google_books_downloader.exe

Start Install

The application google_books_downloader.exe by Start Install has been detected as adware by 13 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The installer uses the InstallMonetizer platform which will donwload and install adware toolbars and other potentially unwanted software offers during setup. The file has been seen being downloaded from www.mickyfastdl.com.
Publisher:
Start Install  (signed and verified)

MD5:
bcf2fdf5e586c9855b6528e0f4330d79

SHA-1:
85aae6f1f7dbb0a06911791fcbc732a94f1296ef

SHA-256:
abebb64269235f57cba999f5babbc5be90d0a0a4a5ed9682b77aa9453f22e465

Scanner detections:
13 / 68

Status:
Adware

Explanation:
Uses the InstallMonetizer distribution platform to bundle adware.

Analysis date:
11/25/2024 1:34:06 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.186.88

avast!
InstMonetizer-BB [PUP]
141025-0

AVG
Generic
2015.0.3289

Dr.Web
Threat.Undefined
9.0.1.05190

ESET NOD32
Win32/InstallMonetizer.BC potentially unwanted application
7.0.302.0

K7 AntiVirus
Trojan
13.185.14021

Malwarebytes
PUP.Optional.SilenceInstaller.A
v2014.11.15.09

McAfee
Artemis!D941EF050346
5600.6945

NANO AntiVirus
Trojan.Win32.Generic.dgruvd
0.28.6.63362

Reason Heuristics
PUP.StartInstall.X
14.11.15.20

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.141113

VIPRE Antivirus
Threat.4150696
34232

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:czvLqEblm/pZpmD3Dq4Q4UAwAd6gGLpDUkall9ykg6p8fbJd5AgAsbJd5A8GD:cvE/pZpmD3Dq4Q4UAwAd6goUkalLykgW

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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