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imupdate.exe

The application imupdate.exe has been detected as a potentially unwanted program by 22 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 www.torinstalls.com.
MD5:
1487d3830aec929bbca5000d5d439b06

SHA-1:
20598ae073728e1a4ab158da51b17287676d7ab6

SHA-256:
59c0eeebd42d9557253d3f3d522b8852c897ee69e03ab10654c302e1fa5cb909

Scanner detections:
22 / 68

Status:
Potentially unwanted

Explanation:
Uses the InstallMonetizer distribution platform to bundle adware.

Analysis date:
12/27/2024 7:48:47 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.NSIS.StartPage.AG
344

Avira AntiVirus
TR/NSIS.StartPage.AG.9
7.11.213.90

avast!
Win32:Adware-gen [Adw]
2014.9-160226

Baidu Antivirus
Adware.Win32.Primawega
4.0.3.16226

Bitdefender
Trojan.NSIS.StartPage.AG
1.0.20.285

Emsisoft Anti-Malware
Trojan.NSIS.StartPage.AG
8.16.02.26.02

ESET NOD32
Win32/InstallMonetizer.AL potentially unwanted
10.11263

F-Secure
Trojan.NSIS.StartPage.AG
11.2016-26-02_6

G Data
Trojan.NSIS.StartPage.AG
16.2.25

K7 AntiVirus
Adware
13.200.15148

McAfee
Artemis!1487D3830AEC
5600.6478

MicroWorld eScan
Trojan.NSIS.StartPage.AG
17.0.0.171

NANO AntiVirus
Trojan.Win32.StartPage.degdto
0.30.0.296

Norman
Suspicious_Gen2.VXYTP
11.20160226

nProtect
Trojan.NSIS.StartPage.AG
15.03.03.01

Panda Antivirus
Trj/CI.A
16.02.26.02

Qihoo 360 Security
Win32/Trojan.2f4
1.0.0.1015

Sophos
Generic PUA IC
4.98

SUPERAntiSpyware
Trojan.Agent/Gen-Downloader
9301

Trend Micro House Call
TROJ_GEN.R00UC0OJ614
7.2.57

Trend Micro
TROJ_GEN.R00UC0OJ614
10.465.26

VIPRE Antivirus
Trojan.Win32.Generic
38092

File size:
168.2 KB (172,278 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\inetcache\ie\{random}\imupdate.exe

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
3072:2gXdZt9P6D3XJevB5UZXEub7Y4iHMgtzXHoL5MIW665ALW0mD7IOvQfq2f67DEEQ:2e34EZEXAt5q2pd5ALW0E0Oy67I7ZGC

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...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://www.torinstalls.com/.../IMUpdate.exe

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