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imun.exe

File Downloader

The application imun.exe by File Downloader has been detected as adware by 15 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:
bbdf945b9f06106195390ff4bd67c5c8

SHA-1:
f92cb4f90d2a6b75ef84f3ca637f7a590f3a309d

SHA-256:
c986292293c08a72b829acdeacd56f08752be302308db72fecfc92fa78164561

Scanner detections:
15 / 68

Status:
Adware

Explanation:
Uses the InstallMonetizer distribution platform to bundle adware.

Analysis date:
11/5/2024 11:44:17 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/Downloader.Gen
7.11.216.120

AVG
Could be an adware AdLoad
2014.0.4257

Baidu Antivirus
PUA.Win32.VMDetector
4.0.3.15312

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/InstallMonetizer.BD potentially unwanted application
7.0.302.0

G Data
NSIS.Adware.InstallMonetizer
15.3.25

herdProtect (fuzzy)
variant of installmanager.exe (Adware)
2015.6.19.7

K7 AntiVirus
Trojan
13.200.15249

Malwarebytes
Riskware.Vmdetector
v2015.03.12.11

NANO AntiVirus
Trojan.Nsis.Downloader.djhpgw
0.30.0.296

Reason Heuristics
PUP.Installer.FileDownloader
15.3.12.23

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.15310

Sophos
PUA 'AppMonetizer Installer' (of type Adware)
5.11

SUPERAntiSpyware
Trojan.Agent/Gen-Agent
10001

VIPRE Antivirus
Threat.4150696
37788

File size:
330.5 KB (338,416 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:SFJ06CnFd90tED7pJ59ECadigTZXwVCTtZ4rt5q2pd5A8WwFdQ:AQsI7pBAdZXwVC/4rbJd5A8LQ

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:
7.9095

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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