetizer
15.5.25

K7 AntiVirus
Trojan
13.197.15043

Malwarebytes
Riskware.Vmdetector
v2015.05.26.04

McAfee
Artemis!8367497E8AF7
5600.6753

NANO AntiVirus
Trojan.Nsis.Downloader.djhpgw
0.30.0.296

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.FileDownloader
15.5.26.16

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.15524

Sophos
AppMonetizer Installer
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-Agent
9852

Trend Micro House Call
TROJ_GEN.R02KH05B915
7.2.146

VIPRE Antivirus
InstallMonetizer
37794

File size:
329.2 KB (337,144 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\imun.exe

Digital Signature
Signed by:
File Downloader

Authority:
COMODO CA Limited

Valid from:
9/9/2014 5:00:00 PM

Valid to:
9/10/2015 4:59:59 PM

Subject:
CN=File Downloader, OU=Weather Ping, O=File Downloader, STREET=5655 Silver Creek Valley Road, L=San Jose, S=CA, PostalCode=95138, C=US

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

Serial number:
6C4833E98E5E20FEC258194CE08B6826

File PE Metadata
Compilation timestamp:
12/5/2009 2:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:zFJ0uPtUoNfuED7pJ59ECadigTZXwVCTtZ4rt5q2pd5A8WwFLI:blBfJ7pBAdZXwVC/4rbJd5A89I

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:
7.9087

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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