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wordinstaller.exe

CAJ Media

The application wordinstaller.exe by CAJ Media has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer.
Publisher:
CAJ Media  (signed and verified)

MD5:
43542a7e65a7c37d0774a782120a8ad4

SHA-1:
b2b660b5974166357ea9a1ed2bf5355610eef359

SHA-256:
a1f691311796d51fb8446a8e7059db803b28910a994f148776cb11849b5bccf1

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
4/18/2024 3:39:52 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.CAJMedia.Installer (M)
16.1.13.0

File size:
353.7 KB (362,144 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\wordinstaller.exe

Digital Signature
Signed by:
CAJ Media

Authority:
The USERTRUST Network

Valid from:
5/25/2010 7:00:00 PM

Valid to:
5/26/2011 6:59:59 PM

Subject:
CN=CAJ Media, O=CAJ Media, STREET="L4, 154 Fanshaw Street", L=Auckland, S=New Zealand, PostalCode=1140, C=NZ

Issuer:
CN=UTN-USERFirst-Object, OU=http://www.usertrust.com, O=The USERTRUST Network, L=Salt Lake City, S=UT, C=US

Serial number:
0085299FC683D341F64CCB962ABE5F7B4F

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:Je34F/ZczvcLbGoL2aDnjGP5lSxLQiNaZIMr1Zp4U/Weqr5ExYnufj3qWMTDza:tZ8vcLbG6I5l08Zx1ope45yrjaWMTDza

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:
7.8567

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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