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setup_us.exe

Crazy Idea Development

The software will display additional offers (such as adware) during installation including a browser toolbar/extension as well as advertising injection software (part of the Injekt brand). The application setup_us.exe by Crazy Idea Development has been detected as adware by 3 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from cdn.airdlr1.com.
Publisher:
Crazy Idea Development  (signed and verified)

MD5:
4da3a99363b97a6041dd5b1bbf665e29

SHA-1:
71ac1e68bbe5945f88b96d4b2f5c928570bc8494

SHA-256:
324f5ee6911316dbe0b4fbdc798234c135caad957ce503e05c7294367b5c37ee

Scanner detections:
3 / 68

Status:
Adware

Explanation:
Injects display ads (banner ads), in-text ads, interstitial ads, or other types of ads in the web browser as well as alters the browsers settings (home page, search, DNS, and security protocols).

Analysis date:
12/24/2024 11:59:47 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen7
7.11.189.104

Malwarebytes
PUP.Optional.MobiusRadio.A
v2014.11.28.01

Reason Heuristics
PUP.Installer.CrazyIdeaDevelopment.I
14.12.11.23

File size:
4.5 MB (4,768,688 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}\setup_us.exe

Digital Signature
Signed by:
Crazy Idea Development

Authority:
VeriSign, Inc.

Valid from:
3/26/2014 7:00:00 PM

Valid to:
3/27/2015 6:59:59 PM

Subject:
CN=Crazy Idea Development, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Crazy Idea Development, L=St. James, S=St. James, C=BB

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
5881DA25860E6925AA55914B346EC9B2

File PE Metadata
Compilation timestamp:
6/6/2009 4:41:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:Re3yY2ECXJOl/E/Pju/0OsdTMECxiRmEKbJG6PaVOTviuZNMxt9:Re3EE6JOVEXjtOsdcyyGYao6uZNMxr

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:
7.9829

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://cdn.airdlr1.com/downloads/offers/.../Setup_US.exe

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