book_favorites.exe

EbizNetWorks

The application book_favorites.exe by EbizNetWorks 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 an Internet Explorer cache folder. The file has been seen being downloaded from file.nolzzang.com.
Publisher:
EbizNetWorks  (signed and verified)

MD5:
6f8734c9f40a23525501f57fc097399f

SHA-1:
8a1eb4e6f7d6f79d5a921a743b6b42b0562e29ad

SHA-256:
8295e13682f6c792a6cb668e3e6aa194ab2f7807ee8e1ed006be59275554dc9f

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:
4/24/2024 9:49:42 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.EbizNetWorks.Installer (M)
16.2.7.11

File size:
211 KB (216,064 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}\book_favorites.exe

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
10/18/2013 9:00:00 AM

Valid to:
12/18/2015 8:59:59 AM

Subject:
CN=EbizNetWorks, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=EbizNetWorks, L=Seoul, S=Gangnam-gu, C=KR

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:
3A25B96380FA4F27D650763979AE1052

File PE Metadata
Compilation timestamp:
12/6/2009 7:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:8e34DanohNXsUdRqzZYjjgKsDiKF6EuH8XNcK:Bn6xsUlgKsDiU6XEcK

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:
7.7784

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

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