google_books_downloader.exe

Start Install

The application google_books_downloader.exe by Start Install 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. The file has been seen being downloaded from www.mickyfastdl.com.
Publisher:
Start Install  (signed and verified)

MD5:
90b9b90befdc7a47fa6aff7d381c4b4c

SHA-1:
3275df3cf9f8243eae90aa61c52ea907eec0cb41

SHA-256:
0ef09d0282876ceaeed69a9d350950ceffac8feceabdc97f8e571d354ad8235e

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:
12/30/2024 6:32:55 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.StartInstall (M)
16.2.16.11

File size:
564.4 KB (577,960 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
1/26/2014 7:00:00 PM

Valid to:
1/27/2015 6:59:59 PM

Subject:
CN=Start Install, O=Start Install, STREET=5655 Silver Creek Valley Road, L=San Jose, S=CA/Santa Clara, PostalCode=95138, C=US

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
4A35F3F064DE91E511E0079B2961EAAF

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:jzvLqEblm/pZpmD3Dq4Q4UAwAd6gGLpDUkall9ykg6p8fbJd5AgAsbJd5A8GI:jvE/pZpmD3Dq4Q4UAwAd6goUkalLykgF

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.7921

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

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