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setup_br.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_br.exe by Crazy Idea Development 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. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from cdn77.airdwnlds.com.
Publisher:
Crazy Idea Development  (signed and verified)

MD5:
f5a6d58422d9099c032df3d48a203690

SHA-1:
1e687009739bd8c15c903329054eaf277a829d70

SHA-256:
7e9097507178d06a810f919e186b8c14957d8ff5c6979ea89af09e9f0add74f8

Scanner detections:
1 / 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:
12/25/2024 12:42:55 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Injekt.CrazyIdeaDevelopment.Installer (M)
16.2.10.17

File size:
4.5 MB (4,768,680 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\w7opu6sa5h\setup_br.exe

Digital Signature
Signed by:
Crazy Idea Development

Authority:
VeriSign, Inc.

Valid from:
3/26/2014 8:00:00 PM

Valid to:
3/27/2015 7:59:59 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 5:41:59 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
98304:NrkYHRS6Mi5NF+LuyCBmnmVtxJ5aSrylXKI3VavsfwZiuoHNMxtZ:NrTxSKX+LuH/t9YXKI35RuGNMx/

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://cdn77.airdwnlds.com/downloads/offers/.../Setup_BR.exe

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