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microsoft_windows_7.exe

Install Lab LTD.

The application microsoft_windows_7.exe by Install Lab has been detected as adware by 8 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The setup installer will bundle multiple adware offers during download and setup (based on the user's geographical location) including toolbars, extensions and coupon utilities. The file has been seen being downloaded from www.smarterdl.com and multiple other hosts.
Publisher:
Install Lab LTD.  (signed and verified)

MD5:
7aacb4061ddd97b70d07acba4b5894d3

SHA-1:
2b22cf8e3954313cf5412c825ff8a671344c913e

SHA-256:
e119b312d125502936173e210bf34aebb88b51827c02f6d127fcb4f9932205f5

Scanner detections:
8 / 68

Status:
Adware

Explanation:
Bundles a number of adware programs in the installer.

Analysis date:
5/16/2025 5:59:13 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
APPL/CoolMirage.Gen
7.11.170.158

Comodo Security
Application.Win32.CoolMirage.AS
19403

Dr.Web
Adware.Downware.8319
9.0.1.0246

Malwarebytes
PUP.Optional.OneClickDownloader.A
v2014.09.03.06

NANO AntiVirus
Trojan.Nsis.Yotoon.deckrr
0.28.2.61942

Qihoo 360 Security
Win32/Virus.Adware.47b
1.0.0.1015

Reason Heuristics
PUP.InstallLab.T
14.9.3.6

Sophos
1 Click Downloader
4.98

File size:
362.5 KB (371,232 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\microsoft_windows_7.exe

Digital Signature
Signed by:
Install Lab LTD.

Authority:
Thawte, Inc.

Valid from:
8/24/2014 2:00:00 AM

Valid to:
10/14/2015 1:59:59 AM

Subject:
CN=Install Lab LTD., O=Install Lab LTD., L=Tel Aviv, S=Tel Aviv, C=IL

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
42F91281AFED9106E1C6980547DF3D40

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:ZsA7fvIxhsHPMTs9MkZTfuk3pw8hFynajJzVOHD58SHx4I1bapYe55:vf2mHPICLuk3GnYVmDSSRZ2KS

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file microsoft_windows_7.exe has been seen being distributed by the following 2 URLs.

https://www.smarterdl.com/.../nfs_underground_2_key.exe

https://www.smarterdl.com/.../microsoft_windows_7.exe

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